From 5f53d2c33694dd362e71ad09564247b18599b23a Mon Sep 17 00:00:00 2001
From: Steve <steve@copeland-bowen.com>
Date: Fri, 24 Jan 2025 16:41:39 +0000
Subject: [PATCH] Split out Holdings tab code into SharePrices_Holdings.js,
 added variable fetch timing

---
 Websites/SharePrices/.vs/SharePrices/v17/.suo | Bin 26624 -> 26624 bytes
 .../SharePrices/SharePrices/SharePrices.aspx  |  46 +-
 .../SharePrices/SharePrices.vbproj            |   3 +
 .../DesignTimeResolveAssemblyReferences.cache | Bin 0 -> 132 bytes
 .../SharePrices/scripts/SharePrices.js        | 789 +++---------------
 .../SharePrices/scripts/SharePrices_Common.js |  49 ++
 .../scripts/SharePrices_Holdings.js           | 591 +++++++++++++
 7 files changed, 779 insertions(+), 699 deletions(-)
 create mode 100644 Websites/SharePrices/SharePrices/obj/Debug/DesignTimeResolveAssemblyReferences.cache
 create mode 100644 Websites/SharePrices/SharePrices/scripts/SharePrices_Holdings.js

diff --git a/Websites/SharePrices/.vs/SharePrices/v17/.suo b/Websites/SharePrices/.vs/SharePrices/v17/.suo
index d26668a9acc135899f534730d83656e7be5a8be1..d7709a5a44ea886932e6334f113555a1811d58b4 100644
GIT binary patch
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diff --git a/Websites/SharePrices/SharePrices/SharePrices.aspx b/Websites/SharePrices/SharePrices/SharePrices.aspx
index 1ed237a..62fccfd 100644
--- a/Websites/SharePrices/SharePrices/SharePrices.aspx
+++ b/Websites/SharePrices/SharePrices/SharePrices.aspx
@@ -141,6 +141,30 @@
   <div id="chartTooltip" class="chart-tooltip"></div>
   <script>
     let importedFunctions = {};
+    function logInfo(msg) {
+      console.info(msg);
+      if (typeof msg == 'object') {
+        $("#logDiv").css("font-color", "white").text(JSON.stringify(msg));
+      } else {
+        $("#logDiv").css("font-color", "white").text(msg);
+      }
+    }
+    function logWarning(msg) {
+      console.warn(msg);
+      if (typeof msg == 'object') {
+        $("#logDiv").css("font-color", "orange").text(JSON.stringify(msg));
+      } else {
+        $("#logDiv").css("font-color", "orange").text(msg);
+      }
+    }
+    function logError(msg) {
+      console.error(msg);
+      if (typeof msg == 'object') {
+        $("#logDiv").css("font-color", "red").text(JSON.stringify(msg));
+      } else {
+        $("#logDiv").css("font-color", "red").text(msg);
+      }
+    }
     function showTab(tab) {
       //$('.navbar>a').removeClass('activenav');
       $('.navbar').find('.activenav').removeClass('activenav');
@@ -161,11 +185,11 @@
           redrawAllSharesCharts();
           break;*/
         case 'displayAsPercent':
-          redrawAllSharesCharts();
+          importedFunctions.redrawAllSharesCharts();
           break;
         case 'excludeNoHoldings':
-          createSharesTable();
-          redrawAllSharesCharts();
+          importedFunctions.createSharesTable();
+          importedFunctions.redrawAllSharesCharts();
           break;
         /*case 'showPreviousHoldings':
           redrawAllSharesCharts();
@@ -182,12 +206,24 @@
     }
   </script>
   <script type="module">
-    import { getInstruments, refreshHistoryChart, showModalDialog_AddInstrument, showModalDialog_AddHolding, showModalDialog_FullScreenChart, showModalDialog_SoldHolding } from "./scripts/SharePrices.js";
+    import {
+      createSharesTable,
+      getInstruments,
+      redrawAllSharesCharts,
+      refreshHistoryChart,
+      showModalDialog_AddInstrument,
+      showModalDialog_AddHolding,
+      showModalDialog_FullScreenChart,
+      showModalDialog_SoldHolding
+    } from "./scripts/SharePrices.js";
     importedFunctions = {
+      createSharesTable: createSharesTable,
+      getInstruments: getInstruments,
+      redrawAllSharesCharts: redrawAllSharesCharts,
+      refreshHistoryChart: refreshHistoryChart,
       showModalDialog_AddInstrument: showModalDialog_AddInstrument,
       showModalDialog_AddHolding: showModalDialog_AddHolding,
       showModalDialog_FullScreenChart: showModalDialog_FullScreenChart,
-      refreshHistoryChart: refreshHistoryChart,
       showModalDialog_SoldHolding: showModalDialog_SoldHolding
     }
 
diff --git a/Websites/SharePrices/SharePrices/SharePrices.vbproj b/Websites/SharePrices/SharePrices/SharePrices.vbproj
index db24aad..99e8bca 100644
--- a/Websites/SharePrices/SharePrices/SharePrices.vbproj
+++ b/Websites/SharePrices/SharePrices/SharePrices.vbproj
@@ -20,6 +20,8 @@
     <IISExpressAnonymousAuthentication />
     <IISExpressWindowsAuthentication />
     <IISExpressUseClassicPipelineMode />
+    <Use64BitIISExpress />
+    <UseGlobalApplicationHostFile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -259,6 +261,7 @@
     <Content Include="scripts\js.cookie-2.2.1.min.js" />
     <Content Include="scripts\SharePrices.js" />
     <Content Include="scripts\SharePrices_Charts.js" />
+    <Content Include="scripts\SharePrices_Holdings.js" />
     <Content Include="scripts\tablesorter\dragtable.mod.css" />
     <Content Include="scripts\tablesorter\filter.formatter.css" />
     <Content Include="scripts\tablesorter\highlights.css" />
diff --git a/Websites/SharePrices/SharePrices/obj/Debug/DesignTimeResolveAssemblyReferences.cache b/Websites/SharePrices/SharePrices/obj/Debug/DesignTimeResolveAssemblyReferences.cache
new file mode 100644
index 0000000000000000000000000000000000000000..edfba393b5ad7e16daaa8e7c0e480a914f73aa5d
GIT binary patch
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diff --git a/Websites/SharePrices/SharePrices/scripts/SharePrices.js b/Websites/SharePrices/SharePrices/scripts/SharePrices.js
index 0a2e63e..810ae62 100644
--- a/Websites/SharePrices/SharePrices/scripts/SharePrices.js
+++ b/Websites/SharePrices/SharePrices/scripts/SharePrices.js
@@ -1,21 +1,35 @@
 // @ts-check
 
-import {generateAxisBreaks, getProfitOrLoss, timespans} from "./SharePrices_Common.js";
+import {formatAmount, generateAxisBreaks, getProfitOrLoss, timespans} from "./SharePrices_Common.js";
 import {createLongChart, createMidChart, createShortChart, createSingleDayChart, createChart_Flot, 
         createChart, createFullScreenChart, createFullScreenChart_Flot, createFullScreenComparisonChart, 
-        createFullScreenComparisonChart_Flot} from "./SharePrices_Charts.js";
-
+  createFullScreenComparisonChart_Flot
+} from "./SharePrices_Charts.js";
+import {createHoldingsTable} from "./SharePrices_Holdings.js";
 
 'use strict';
 
+var vars = {
+  fetchTiming: {
+    fetchIntervalDaily: 12 * timespans.oneHour,
+    fetchIntervalIntraday: 4 * timespans.oneHour,
+    fetchIntervalSingleDay: 2 * timespans.oneMinute,
+    lastSuccessfulFetch: new Date(0),
+    lastFetchStartTime: new Date(0),
+    lastFetchDuration: 0,
+    fetchTimer: 0,
+    displayTimings: false
+  },
+  lastTotalHoldingsValue: 0, //The last total holdings value successfully set in the database
+  initialPageTitle: '',
+  previousDay: 0,
+  previousClose: 0,
+  previousWeek: 0,
+  previousWeekClose:0
+}
+
 //var timespans = { oneSecond: 1000, oneMinute: 60 * 1000, oneHour: 60 * 60 * 1000, oneDay: 24 * 60 * 60 * 1000, oneWeek: 7 * 24 * 60 * 60 * 1000, oneMonth: 31 * 24 * 60 * 60 * 1000 };
-var fetchIntervalDaily = 12 * timespans.oneHour;
-var fetchIntervalIntraday = 4 * timespans.oneHour;
-var fetchIntervalSingleDay = 2 * timespans.oneMinute;
-var initialPageTitle;
-var fetchTimer = 0;
-var lastSuccessfulFetch;
-var lastTotalHoldingsValue = 0; //The last total holdings value successfully set in the database
+//var lastSuccessfulFetch;
 var currencyFormatter = new Intl.NumberFormat('en-GB', { style: 'currency', currency: 'GBP' });
 var instrumentSearchResults = [];
 var tablesUpdateTimings = { lastUpdate: 0, timeBetweenUpdates: 10000, timer: 0, updateNeeded: true };
@@ -90,13 +104,13 @@ var Instruments = {
   },
   GetLastFetchedDaily: function () {
     //if (!this.Data[0].lastFetchedDaily) { this.Data[0].lastFetchedDaily = this.Data[0].MaxDailyDate };
-    if (!this.Data[0].lastFetchedDaily) { this.Data[0].lastFetchedDaily = new Date().getTime() - fetchIntervalDaily + (4 * timespans.oneMinute) };
+    if (!this.Data[0].lastFetchedDaily) { this.Data[0].lastFetchedDaily = new Date().getTime() - vars.fetchTiming.fetchIntervalDaily + (4 * timespans.oneMinute) };
     let lastFetchedDate = this.Data[0].lastFetchedDaily;
     let lastFetchedIndex = 0;
     for (let i = 1; i < this.Data.length; i++) {
       if (this.Data[i].Symbol != 'GBP' && this.Data[i].Symbol != 'GBp') {
         //if (!this.Data[i].lastFetchedDaily) { this.Data[i].lastFetchedDaily = this.Data[i].MaxDailyDate };
-        if (!this.Data[i].lastFetchedDaily) { this.Data[i].lastFetchedDaily = new Date().getTime() - fetchIntervalDaily + (4 * timespans.oneMinute) };
+        if (!this.Data[i].lastFetchedDaily) { this.Data[i].lastFetchedDaily = new Date().getTime() - vars.fetchTiming.fetchIntervalDaily + (4 * timespans.oneMinute) };
         if (lastFetchedDate > this.Data[i].lastFetchedDaily) {
           lastFetchedDate = this.Data[i].lastFetchedDaily;
           lastFetchedIndex = i;
@@ -108,13 +122,13 @@ var Instruments = {
   },
   GetLastFetchedIntraday: function () {
     //if (!this.Data[0].lastFetchedIntraday) { this.Data[0].lastFetchedIntraday = this.Data[0].MaxIntradayDate };
-    if (!this.Data[0].lastFetchedIntraday) { this.Data[0].lastFetchedIntraday = new Date().getTime() - fetchIntervalIntraday + (2 * timespans.oneMinute) };
+    if (!this.Data[0].lastFetchedIntraday) { this.Data[0].lastFetchedIntraday = new Date().getTime() - vars.fetchTiming.fetchIntervalIntraday + (2 * timespans.oneMinute) };
     let lastFetchedDate = this.Data[0].lastFetchedIntraday;
     let lastFetchedIndex = 0;
     for (let i = 1; i < this.Data.length; i++) {
       if (this.Data[i].Symbol != 'GBP' && this.Data[i].Symbol != 'GBp') {
         //if (!this.Data[i].lastFetchedIntraday) { this.Data[i].lastFetchedIntraday = this.Data[i].MaxIntradayDate };
-        if (!this.Data[i].lastFetchedIntraday) { this.Data[i].lastFetchedIntraday = new Date().getTime() - fetchIntervalIntraday + (2 * timespans.oneMinute) };
+        if (!this.Data[i].lastFetchedIntraday) { this.Data[i].lastFetchedIntraday = new Date().getTime() - vars.fetchTiming.fetchIntervalIntraday + (2 * timespans.oneMinute) };
         if (lastFetchedDate > this.Data[i].lastFetchedIntraday) {
           lastFetchedDate = this.Data[i].lastFetchedIntraday;
           lastFetchedIndex = i;
@@ -222,7 +236,6 @@ var Currencies = {
     }
   }
 }
-var previousDay, previousClose, previousWeek, previousWeekClose;
 
 Date.prototype.yyyymmddhhmmss = function () {
   var yyyy = this.getFullYear().toString();
@@ -285,78 +298,6 @@ Number.prototype.autoScale = function () {
   }
 };
 
-function logInfo(msg) {
-  console.info(msg);
-  if (typeof msg == 'object') {
-    $("#logDiv").css("font-color", "white").text(JSON.stringify(msg));
-  } else {
-    $("#logDiv").css("font-color", "white").text(msg);
-  }
-}
-function logWarning(msg) {
-  console.warn(msg);
-  if (typeof msg == 'object') {
-    $("#logDiv").css("font-color", "orange").text(JSON.stringify(msg));
-  } else {
-    $("#logDiv").css("font-color", "orange").text(msg);
-  }
-}
-function logError(msg) {
-  console.error(msg);
-  if (typeof msg == 'object') {
-    $("#logDiv").css("font-color", "red").text(JSON.stringify(msg));
-  } else {
-    $("#logDiv").css("font-color", "red").text(msg);
-  }
-}
-function formatAmount(amount, currency, decimals) {
-  if (amount) {
-    let isNegative = (amount < 0);
-    let s = Math.abs(amount).toFixed(decimals);
-    if (Math.abs(amount) < 0.01) {
-      s = Math.abs(amount).toPrecision(2);
-    }
-    let pos = s.indexOf('.');
-    let wholeNumber = (pos >= 0) ? s.substring(0, pos) : s;
-    let decimal = (pos >= 0) ? s.substring(pos) : '';
-    s = '';
-    while (wholeNumber.length > 0) {
-      //if (s.length > 0 && wholeNumber!='-') s = ',' + s; //Don't add a comma if the only thing left to add to the string is the minus sign
-      if (s.length > 0) s = ',' + s;
-      if (wholeNumber.length >= 3) {
-        s = wholeNumber.substring(wholeNumber.length - 3) + s;
-        wholeNumber = wholeNumber.substring(0, wholeNumber.length - 3);
-      } else {
-        s = wholeNumber + s;
-        wholeNumber = '';
-      }
-    }
-    s = s + decimal;
-    let sign = isNegative ? '-' : '';
-    switch (currency) {
-      case 'GBP':
-        s = sign + '£' + s;
-        break;
-      case 'GBp':
-        s = sign + s + 'p';
-        break;
-      case 'USD':
-        s = sign + 'U$' + s;
-        break;
-      case 'AUD':
-        s = sign + 'A$' + s;
-        break;
-      case 'EUR':
-        s = sign + '€' + s;
-        break;
-      default:
-        s = sign + currency + s;
-    }
-    return s;
-  } else {
-    return '';
-  }
-}
 /*function getProfitOrLoss(BasePrice, CurrentPrice, ShowPercent) {
   //let priceMovement = (CurrentPrice - BasePrice).toFixed(2);
   let priceMovement = (CurrentPrice - BasePrice).autoDP();
@@ -364,35 +305,12 @@ function formatAmount(amount, currency, decimals) {
   if (percentMovement[0] == '-') percentMovement = percentMovement.substring(1);
   return '<span class="' + (CurrentPrice < BasePrice ? 'loss' : 'profit') + '">' + (CurrentPrice < BasePrice ? '' : '+') + priceMovement + (ShowPercent ? ' (' + percentMovement + ')' : '') + '</span>';
 }*/
-function createCategoryAggregator() {
-  let aggregator = {
-    data: [],
-    indexOfCategory: function (categoryName) { return this.data.map(function (item) { return item.categoryName; }).indexOf(categoryName); },
-    getCategory: function (categoryName) { return this.data[this.indexOfCategory(categoryName)]; },
-    addCategoryAmount: function (categoryName, amount) {
-      let c = this.getCategory(categoryName);
-      if (c) {
-        c.total += amount;
-      } else {
-        this.data.push({ categoryName: categoryName, total: amount });
-      }
-    },
-    getChartData: function () {
-      let d = []
-      for (let i = 0; i < this.data.length; i++) {
-        d.push({ label: this.data[i].categoryName, data: this.data[i].total });
-      }
-      return d;
-    }
-  };
-  return aggregator;
-}
 
 export function getInstruments() {
   try {
     //logInfo('getInstruments()');
-    initialPageTitle = document.title;
-    if (fetchTimer != 0) { clearTimeout(fetchTimer) };
+    vars.initialPageTitle = document.title;
+    if (vars.fetchTiming.fetchTimer != 0) { clearTimeout(vars.fetchTiming.fetchTimer) };
     indexMarquee.init($('#divIndexMarquee'), '&emsp;');
     $.ajax({
       type: "POST",
@@ -436,7 +354,7 @@ export function getInstruments() {
   }
 };
 
-function createSharesTable() {
+export function createSharesTable() {
   try {
     let excludeNoHoldings = $('#excludeNoHoldings').prop('checked');
     //logInfo('createSharesTable()');
@@ -649,27 +567,45 @@ function getNewRemoteData() {
 
     //logInfo(new Date().yyyymmddhhmmss() + ": getNewRemoteData()")
 
+    let nothingToFetch = false;
     let lastFetchedDailyInstrument = Instruments.GetLastFetchedDaily();
-    if (lastFetchedDailyInstrument.lastFetchedDaily < (new Date().getTime() - fetchIntervalDaily)) {
+    if (lastFetchedDailyInstrument.lastFetchedDaily < (new Date().getTime() - vars.fetchTiming.fetchIntervalDaily)) {
       //logInfo(new Date().yyyymmddhhmmss() + ": Last fetched daily: " + lastFetchedDailyInstrument.Symbol + ", Last fetched date: " + new Date(lastFetchedDailyInstrument.lastFetchedDaily).yyyymmddhhmmss());
       getYahooDailyData(lastFetchedDailyInstrument);
     } else {
       let lastFetchedIntradayInstrument = Instruments.GetLastFetchedIntraday();
-      if (lastFetchedIntradayInstrument.lastFetchedIntraday < (new Date().getTime() - fetchIntervalIntraday)) {
+      if (lastFetchedIntradayInstrument.lastFetchedIntraday < (new Date().getTime() - vars.fetchTiming.fetchIntervalIntraday)) {
         //logInfo(new Date().yyyymmddhhmmss() + ": Last fetched intraday: " + lastFetchedIntradayInstrument.Symbol + ", Last fetched date: " + new Date(lastFetchedIntradayInstrument.lastFetchedIntraday).yyyymmddhhmmss());
         getYahooIntradayData(lastFetchedIntradayInstrument);
       } else {
         let lastFetchedSingleDayInstrument = Instruments.GetLastFetchedSingleDay();
-        if (lastFetchedSingleDayInstrument.lastFetchedSingleDay < (new Date().getTime() - fetchIntervalSingleDay)) {
+        if (lastFetchedSingleDayInstrument.lastFetchedSingleDay < (new Date().getTime() - vars.fetchTiming.fetchIntervalSingleDay)) {
           //logInfo(new Date().yyyymmddhhmmss() + ": Last fetched single day: " + lastFetchedSingleDayInstrument.Symbol + ", Last fetched date: " + new Date(lastFetchedSingleDayInstrument.lastFetchedSingleDay).yyyymmddhhmmss());
           getYahooSingleDayData(lastFetchedSingleDayInstrument);
-        } //else {
+        } else {
           //fetchInterval = 3000;
           //fetchTimer = setTimeout(getNewRemoteData, fetchInterval);
-        //}
+          nothingToFetch = true;
+        }
       }
     }
+
+    var nextFetchDelay = 5000;
+    if (!nothingToFetch) {
+      nextFetchDelay = vars.fetchTiming.lastFetchDuration + 100;
+    }
+    if (vars.fetchTiming.displayTimings) {
+      console.info({
+        msg: 'Fetch timing info',
+        currentTime: (new Date()).yyyymmddhhmmss(),
+        nothingToFetch: nothingToFetch,
+        lastFetchDuration: vars.fetchTiming.lastFetchDuration,
+        nextFetchDelay: nextFetchDelay
+      });
+    }
+    vars.fetchTiming.fetchTimer = setTimeout(getNewRemoteData, nextFetchDelay);
   } catch (err) {
+    vars.fetchTiming.fetchTimer = setTimeout(getNewRemoteData, 15000);
     logError({ MSG: "Error in getNewRemoteData", err: err });
   }
 }
@@ -733,17 +669,21 @@ function getAllLocalIntradayData() {
           }
         }
         //fetchTimer = setTimeout(getNewRemoteData, 500);
-        //fetchTimer = setInterval(getNewRemoteData, 1250);
-        fetchTimer = setInterval(getNewRemoteData, 1000);
+        //vars.fetchTiming.fetchTimer = setInterval(getNewRemoteData, 1000);
+        vars.fetchTiming.fetchTimer = setTimeout(getNewRemoteData, 200);
       },
-      failure: function (response) { console.error("getYTDData error:"); console.info(response); }
+      failure: function (response) {
+        vars.fetchTiming.fetchTimer = setTimeout(getNewRemoteData, 5000);
+        console.error("getYTDData error:");
+        console.info(response);
+      }
     });
   } catch (err) {
     logError({ MSG: "Error in getAllLocalIntradayData", err: err });
   }
 }
 
-function redrawAllSharesCharts() {
+export function redrawAllSharesCharts() {
   let excludeNoHoldings = $('#excludeNoHoldings').prop('checked');
   for (let n = 0; n < Instruments.Data.length; n++) {
     let i = Instruments.Data[n];
@@ -770,6 +710,7 @@ function fixDecimals(val, place) {
 function getYahooDailyData(Instrument) {
   //console.info('getYahooDailyData: ' + Instrument.Symbol);
   Instrument.lastFetchedDaily = new Date().getTime();
+  vars.fetchTiming.lastFetchStartTime = new Date().getTime();
   $.ajax({
     type: "POST",
     contentType: "application/json",
@@ -777,6 +718,7 @@ function getYahooDailyData(Instrument) {
     dataType: "json",
     data: JSON.stringify({ Symbol: Instrument.Symbol, MinDailyDT: (Instrument.DailyData.length ? Instrument.DailyData[0].DT: new Date().getTime()) }),
     success: function (response) {
+      vars.fetchTiming.lastFetchDuration = (new Date().getTime()) - vars.fetchTiming.lastFetchStartTime;
       let newData = [];
       if (response.chart && response.chart.result) {
         let dataSeries = response.chart.result[0];
@@ -817,7 +759,8 @@ function getYahooDailyData(Instrument) {
         //console.info("getYahooDailyData: " + Instrument.Symbol + ', Last data point: ' + d);
 
         if (newData.length > 0) {
-          lastSuccessfulFetch = new Date();
+          vars.fetchTiming.lastSuccessfulFetch = new Date();
+          vars.fetchTiming.lastSuccessfulFetchDuration = (new Date()) - vars.fetchTiming.lastSuccessfulFetchStartTime;
         }
 
         submitNewDailyData(Instrument, newData);
@@ -828,13 +771,18 @@ function getYahooDailyData(Instrument) {
         logWarning({ MSG: "No data received for symbol: " + Instrument.Symbol, response: response })
       }
     },
-    failure: function (response) { console.error("getYahooDailyData error:"); console.info(response); }
+    failure: function (response) {
+      vars.fetchTiming.lastFetchDuration = (new Date().getTime()) - vars.fetchTiming.lastFetchStartTime;
+      console.error("getYahooDailyData error:");
+      console.info(response);
+    }
   });
 }
 function getYahooIntradayData(Instrument) {
   //console.info('getYahooIntradayData: ' + Instrument.Symbol);
   Instrument.lastFetchedIntraday = new Date().getTime();
   let minIntradayDT = Instrument.IntradayData.length > 0 ? Instrument.IntradayData[0].DT : new Date().getTime();
+  vars.fetchTiming.lastFetchStartTime = new Date().getTime();
   $.ajax({
     type: "POST",
     contentType: "application/json",
@@ -842,6 +790,7 @@ function getYahooIntradayData(Instrument) {
     dataType: "json",
     data: JSON.stringify({ Symbol: Instrument.Symbol, MinIntradayDT: minIntradayDT }),
     success: function (response) {
+      vars.fetchTiming.lastFetchDuration = (new Date().getTime()) - vars.fetchTiming.lastFetchStartTime;
       let newData = [];
       if (response.chart && response.chart.result) {
         let dataSeries = response.chart.result[0];
@@ -874,7 +823,7 @@ function getYahooIntradayData(Instrument) {
             //console.warn("Didn't submit " + nonSubmittedEntries.toString() + " entries (" + newData.length.toString() + " OK) with null values for " + Instrument.Symbol);
           }
           if (newData.length) {
-            lastSuccessfulFetch = new Date();
+            vars.fetchTiming.lastSuccessfulFetch = new Date();
             submitNewIntradayData(Instrument, newData);
             createMidChart(Instrument);
             createShortChart(Instrument);
@@ -889,12 +838,17 @@ function getYahooIntradayData(Instrument) {
         logWarning({ MSG: "No data received for symbol: " + Instrument.Symbol, response: response });
       }
     },
-    failure: function (response) { console.error("getYahooIntradayData error:"); console.info(response); }
+    failure: function (response) {
+      vars.fetchTiming.lastFetchDuration = (new Date().getTime()) - vars.fetchTiming.lastFetchStartTime;
+      console.error("getYahooIntradayData error:");
+      console.info(response);
+    }
   });  
 }
 function getYahooSingleDayData(Instrument) {
   //console.info('getYahooSingleDayData: ' + Instrument.Symbol);
   Instrument.lastFetchedSingleDay = new Date().getTime();
+  vars.fetchTiming.lastFetchStartTime = new Date().getTime();
   $.ajax({
     type: "POST",
     contentType: "application/json",
@@ -902,6 +856,7 @@ function getYahooSingleDayData(Instrument) {
     dataType: "json",
     data: JSON.stringify({ Symbol: Instrument.Symbol }),
     success: function (response) {
+      vars.fetchTiming.lastFetchDuration = (new Date().getTime()) - vars.fetchTiming.lastFetchStartTime;
       let newData = [];
       if (response.chart && response.chart.result) {
         let dataSeries = response.chart.result[0];
@@ -930,7 +885,7 @@ function getYahooSingleDayData(Instrument) {
             //console.warn("Ignored " + ignoredEntries.toString() + " entries (" + newData.length.toString() + " OK) with null values for " + Instrument.Symbol);
           }
           if (newData.length > 0) {
-            lastSuccessfulFetch = new Date();
+            vars.fetchTiming.lastSuccessfulFetch = new Date();
           }
 
           if (!Instrument.SingleDayData || Instrument.SingleDayData[0].DT != newData[0].DT || newData.length > Instrument.SingleDayData.length) {
@@ -960,7 +915,11 @@ function getYahooSingleDayData(Instrument) {
         logWarning({ MSG: "No data received for symbol: " + Instrument.Symbol, response: response });
       }
     },
-    failure: function (response) { console.error("getYahooSingleDayData error:"); console.info(response); }
+    failure: function (response) {
+      vars.fetchTiming.lastFetchDuration = (new Date().getTime()) - vars.fetchTiming.lastFetchStartTime;
+      console.error("getYahooSingleDayData error:");
+      console.info(response);
+    }
   });
 }
 function getLseSingleDayData(Instrument) {
@@ -968,6 +927,7 @@ function getLseSingleDayData(Instrument) {
   Instrument.lastFetchedSingleDay = new Date().getTime();
   let fromDate = new Date().setHours(0, 0, 0);
   let toDate = new Date().getTime();
+  vars.fetchTiming.lastFetchStartTime = new Date().getTime();
   $.ajax({
     type: "POST",
     contentType: "application/json",
@@ -975,10 +935,15 @@ function getLseSingleDayData(Instrument) {
     dataType: "json",
     data: JSON.stringify({ Symbol: Instrument.Symbol, FromDate: fromDate, ToDate: toDate }),
     success: function (response) {
+      vars.fetchTiming.lastFetchDuration = (new Date().getTime()) - vars.fetchTiming.lastFetchStartTime;
       console.info("getLseSingleDayData: " + JSON.stringify(response));
       
     },
-    failure: function (response) { console.error("getLseSingleDayData error:"); console.info(response); }
+    failure: function (response) {
+      vars.fetchTiming.lastFetchDuration = (new Date().getTime()) - vars.fetchTiming.lastFetchStartTime;
+      console.error("getLseSingleDayData error:");
+      console.info(response);
+    }
   });
 }
 
@@ -1088,7 +1053,7 @@ function updateTables() {
   if (tablesUpdateTimings.updateNeeded && tablesUpdateTimings.lastUpdate + tablesUpdateTimings.timeBetweenUpdates < new Date().getTime()) {
     tablesUpdateTimings.lastUpdate = new Date().getTime();
     
-    createHoldingsTable();
+    createHoldingsTable(Instruments, vars);
     createAccountsTables();
     createAnalysisTable();
     createIndexMarquee();
@@ -1096,570 +1061,6 @@ function updateTables() {
   }
 }
 
-function createHoldingsTable() {
-  function getHoldings() {
-    function aggregateHoldings(i) {
-      let aggUnits = 0;
-      let aggBookCost = 0;
-      let aggBookCostGBP = 0;
-      let minPurchaseData = new Date().getTime();
-      let maxPurchaseDate = 0;
-      let marketIsOpen = Instruments.MarketIsOpen(i);
-      let exchangeRate = Instruments.GetExchangeRate(i.Currency, 'GBP');
-      let accountNames = [];
-      let aggSingleDayGainGBP = 0;
-
-      for (let hn = 0; hn < i.Holdings.length; hn++) {
-        let h = i.Holdings[hn];
-
-        if (h.SoldDate == null && h.NoUnits != 0) {
-          aggUnits += h.NoUnits;
-          aggBookCost += h.NoUnits * h.PurchasePricePerUnit;
-          //aggBookCostGBP += h.NoUnits * h.PurchasePricePerUnit / exchangeRate;
-          aggBookCostGBP += h.BookCostGBP;
-          //bookCostPerAccount.addCategoryAmount(h.AccountName, (h.NoUnits * h.PurchasePricePerUnit) / exchangeRate);
-          bookCostPerAccount.addCategoryAmount(h.AccountName, h.BookCostGBP);
-
-          if (h.PurchaseDate < minPurchaseData) { minPurchaseData = h.PurchaseDate; }
-          if (h.PurchaseDate > maxPurchaseDate) { maxPurchaseDate = h.PurchaseDate; }
-          if (!accountNames.includes(h.AccountName)) { accountNames.push(h.AccountName); }
-
-          if (i.CurrentPrice && exchangeRate) {
-            aggSingleDayGainGBP += ((i.CurrentPrice - (h.PurchaseDate > i.SingleDayStartDate ? h.PurchasePricePerUnit : i.SingleDayPreviousClose)) * h.NoUnits) / exchangeRate;
-            currentValuePerAccount.addCategoryAmount(h.AccountName, (h.NoUnits * i.CurrentPrice) / exchangeRate);
-          }
-        }
-      }
-
-      let aggPurchasePricePerUnit = aggBookCost / aggUnits;
-      let aggCurrentValue = 0,
-        aggCurrentValueGBP = 0,
-        aggGainGBP = 0,
-        aggSingleDayGainPercent = 0,
-        aggSingleDayProfitOrLoss = 0;
-      if (i.CurrentPrice) {
-        aggCurrentValue = aggUnits * (i.Currency == 'GBp' ? i.CurrentPrice / 100 : i.CurrentPrice);
-        if (exchangeRate) {
-          aggCurrentValueGBP = (aggUnits * i.CurrentPrice) / exchangeRate;
-          //aggGainGBP = ((i.CurrentPrice - aggPurchasePricePerUnit) * aggUnits) / exchangeRate;
-          aggGainGBP = aggCurrentValueGBP - aggBookCostGBP;
-          aggSingleDayGainPercent = ((i.CurrentPrice / i.SingleDayPreviousClose) - 1) * 100;
-          aggSingleDayProfitOrLoss = aggSingleDayGainGBP < 0 ? 'loss' : 'profit';
-        }
-      }
-
-      return {
-        displayOrder: i.DisplayOrder,
-        holdingNumber: 0,
-        instrumentType: i.InstrumentType,
-        instrumentName: i.InstrumentName,
-        displayName: i.DisplayName,
-        symbol: i.Symbol,
-        currency: i.Currency,
-        accountName: accountNames.length > 1 ? 'Multiple (' + accountNames.length + ')' : accountNames[0],
-        accountNames: accountNames.length > 1 ? accountNames.join(', ') : '',
-        purchaseDateMin: minPurchaseData,
-        purchaseDateMax: maxPurchaseDate,
-        noUnits: aggUnits,
-        purchasePricePerUnit: aggPurchasePricePerUnit,
-        bookCost: aggBookCost,
-        bookCostGBP: aggBookCostGBP,
-        currentValue: aggCurrentValue,
-        gain: (i.Currency == 'GBp' ? (i.CurrentPrice - aggPurchasePricePerUnit) / 100 : (i.CurrentPrice - aggPurchasePricePerUnit)) * aggUnits,
-        //gainPercent: (i.CurrentPrice - aggPurchasePricePerUnit) / aggPurchasePricePerUnit * 100,
-        gainPercent: aggGainGBP / aggBookCostGBP * 100,
-        currentValueGBP: aggCurrentValueGBP,
-        gainGBP: aggGainGBP,
-        singleDayGainGBP: aggSingleDayGainGBP,
-        singleDayGainPercent: aggSingleDayGainPercent,
-        singleDayProfitOrLoss: aggSingleDayProfitOrLoss,
-        currentPrice: i.CurrentPrice,
-        currentExchangeRate: exchangeRate,
-        marketIsOpen: marketIsOpen
-      };
-    }
-
-    //Create a structure to summarise total holdings in each currency, to be used in the pie chart
-    let holdingCurrencies = {
-      data: [],
-      indexOfHoldingCurrency: function (symbol) { return this.data.map(function (item) { return item.symbol; }).indexOf(symbol); },
-      getHoldingCurrency: function (symbol) { return this.data[this.indexOfHoldingCurrency(symbol)]; },
-      addHoldingCurrency: function (symbol, amount) {
-        let c = this.getHoldingCurrency(symbol);
-        if (c) {
-          c.total += amount;
-        } else {
-          this.data.push({ symbol: symbol, total: amount });
-        }
-      },
-      getChartData: function () {
-        let d = []
-        for (let i = 0; i < this.data.length; i++) {
-          //d.push({ label: this.data[i].symbol, data: this.data[i].total / Instruments.GetExchangeRate(this.data[i].symbol, 'GBP') });
-          d.push({ label: this.data[i].symbol, data: this.data[i].total });
-        }
-        return d;
-      }
-    };
-    let holdingCurrenciesCurrentValue = {
-      data: [],
-      indexOfHoldingCurrency: function (symbol) { return this.data.map(function (item) { return item.symbol; }).indexOf(symbol); },
-      getHoldingCurrency: function (symbol) { return this.data[this.indexOfHoldingCurrency(symbol)]; },
-      addHoldingCurrency: function (symbol, amount) {
-        let c = this.getHoldingCurrency(symbol);
-        if (c) {
-          c.total += amount;
-        } else {
-          this.data.push({ symbol: symbol, total: amount });
-        }
-      },
-      getChartData: function () {
-        let d = []
-        for (let i = 0; i < this.data.length; i++) {
-          d.push({ label: this.data[i].symbol, data: this.data[i].total / Instruments.GetExchangeRate(this.data[i].symbol, 'GBP') });
-        }
-        return d;
-      }
-    };
-    let bookCostPerAccount = createCategoryAggregator();
-    let currentValuePerAccount = createCategoryAggregator();
-    let totalHoldingsValueGBP = 0;
-    let totalBookCostGBP = 0;
-    let totalValueGBP = 0;
-    let totalGainGBP = 0;
-    let todaysGainGBP = 0;
-    let maxCurrentValueGBP = 0;
-    let groupHoldings = $('#groupBySymbol').prop('checked');
-    let r = [];
-    let w = []; //Watchlist (instruments with no current holdings)
-
-    for (let n = 0; n < Instruments.Data.length; n++) {
-      let i = Instruments.Data[n];
-      //if (i.InstrumentType == 'EQUITY') {
-      if (i.InstrumentType == 'EQUITY' || i.InstrumentType == 'ETF' || i.InstrumentType == 'CRYPTOCURRENCY' || i.InstrumentType == 'CURRENCY') {
-        //if (i.CurrentPrice) {
-        if (groupHoldings) {
-          let agg = aggregateHoldings(i);
-          if (agg.noUnits > 0) {
-            r.push(agg);
-
-            //holdingCurrencies.addHoldingCurrency(i.Currency, agg.noUnits * agg.purchasePricePerUnit);
-            //holdingCurrencies.addHoldingCurrency(i.Currency.toUpperCase(), agg.noUnits * agg.purchasePricePerUnit / (i.Currency == "GBp" ? 100 : 1));
-            holdingCurrencies.addHoldingCurrency(i.Currency.toUpperCase(), agg.bookCostGBP);
-            if (i.CurrentPrice) {
-              if (agg.currentValueGBP > maxCurrentValueGBP) { maxCurrentValueGBP = agg.currentValueGBP };
-              //holdingCurrenciesCurrentValue.addHoldingCurrency(i.Currency, agg.noUnits * i.CurrentPrice);
-              holdingCurrenciesCurrentValue.addHoldingCurrency(i.Currency.toUpperCase(), agg.noUnits * i.CurrentPrice / (i.Currency == "GBp" ? 100 : 1));
-              if (agg.currentExchangeRate) {
-                totalBookCostGBP += agg.bookCostGBP;
-                totalValueGBP += agg.currentValueGBP;
-                totalGainGBP += agg.gainGBP;
-                todaysGainGBP += (agg.marketIsOpen == 0 ? 0 : agg.singleDayGainGBP);
-              }
-            }
-          } else {
-            //No current holdings for this instrument - add it to the watchlist
-            if (i.WatchlistID) {
-              w.push(i);
-            }
-          }
-        } else {
-          let marketIsOpen = Instruments.MarketIsOpen(i);
-          let exchangeRate = Instruments.GetExchangeRate(i.Currency, 'GBP');
-
-          let noCurrentHoldings = 0;
-          for (let hn = 0; hn < i.Holdings.length; hn++) {
-            let h = i.Holdings[hn];
-            if (h.SoldDate == null) {
-              noCurrentHoldings++;
-              let holdingBookCost = h.NoUnits * h.PurchasePricePerUnit;
-
-              let currentHoldingValue = h.NoUnits * (i.Currency == 'GBp' ? i.CurrentPrice / 100 : i.CurrentPrice);
-
-              let holdingCurrentValueGBP = 0,
-                holdingGainGBP = 0,
-                singleDayGainGBP = 0,
-                singleDayGainPercent = 0,
-                singleDayProfitOrLoss = 0;
-              if (i.CurrentPrice) {
-                let currentHoldingValue = h.NoUnits * (i.Currency == 'GBp' ? i.CurrentPrice / 100 : i.CurrentPrice);
-
-                if (exchangeRate) {
-                  let holdingCurrentValueGBP = (h.NoUnits * i.CurrentPrice) / exchangeRate;
-                  //let holdingGainGBP = ((i.CurrentPrice - h.PurchasePricePerUnit) * h.NoUnits) / exchangeRate;
-                  let holdingGainGBP = holdingCurrentValueGBP - h.BookCostGBP;
-
-                  let singleDayGainGBP = ((i.CurrentPrice - (h.PurchaseDate > i.SingleDayStartDate ? h.PurchasePricePerUnit : i.SingleDayPreviousClose)) * h.NoUnits) / exchangeRate;
-                  let singleDayGainPercent = ((i.CurrentPrice / i.SingleDayPreviousClose) - 1) * 100;
-                  let singleDayProfitOrLoss = singleDayGainGBP < 0 ? 'loss' : 'profit';
-
-                  if (holdingCurrentValueGBP > maxCurrentValueGBP) { maxCurrentValueGBP = holdingCurrentValueGBP };
-                }
-              }
-
-              r.push({
-                displayOrder: i.DisplayOrder,
-                holdingNumber: hn,
-                instrumentType: i.InstrumentType,
-                instrumentName: i.InstrumentName,
-                displayName: i.DisplayName,
-                symbol: i.Symbol,
-                currency: i.Currency,
-                accountName: h.AccountName,
-                purchaseDateMin: h.PurchaseDate,
-                purchaseDateMax: h.PurchaseDate,
-                noUnits: h.NoUnits,
-                purchasePricePerUnit: h.PurchasePricePerUnit,
-                bookCost: holdingBookCost,
-                currentValue: currentHoldingValue,
-                gain: (i.Currency == 'GBp' ? (i.CurrentPrice - h.PurchasePricePerUnit) / 100 : (i.CurrentPrice - h.PurchasePricePerUnit)) * h.NoUnits,
-                //gainPercent: (i.CurrentPrice - h.PurchasePricePerUnit) / h.PurchasePricePerUnit * 100,
-                gainPercent: holdingGainGBP / h.BookCostGBP * 100,
-                currentValueGBP: holdingCurrentValueGBP,
-                gainGBP: holdingGainGBP,
-                singleDayGainGBP: singleDayGainGBP,
-                singleDayGainPercent: singleDayGainPercent,
-                singleDayProfitOrLoss: singleDayProfitOrLoss,
-                currentPrice: i.CurrentPrice,
-                currentExchangeRate: exchangeRate,
-                marketIsOpen: marketIsOpen
-              });
-
-              holdingCurrencies.addHoldingCurrency(i.Currency, h.NoUnits * h.PurchasePricePerUnit);
-              if (i.CurrentPrice) {
-                holdingCurrenciesCurrentValue.addHoldingCurrency(i.Currency, h.NoUnits * i.CurrentPrice);
-                if (exchangeRate) {
-                  currentValuePerAccount.addCategoryAmount(h.AccountName, holdingCurrentValueGBP);
-                  bookCostPerAccount.addCategoryAmount(h.AccountName, holdingBookCost / exchangeRate);
-
-                  //totalBookCostGBP += holdingBookCost / exchangeRate;
-                  totalBookCostGBP += h.BookCostGBP;
-                  totalValueGBP += holdingCurrentValueGBP;
-                  totalGainGBP += holdingGainGBP;
-                  todaysGainGBP += (marketIsOpen == 0 ? 0 : singleDayGainGBP);
-                }
-              }
-            }
-            if (noCurrentHoldings == 0) {
-              //No current holdings for this instrument - add it to the watchlist
-              if (i.WatchlistID) {
-                w.push(i);
-              }
-            }
-          }
-        }
-        //} //if (i.CurrentPrice)
-      }
-    }
-
-    return {
-      totalBookCostGBP: totalBookCostGBP,
-      totalValueGBP: totalValueGBP,
-      totalGainGBP: totalGainGBP,
-      todaysGainGBP: todaysGainGBP,
-      maxCurrentValueGBP: maxCurrentValueGBP,
-      holdings: r,
-      watchlist: w,
-      holdingCurrencies: holdingCurrencies,
-      holdingCurrenciesCurrentValue: holdingCurrenciesCurrentValue,
-      bookCostPerAccount: bookCostPerAccount,
-      currentValuePerAccount: currentValuePerAccount
-    };
-  }
-  function createTable() {
-    let t = $("#tblMainHoldings");
-    if (t.length) {
-      return;
-    } else {
-      let tbl = '<table id="tblMainHoldings" class="mainHoldings"><thead>' +
-                  '<tr><th>Type</th>' +
-                  '<th>Name</th>' +
-                  '<th>Symbol</th>' +
-                  '<th>Ccy</th>' +
-                  '<th>Account</th>' +
-                  '<th>Buy Date</th>' +
-                  '<th>No Units</th>' +
-                  '<th>Buy<br>Price</th>' +
-                  '<th>Current<br>Price</th>' +
-                  '<th>Book<br>Cost</th>' +
-                  '<th>Current<br>Value</th>' +
-                  '<th>Gain</th>' +
-                  '<th>Gain £</th>' +
-                  '<th>Gain %</th>' +
-                  '<th>Current<br>Value £</th>' +
-                  '<th>Allocation</th>' +
-                  '<th>Today&apos;s<br>Gain £</th>' +
-                  '<th>Today&apos;s<br>Gain %</th>' +
-              '</tr></thead><tbody id="tbMainHoldings"></tbody><tfoot id="tfMainHoldings"><tr><td colspan="18">&nbsp;</td></tr></tfoot></table>';
-
-      //$('#holdingsDiv').html(tbl);
-      $('#holdingsTableDiv').html(tbl);
-
-      $("#tblMainHoldings").tablesorter({ ignoreCase: false });
-      $("#tblMainHoldings").trigger("sorton", Cookies.get('sortHoldings'));
-      $('#tblMainHoldings').on('sortEnd', function (event) {
-        // Prints the current sort order to the console
-        if (event.target.config.sortList.length > 3) {
-          console.info({ "Setting sortHoldings Cookie (array too long?)": event.target.config.sortList });
-        }
-        Cookies.set('sortHoldings', event.target.config.sortList, { 'sameSite': 'strict' });
-      });
-    }
-  }
-  function createWatchlistTable() {
-    let t = $("#tblWatchlist");
-    if (t.length) {
-      return;
-    } else {
-      let tbl = '<table id="tblWatchlist" class="watchlist"><thead>' +
-                  '<tr><th>Type</th>' +
-                  '<th>Name</th>' +
-                  '<th>Symbol</th>' +
-                  '<th>Ccy</th>' +
-                  '<th>Current Price</th>' +
-                  '<th>Today&apos;s Gain</th>' +
-                  '<th>Today&apos;s Gain %</th>' +
-                  '<th>Since Last Sold<th>' +
-              '</tr></thead><tbody id="tbWatchlist"></tbody></table>';
-
-      $('#watchlistTableDiv').html(tbl);
-
-      $("#tblWatchlist").tablesorter({ ignoreCase: false });
-      $("#tblWatchlist").trigger("sorton", Cookies.get('sortWatchlist'));
-      $('#tblWatchlist').on('sortEnd', function (event) {
-        // Prints the current sort order to the console
-        Cookies.set('sorWatchlist', event.target.config.sortList, { 'sameSite': 'strict' });
-      });
-    }
-  }
-  function addTableRow(rowID, content, tbodyID, highlightUpdates) {
-    let r = $("#" + rowID);
-    let newText = $(content).text(); //$(content).text();
-    if (r.length) {
-      let currentContent = r.text();
-      if (currentContent != newText) { //Only update row if the content has changed
-        $("#" + rowID).replaceWith(content);
-        if (highlightUpdates) {
-          $("#" + rowID).addClass("highlighted");
-        }
-      }
-    } else {
-      $("#" + tbodyID).append(content); //.addClass("highlighted");
-      //$("#" + rowID).addClass("highlighted");
-    }
-  }
-  function getPercentCell(backgroundColor, cellWidth, valuePercent, label) {
-    let labelText = label ? label : (valuePercent.toFixed(1) + '%');
-    let barWidth = ((valuePercent / 100) * cellWidth);
-    return '<td>' +
-              '<div class="pcBackground" style="background-color: ' + backgroundColor + '; width:' + barWidth.toFixed(0) + 'px;">&nbsp;</div>' +
-              '<div class="pcLabel" style="width:' + cellWidth + 'px">' + labelText + '</div>' +
-           '</td>';
-  }
-  function profitOrLoss(value) {
-    return value >= 0 ? "profit" : "loss";
-  }
-
-  let t = getHoldings();
-  let totalBookCostGBP = t.totalBookCostGBP;
-  let totalValueGBP = t.totalValueGBP;
-  let totalGainGBP = t.totalGainGBP;
-  let todaysGainGBP = t.todaysGainGBP;
-  let maxCurrentValueGBP = t.maxCurrentValueGBP;
-  let holdings = t.holdings;
-  let watchlist = t.watchlist;
-  let holdingCurrencies = t.holdingCurrencies;
-  let holdingCurrenciesCurrentValue = t.holdingCurrenciesCurrentValue;
-  let bookCostPerAccount = t.bookCostPerAccount;
-  let currentValuePerAccount = t.currentValuePerAccount;
-
-  let maxAllocationPercent = (maxCurrentValueGBP / totalValueGBP) * 100;
-  let allocationScaleFactor = 100 / maxAllocationPercent;
-
-  let altRow = 1;
-
-  createTable();
-  for (let n = 0; n < holdings.length; n++) {
-    try {
-      altRow = !altRow;
-
-      let h = holdings[n];
-      let type = h.instrumentType == 'CURRENCY' ? '$' : h.instrumentType.substring(0, 1);
-      //let profitOrLoss = h.currentPrice < h.purchasePricePerUnit ? 'loss' : 'profit'; //let profitOrLoss = i.CurrentPrice < h.PurchasePricePerUnit ? 'loss' : 'profit';
-      let openOrClosed = h.marketIsOpen == 1 ? 'open' : 'closed';
-      let allocationPercent = h.currentValueGBP / totalValueGBP * 100;
-      let scaledAllocation = allocationScaleFactor * allocationPercent;
-
-      let rowID = "holdingRow_" + h.displayOrder + "_" + h.holdingNumber;
-      let row = '<tr' + (altRow ? ' class="altShareRow"' : '') + ' id="' + rowID + '">' +
-                  '<td class="' + openOrClosed + '">' + type + '</td>' +
-                  '<td class="' + openOrClosed + '">' + (h.displayName != '' ? h.displayName : h.instrumentName) + '</td>' +
-                  '<td><a target="_blank" href="https://uk.finance.yahoo.com/quote/' + h.symbol + '">' + h.symbol + '</a>' + '</td>' +
-                  '<td class="' + openOrClosed + '">' + h.currency + '</td>' +
-                  '<td class="' + openOrClosed + '" title="' + (h.accountNames ? h.accountNames : '') + '">' + h.accountName + '</td>' +
-                  '<td class="' + openOrClosed + '"' + (h.purchaseDateMin == h.purchaseDateMax ? ('>' + new Date(h.purchaseDateMin).yyyymmdd()) : (' title="' + new Date(h.purchaseDateMax).yyyymmdd() + ' - ' + new Date(h.purchaseDateMin).yyyymmdd() + '">' + new Date(h.purchaseDateMin).yyyymmdd()) + '+') + '</td>' +
-                  //'<td class="num ' + openOrClosed + '">' + formatAmount(h.noUnits, '', 0) + '</td>' +
-                  '<td class="num ' + openOrClosed + '">' + h.noUnits.autoScale() + '</td>' +
-                  '<td class="num ' + openOrClosed + '">' + formatAmount(h.purchasePricePerUnit, h.currency, 2) + '</td>' + //Buy Price
-                  '<td class="num ' + openOrClosed + '">' + (h.currentPrice ? formatAmount(h.currentPrice, h.currency, 2) : '') + '</td>' + //Current Price
-                  '<td class="num ' + openOrClosed + '">' + formatAmount(h.currency == 'GBp' ? h.bookCost / 100 : h.bookCost, h.currency == 'GBp' ? 'GBP' : h.currency, 0) + '</td>' + //Book Cost
-                  '<td class="num ' + openOrClosed + '">' + (h.currentExchangeRate ? formatAmount(h.currentValue, h.currency == 'GBp' ? 'GBP' : h.currency, 0) : '') + '</td>' + //Current Value
-                  '<td class="num ' + profitOrLoss(h.currentPrice - h.purchasePricePerUnit) + '">' + (h.currentPrice ? formatAmount(h.gain, h.currency == 'GBp' ? 'GBP' : h.currency, 0) : '') + '</td>' + //Gain
-                  '<td class="num ' + profitOrLoss(h.gainGBP) + '">' + (h.currentExchangeRate ? formatAmount(h.gainGBP, 'GBP', 0) : '') + '</td>' + //Gain £
-                  '<td class="num ' + profitOrLoss(h.gainGBP) + '">' + (h.currentExchangeRate ? h.gainPercent.toFixed(1) + '%' : '') + '</td>' + //Gain %
-                  '<td class="num ' + openOrClosed + '">' + (h.currentExchangeRate ? formatAmount(h.currentValueGBP, 'GBP', 0) : '') + '</td>' + //Current Value £
-                  (h.currentExchangeRate ? getPercentCell('#3f2d95', 70, scaledAllocation, allocationPercent.toFixed(1) + '%') : '') + //Allocation
-                  (h.currentExchangeRate ? (h.marketIsOpen == 0 ? '<td/>' : '<td class="num ' + h.singleDayProfitOrLoss + '">' + formatAmount(h.singleDayGainGBP, 'GBP', 0) + '</td>') : '') + //Today's Gain £
-                  (h.singleDayGainPercent ? (h.marketIsOpen == 0 ? '<td/>' : '<td class="num ' + h.singleDayProfitOrLoss + '">' + h.singleDayGainPercent.toFixed(1) + '%</td>') : '<td/>') + //Today's Gain %
-               '</tr>';
-      addTableRow(rowID, row, "tbMainHoldings", true);
-    }
-    catch (err) {
-      logError("Error adding " + holdings[n].symbol + " to main holdings table: " + err.message);
-    }
-  }
-
-  //Add the totals line at the bottom of the table
-  //let profitOrLoss = totalValueGBP < totalBookCostGBP ? 'loss' : 'profit';
-  let todaysProfitOrLoss = todaysGainGBP < 0 ? 'loss' : 'profit';
-  let lSF = '';
-  if (lastSuccessfulFetch) {
-    let lastFetchAge = ((new Date()) - lastSuccessfulFetch);
-    let staleFetch = ((new Date()) - lastSuccessfulFetch) > (timespans.oneMinute * 3);
-    lSF = (lastSuccessfulFetch ? ' - Last Successful Fetch: ' + (staleFetch ? '<span class="loss">' : '') + lastSuccessfulFetch.yyyymmddhhmmss() + (staleFetch ? '</span>' : '') : '');
-  }
-  let row = '<tr id="tfHoldingsTotals"><td></td><td id="holdingsLastUpdated" colspan="8">Updated: ' + new Date().yyyymmddhhmmss() + lSF + '</td>' +
-             '<td class="num">' + formatAmount(totalBookCostGBP, 'GBP', 0) + '</td>' + //Book Cost
-             '<td></td><td></td>' +
-             '<td class="num ' + profitOrLoss(totalValueGBP - totalBookCostGBP) + '">' + formatAmount(totalGainGBP, 'GBP', 0) + '</td>' + //Gain GBP
-             '<td class="num ' + profitOrLoss(totalValueGBP - totalBookCostGBP) + '">' + formatAmount((((totalValueGBP / totalBookCostGBP) - 1) * 100), '', 1) + '%</td>' + //Gain %
-             '<td class="num">' + formatAmount(totalValueGBP, 'GBP', 0) + '</td>' + //Current Value
-             '<td>&nbsp;</td>' + //Allocation
-             '<td class="num ' + todaysProfitOrLoss + '">' + formatAmount(todaysGainGBP, 'GBP', 0) + '</td>' + //Today's Gain GBP
-             //'<td class="num ' + todaysProfitOrLoss + '">' + formatAmount(((todaysGainGBP / totalBookCostGBP) * 100), '', 1) + '%</td>' + //Today's Gain %
-             '<td class="num ' + todaysProfitOrLoss + '">' + formatAmount(((todaysGainGBP / (totalValueGBP-todaysGainGBP)) * 100), '', 1) + '%</td>' + //Today's Gain %
-          '</tr>';
-  addTableRow("tfHoldingsTotals", row, "tfMainHoldings", false);
-
-  //Create the watchlist table
-  createWatchlistTable();
-  altRow = 1;
-  for (let n = 0; n < watchlist.length; n++) {
-    altRow = !altRow;
-    let wi = watchlist[n];
-    try {
-      let type = wi.InstrumentType == 'CURRENCY' ? '$' : wi.InstrumentType.substring(0, 1);
-      let openOrClosed = Instruments.MarketIsOpen(wi) == 1 ? 'open' : 'closed';
-      let profitOrLoss = wi.CurrentPrice < wi.SingleDayPreviousClose ? 'loss' : 'profit';
-      let rowID = "watchlistRow_" + wi.DisplayOrder;
-
-      let sinceLastSold = '<td></td>';
-      if (wi.LastSoldPrice) {
-        let delta = (wi.CurrentPrice - wi.LastSoldPrice) / wi.LastSoldPrice * 100;
-        let tooltip = new Date(wi.LastSoldDate).yyyymmdd() + ' @ ' + wi.LastSoldPrice.toFixed(2);
-        sinceLastSold = '<td title="' + tooltip + '" class="num ' + (delta < 0 ? 'loss' : 'profit') + '">' + (delta).toFixed(1) + '%</td>';
-      }
-
-      //Type, Name, Symbol, Ccy, Current Price, Today's Gain, Today's Gain %
-      let row = '<tr' + (altRow ? ' class="altShareRow"' : '') + ' id="' + rowID + '">' +
-                  '<td class="' + openOrClosed + '">' + type + '</td>' +
-                  '<td class="' + openOrClosed + '">' + wi.InstrumentName + '</td>' +
-                  '<td><a target="_blank" href="https://uk.finance.yahoo.com/quote/' + wi.Symbol + '">' + wi.Symbol + '</a>' + '</td>' +
-                  '<td class="' + openOrClosed + '">' + wi.Currency + '</td>' +
-                  '<td class="num ' + openOrClosed + '">' + (wi.CurrentPrice ? formatAmount(wi.CurrentPrice, wi.Currency, 2) : '') + '</td>' + //Current Price
-                  (Instruments.marketIsOpen == 0 ? '<td/>' : '<td class="num ' + profitOrLoss + '">' + (wi.CurrentPrice ? formatAmount(wi.CurrentPrice - wi.SingleDayPreviousClose, wi.Currency, 2) : '') + '</td>') + //Today's Gain
-                  (Instruments.marketIsOpen == 0 ? '<td/>' : '<td class="num ' + profitOrLoss + '">' + (wi.CurrentPrice ? ((wi.CurrentPrice - wi.SingleDayPreviousClose) / wi.SingleDayPreviousClose * 100).toFixed(1) : '') + '</td>') + //Today's Gain %
-                  //'<td>' + (new Date(wi.LastSoldDate)).yyyymmdd() + '</td>' +
-                  sinceLastSold +
-                '</tr>';
-      addTableRow(rowID, row, "tbWatchlist", true);
-    }
-    catch (err) {
-      logError("Error adding " + wi.symbol + " to watchlist table: " + err.message);
-    }
-  }
-
-  //Flash the last updated cell
-  $("#holdingsLastUpdated").addClass("highlighted");
-  //Remove the highlight from all rows/cells
-  $("#tblMainHoldings").find(".highlighted").removeClass("highlighted", 1200);
-  $("#tblWatchlist").find(".highlighted").removeClass("highlighted", 1200);
-
-  //Tell tablesorter that the table has been updated
-  var resort = true;
-  $("#tblMainHoldings").trigger("update", [resort]);
-
-  //Update the daily holdings value table in the DB
-  if (totalValueGBP != lastTotalHoldingsValue) {
-    $.ajax({
-      type: "POST",
-      contentType: "application/json",
-      url: "SharePrices.aspx/SetTotalHoldingsValue",
-      dataType: "json",
-      data: JSON.stringify({ TotalValue: totalValueGBP }),
-      success: function (response) {
-        previousDay = response.PreviousDay;
-        previousClose = response.PreviousClose;
-        previousWeek = response.PreviousWeekDate;
-        previousWeekClose = response.PreviousWeekClose;
-
-        //Update the total holdings span in the site banner
-        let formattedAmount = formatAmount(totalValueGBP, "GBP", 0);
-        let holdingsHTML = '<span style="font-size: small;">Total holdings:&nbsp;</span>' + '<span style="font-size: large">' + formattedAmount + '</span>&nbsp;';
-        holdingsHTML += '<span style="font-size: small;"><span class="' + (previousClose < totalValueGBP ? 'profit">+' : 'loss">') + formatAmount(totalValueGBP - previousClose, "GBP", 0) + '</span>&nbsp;(d)';
-        holdingsHTML += '&nbsp;/&nbsp;<span class="' + (previousWeekClose < totalValueGBP ? 'profit">+' : 'loss">') + formatAmount(totalValueGBP - previousWeekClose, "GBP", 0) + '</span>&nbsp;(w)</span>';
-        $("#spnTotalHoldings").html(holdingsHTML);
-        //Set the page title
-        document.title = formattedAmount + ' - ' + initialPageTitle;
-
-        lastTotalHoldingsValue = totalValueGBP;
-      },
-      failure: function (response) { console.error("SetTotalHoldingsValue error: " + JSON.stringify(response)); }
-    });
-  }
-
-  //Create / update the currency allocation pie chart
-  function labelFormatter(label, series) {
-    return "<div class='pieLabel'>" + label + "<br/>" + Math.round(series.percent) + "%<br>" + formatAmount(series.data[0][1], 'GBP', 0) + "</div>";
-  }
-  let ops = {
-    series: {
-      downsample: { threshold: 0 },
-      pie: { show: true, radius: 1, label: { show: true, radius: 0.7, formatter: labelFormatter } }
-    },
-    legend: { show: false },
-    grid: { hoverable: true },
-    tooltip: {
-      show: true,
-      content: "%p.0%, %s, n=%n", // show percentages, rounding to 2 decimal places
-      shifts: { x: 20, y: 0 },
-      defaultTheme: false
-    }
-  };
-  let cd = holdingCurrencies.getChartData();
-  if (cd.length) {
-    $.plot('#divHoldingCurrenciesChart', cd, ops);
-  }
-
-  cd = holdingCurrenciesCurrentValue.getChartData();
-  if (cd.length) {
-    $.plot('#divHoldingCurrenciesChartCurrentValue', cd, ops);
-  }
-
-  function labelFormatter2(label, series) {
-    return "<div class='pieLabel'>" + label + "<br/>" + formatAmount(series.data[0][1], 'GBP', 0) + "</div>";
-  }
-  ops.series.pie.label.formatter = labelFormatter2;
-  cd = bookCostPerAccount.getChartData();
-  if (cd.length) {
-    $.plot('#divAccountBookCost', cd, ops);
-  }
-
-  cd = currentValuePerAccount.getChartData();
-  if (cd.length) {
-    $.plot('#divAccountValue', cd, ops);
-  }
-}
 function createAccountsTables() {
   function getAccounts() {
     let accounts = [];
diff --git a/Websites/SharePrices/SharePrices/scripts/SharePrices_Common.js b/Websites/SharePrices/SharePrices/scripts/SharePrices_Common.js
index d6f9e58..0aea3eb 100644
--- a/Websites/SharePrices/SharePrices/scripts/SharePrices_Common.js
+++ b/Websites/SharePrices/SharePrices/scripts/SharePrices_Common.js
@@ -6,6 +6,55 @@
   oneWeek: 7 * 24 * 60 * 60 * 1000,
   oneMonth: 31 * 24 * 60 * 60 * 1000 };
 
+export function formatAmount(amount, currency, decimals) {
+  if (amount) {
+    let isNegative = (amount < 0);
+    let s = Math.abs(amount).toFixed(decimals);
+    if (Math.abs(amount) < 0.01) {
+      s = Math.abs(amount).toPrecision(2);
+    }
+    let pos = s.indexOf('.');
+    let wholeNumber = (pos >= 0) ? s.substring(0, pos) : s;
+    let decimal = (pos >= 0) ? s.substring(pos) : '';
+    s = '';
+    while (wholeNumber.length > 0) {
+      //if (s.length > 0 && wholeNumber!='-') s = ',' + s; //Don't add a comma if the only thing left to add to the string is the minus sign
+      if (s.length > 0) s = ',' + s;
+      if (wholeNumber.length >= 3) {
+        s = wholeNumber.substring(wholeNumber.length - 3) + s;
+        wholeNumber = wholeNumber.substring(0, wholeNumber.length - 3);
+      } else {
+        s = wholeNumber + s;
+        wholeNumber = '';
+      }
+    }
+    s = s + decimal;
+    let sign = isNegative ? '-' : '';
+    switch (currency) {
+      case 'GBP':
+        s = sign + '£' + s;
+        break;
+      case 'GBp':
+        s = sign + s + 'p';
+        break;
+      case 'USD':
+        s = sign + 'U$' + s;
+        break;
+      case 'AUD':
+        s = sign + 'A$' + s;
+        break;
+      case 'EUR':
+        s = sign + '€' + s;
+        break;
+      default:
+        s = sign + currency + s;
+    }
+    return s;
+  } else {
+    return '';
+  }
+}
+
 export function getProfitOrLoss(BasePrice, CurrentPrice, ShowPercent) {
   //let priceMovement = (CurrentPrice - BasePrice).toFixed(2);
   let priceMovement = (CurrentPrice - BasePrice).autoDP();
diff --git a/Websites/SharePrices/SharePrices/scripts/SharePrices_Holdings.js b/Websites/SharePrices/SharePrices/scripts/SharePrices_Holdings.js
new file mode 100644
index 0000000..694603a
--- /dev/null
+++ b/Websites/SharePrices/SharePrices/scripts/SharePrices_Holdings.js
@@ -0,0 +1,591 @@
+'use strict';
+
+import { formatAmount } from "./SharePrices_Common.js";
+
+export function createHoldingsTable(Instruments, vars) {
+  function getHoldings() {
+    function aggregateHoldings(i) {
+      let aggUnits = 0;
+      let aggBookCost = 0;
+      let aggBookCostGBP = 0;
+      let minPurchaseData = new Date().getTime();
+      let maxPurchaseDate = 0;
+      let marketIsOpen = Instruments.MarketIsOpen(i);
+      let exchangeRate = Instruments.GetExchangeRate(i.Currency, 'GBP');
+      let accountNames = [];
+      let aggSingleDayGainGBP = 0;
+
+      for (let hn = 0; hn < i.Holdings.length; hn++) {
+        let h = i.Holdings[hn];
+
+        if (h.SoldDate == null && h.NoUnits != 0) {
+          aggUnits += h.NoUnits;
+          aggBookCost += h.NoUnits * h.PurchasePricePerUnit;
+          //aggBookCostGBP += h.NoUnits * h.PurchasePricePerUnit / exchangeRate;
+          aggBookCostGBP += h.BookCostGBP;
+          //bookCostPerAccount.addCategoryAmount(h.AccountName, (h.NoUnits * h.PurchasePricePerUnit) / exchangeRate);
+          bookCostPerAccount.addCategoryAmount(h.AccountName, h.BookCostGBP);
+
+          if (h.PurchaseDate < minPurchaseData) { minPurchaseData = h.PurchaseDate; }
+          if (h.PurchaseDate > maxPurchaseDate) { maxPurchaseDate = h.PurchaseDate; }
+          if (!accountNames.includes(h.AccountName)) { accountNames.push(h.AccountName); }
+
+          if (i.CurrentPrice && exchangeRate) {
+            aggSingleDayGainGBP += ((i.CurrentPrice - (h.PurchaseDate > i.SingleDayStartDate ? h.PurchasePricePerUnit : i.SingleDayPreviousClose)) * h.NoUnits) / exchangeRate;
+            currentValuePerAccount.addCategoryAmount(h.AccountName, (h.NoUnits * i.CurrentPrice) / exchangeRate);
+          }
+        }
+      }
+
+      let aggPurchasePricePerUnit = aggBookCost / aggUnits;
+      let aggCurrentValue = 0,
+        aggCurrentValueGBP = 0,
+        aggGainGBP = 0,
+        aggSingleDayGainPercent = 0,
+        aggSingleDayProfitOrLoss = 0;
+      if (i.CurrentPrice) {
+        aggCurrentValue = aggUnits * (i.Currency == 'GBp' ? i.CurrentPrice / 100 : i.CurrentPrice);
+        if (exchangeRate) {
+          aggCurrentValueGBP = (aggUnits * i.CurrentPrice) / exchangeRate;
+          //aggGainGBP = ((i.CurrentPrice - aggPurchasePricePerUnit) * aggUnits) / exchangeRate;
+          aggGainGBP = aggCurrentValueGBP - aggBookCostGBP;
+          aggSingleDayGainPercent = ((i.CurrentPrice / i.SingleDayPreviousClose) - 1) * 100;
+          aggSingleDayProfitOrLoss = aggSingleDayGainGBP < 0 ? 'loss' : 'profit';
+        }
+      }
+
+      return {
+        displayOrder: i.DisplayOrder,
+        holdingNumber: 0,
+        instrumentType: i.InstrumentType,
+        instrumentName: i.InstrumentName,
+        displayName: i.DisplayName,
+        symbol: i.Symbol,
+        currency: i.Currency,
+        accountName: accountNames.length > 1 ? 'Multiple (' + accountNames.length + ')' : accountNames[0],
+        accountNames: accountNames.length > 1 ? accountNames.join(', ') : '',
+        purchaseDateMin: minPurchaseData,
+        purchaseDateMax: maxPurchaseDate,
+        noUnits: aggUnits,
+        purchasePricePerUnit: aggPurchasePricePerUnit,
+        bookCost: aggBookCost,
+        bookCostGBP: aggBookCostGBP,
+        currentValue: aggCurrentValue,
+        gain: (i.Currency == 'GBp' ? (i.CurrentPrice - aggPurchasePricePerUnit) / 100 : (i.CurrentPrice - aggPurchasePricePerUnit)) * aggUnits,
+        //gainPercent: (i.CurrentPrice - aggPurchasePricePerUnit) / aggPurchasePricePerUnit * 100,
+        gainPercent: aggGainGBP / aggBookCostGBP * 100,
+        currentValueGBP: aggCurrentValueGBP,
+        gainGBP: aggGainGBP,
+        singleDayGainGBP: aggSingleDayGainGBP,
+        singleDayGainPercent: aggSingleDayGainPercent,
+        singleDayProfitOrLoss: aggSingleDayProfitOrLoss,
+        currentPrice: i.CurrentPrice,
+        currentExchangeRate: exchangeRate,
+        marketIsOpen: marketIsOpen
+      };
+    }
+
+    //Create a structure to summarise total holdings in each currency, to be used in the pie chart
+    let holdingCurrencies = {
+      data: [],
+      indexOfHoldingCurrency: function (symbol) { return this.data.map(function (item) { return item.symbol; }).indexOf(symbol); },
+      getHoldingCurrency: function (symbol) { return this.data[this.indexOfHoldingCurrency(symbol)]; },
+      addHoldingCurrency: function (symbol, amount) {
+        let c = this.getHoldingCurrency(symbol);
+        if (c) {
+          c.total += amount;
+        } else {
+          this.data.push({ symbol: symbol, total: amount });
+        }
+      },
+      getChartData: function () {
+        let d = []
+        for (let i = 0; i < this.data.length; i++) {
+          //d.push({ label: this.data[i].symbol, data: this.data[i].total / Instruments.GetExchangeRate(this.data[i].symbol, 'GBP') });
+          d.push({ label: this.data[i].symbol, data: this.data[i].total });
+        }
+        return d;
+      }
+    };
+    let holdingCurrenciesCurrentValue = {
+      data: [],
+      indexOfHoldingCurrency: function (symbol) { return this.data.map(function (item) { return item.symbol; }).indexOf(symbol); },
+      getHoldingCurrency: function (symbol) { return this.data[this.indexOfHoldingCurrency(symbol)]; },
+      addHoldingCurrency: function (symbol, amount) {
+        let c = this.getHoldingCurrency(symbol);
+        if (c) {
+          c.total += amount;
+        } else {
+          this.data.push({ symbol: symbol, total: amount });
+        }
+      },
+      getChartData: function () {
+        let d = []
+        for (let i = 0; i < this.data.length; i++) {
+          d.push({ label: this.data[i].symbol, data: this.data[i].total / Instruments.GetExchangeRate(this.data[i].symbol, 'GBP') });
+        }
+        return d;
+      }
+    };
+    let bookCostPerAccount = createCategoryAggregator();
+    let currentValuePerAccount = createCategoryAggregator();
+    let totalHoldingsValueGBP = 0;
+    let totalBookCostGBP = 0;
+    let totalValueGBP = 0;
+    let totalGainGBP = 0;
+    let todaysGainGBP = 0;
+    let maxCurrentValueGBP = 0;
+    let groupHoldings = $('#groupBySymbol').prop('checked');
+    let r = [];
+    let w = []; //Watchlist (instruments with no current holdings)
+
+    for (let n = 0; n < Instruments.Data.length; n++) {
+      let i = Instruments.Data[n];
+      //if (i.InstrumentType == 'EQUITY') {
+      if (i.InstrumentType == 'EQUITY' || i.InstrumentType == 'ETF' || i.InstrumentType == 'CRYPTOCURRENCY' || i.InstrumentType == 'CURRENCY') {
+        //if (i.CurrentPrice) {
+        if (groupHoldings) {
+          let agg = aggregateHoldings(i);
+          if (agg.noUnits > 0) {
+            r.push(agg);
+
+            //holdingCurrencies.addHoldingCurrency(i.Currency, agg.noUnits * agg.purchasePricePerUnit);
+            //holdingCurrencies.addHoldingCurrency(i.Currency.toUpperCase(), agg.noUnits * agg.purchasePricePerUnit / (i.Currency == "GBp" ? 100 : 1));
+            holdingCurrencies.addHoldingCurrency(i.Currency.toUpperCase(), agg.bookCostGBP);
+            if (i.CurrentPrice) {
+              if (agg.currentValueGBP > maxCurrentValueGBP) { maxCurrentValueGBP = agg.currentValueGBP };
+              //holdingCurrenciesCurrentValue.addHoldingCurrency(i.Currency, agg.noUnits * i.CurrentPrice);
+              holdingCurrenciesCurrentValue.addHoldingCurrency(i.Currency.toUpperCase(), agg.noUnits * i.CurrentPrice / (i.Currency == "GBp" ? 100 : 1));
+              if (agg.currentExchangeRate) {
+                totalBookCostGBP += agg.bookCostGBP;
+                totalValueGBP += agg.currentValueGBP;
+                totalGainGBP += agg.gainGBP;
+                todaysGainGBP += (agg.marketIsOpen == 0 ? 0 : agg.singleDayGainGBP);
+              }
+            }
+          } else {
+            //No current holdings for this instrument - add it to the watchlist
+            if (i.WatchlistID) {
+              w.push(i);
+            }
+          }
+        } else {
+          let marketIsOpen = Instruments.MarketIsOpen(i);
+          let exchangeRate = Instruments.GetExchangeRate(i.Currency, 'GBP');
+
+          let noCurrentHoldings = 0;
+          for (let hn = 0; hn < i.Holdings.length; hn++) {
+            let h = i.Holdings[hn];
+            if (h.SoldDate == null) {
+              noCurrentHoldings++;
+              let holdingBookCost = h.NoUnits * h.PurchasePricePerUnit;
+
+              let currentHoldingValue = h.NoUnits * (i.Currency == 'GBp' ? i.CurrentPrice / 100 : i.CurrentPrice);
+
+              let holdingCurrentValueGBP = 0,
+                holdingGainGBP = 0,
+                singleDayGainGBP = 0,
+                singleDayGainPercent = 0,
+                singleDayProfitOrLoss = 0;
+              if (i.CurrentPrice) {
+                let currentHoldingValue = h.NoUnits * (i.Currency == 'GBp' ? i.CurrentPrice / 100 : i.CurrentPrice);
+
+                if (exchangeRate) {
+                  let holdingCurrentValueGBP = (h.NoUnits * i.CurrentPrice) / exchangeRate;
+                  //let holdingGainGBP = ((i.CurrentPrice - h.PurchasePricePerUnit) * h.NoUnits) / exchangeRate;
+                  let holdingGainGBP = holdingCurrentValueGBP - h.BookCostGBP;
+
+                  let singleDayGainGBP = ((i.CurrentPrice - (h.PurchaseDate > i.SingleDayStartDate ? h.PurchasePricePerUnit : i.SingleDayPreviousClose)) * h.NoUnits) / exchangeRate;
+                  let singleDayGainPercent = ((i.CurrentPrice / i.SingleDayPreviousClose) - 1) * 100;
+                  let singleDayProfitOrLoss = singleDayGainGBP < 0 ? 'loss' : 'profit';
+
+                  if (holdingCurrentValueGBP > maxCurrentValueGBP) { maxCurrentValueGBP = holdingCurrentValueGBP };
+                }
+              }
+
+              r.push({
+                displayOrder: i.DisplayOrder,
+                holdingNumber: hn,
+                instrumentType: i.InstrumentType,
+                instrumentName: i.InstrumentName,
+                displayName: i.DisplayName,
+                symbol: i.Symbol,
+                currency: i.Currency,
+                accountName: h.AccountName,
+                purchaseDateMin: h.PurchaseDate,
+                purchaseDateMax: h.PurchaseDate,
+                noUnits: h.NoUnits,
+                purchasePricePerUnit: h.PurchasePricePerUnit,
+                bookCost: holdingBookCost,
+                currentValue: currentHoldingValue,
+                gain: (i.Currency == 'GBp' ? (i.CurrentPrice - h.PurchasePricePerUnit) / 100 : (i.CurrentPrice - h.PurchasePricePerUnit)) * h.NoUnits,
+                //gainPercent: (i.CurrentPrice - h.PurchasePricePerUnit) / h.PurchasePricePerUnit * 100,
+                gainPercent: holdingGainGBP / h.BookCostGBP * 100,
+                currentValueGBP: holdingCurrentValueGBP,
+                gainGBP: holdingGainGBP,
+                singleDayGainGBP: singleDayGainGBP,
+                singleDayGainPercent: singleDayGainPercent,
+                singleDayProfitOrLoss: singleDayProfitOrLoss,
+                currentPrice: i.CurrentPrice,
+                currentExchangeRate: exchangeRate,
+                marketIsOpen: marketIsOpen
+              });
+
+              holdingCurrencies.addHoldingCurrency(i.Currency, h.NoUnits * h.PurchasePricePerUnit);
+              if (i.CurrentPrice) {
+                holdingCurrenciesCurrentValue.addHoldingCurrency(i.Currency, h.NoUnits * i.CurrentPrice);
+                if (exchangeRate) {
+                  currentValuePerAccount.addCategoryAmount(h.AccountName, holdingCurrentValueGBP);
+                  bookCostPerAccount.addCategoryAmount(h.AccountName, holdingBookCost / exchangeRate);
+
+                  //totalBookCostGBP += holdingBookCost / exchangeRate;
+                  totalBookCostGBP += h.BookCostGBP;
+                  totalValueGBP += holdingCurrentValueGBP;
+                  totalGainGBP += holdingGainGBP;
+                  todaysGainGBP += (marketIsOpen == 0 ? 0 : singleDayGainGBP);
+                }
+              }
+            }
+            if (noCurrentHoldings == 0) {
+              //No current holdings for this instrument - add it to the watchlist
+              if (i.WatchlistID) {
+                w.push(i);
+              }
+            }
+          }
+        }
+        //} //if (i.CurrentPrice)
+      }
+    }
+
+    return {
+      totalBookCostGBP: totalBookCostGBP,
+      totalValueGBP: totalValueGBP,
+      totalGainGBP: totalGainGBP,
+      todaysGainGBP: todaysGainGBP,
+      maxCurrentValueGBP: maxCurrentValueGBP,
+      holdings: r,
+      watchlist: w,
+      holdingCurrencies: holdingCurrencies,
+      holdingCurrenciesCurrentValue: holdingCurrenciesCurrentValue,
+      bookCostPerAccount: bookCostPerAccount,
+      currentValuePerAccount: currentValuePerAccount
+    };
+  }
+  function createTable() {
+    let t = $("#tblMainHoldings");
+    if (t.length) {
+      return;
+    } else {
+      let tbl = '<table id="tblMainHoldings" class="mainHoldings"><thead>' +
+        '<tr><th>Type</th>' +
+        '<th>Name</th>' +
+        '<th>Symbol</th>' +
+        '<th>Ccy</th>' +
+        '<th>Account</th>' +
+        '<th>Buy Date</th>' +
+        '<th>No Units</th>' +
+        '<th>Buy<br>Price</th>' +
+        '<th>Current<br>Price</th>' +
+        '<th>Book<br>Cost</th>' +
+        '<th>Current<br>Value</th>' +
+        '<th>Gain</th>' +
+        '<th>Gain £</th>' +
+        '<th>Gain %</th>' +
+        '<th>Current<br>Value £</th>' +
+        '<th>Allocation</th>' +
+        '<th>Today&apos;s<br>Gain £</th>' +
+        '<th>Today&apos;s<br>Gain %</th>' +
+        '</tr></thead><tbody id="tbMainHoldings"></tbody><tfoot id="tfMainHoldings"><tr><td colspan="18">&nbsp;</td></tr></tfoot></table>';
+
+      //$('#holdingsDiv').html(tbl);
+      $('#holdingsTableDiv').html(tbl);
+
+      $("#tblMainHoldings").tablesorter({ ignoreCase: false });
+      $("#tblMainHoldings").trigger("sorton", Cookies.get('sortHoldings'));
+      $('#tblMainHoldings').on('sortEnd', function (event) {
+        // Prints the current sort order to the console
+        if (event.target.config.sortList.length > 3) {
+          console.info({ "Setting sortHoldings Cookie (array too long?)": event.target.config.sortList });
+        }
+        Cookies.set('sortHoldings', event.target.config.sortList, { 'sameSite': 'strict' });
+      });
+    }
+  }
+  function createWatchlistTable() {
+    let t = $("#tblWatchlist");
+    if (t.length) {
+      return;
+    } else {
+      let tbl = '<table id="tblWatchlist" class="watchlist"><thead>' +
+        '<tr><th>Type</th>' +
+        '<th>Name</th>' +
+        '<th>Symbol</th>' +
+        '<th>Ccy</th>' +
+        '<th>Current Price</th>' +
+        '<th>Today&apos;s Gain</th>' +
+        '<th>Today&apos;s Gain %</th>' +
+        '<th>Since Last Sold<th>' +
+        '</tr></thead><tbody id="tbWatchlist"></tbody></table>';
+
+      $('#watchlistTableDiv').html(tbl);
+
+      $("#tblWatchlist").tablesorter({ ignoreCase: false });
+      $("#tblWatchlist").trigger("sorton", Cookies.get('sortWatchlist'));
+      $('#tblWatchlist').on('sortEnd', function (event) {
+        // Prints the current sort order to the console
+        Cookies.set('sorWatchlist', event.target.config.sortList, { 'sameSite': 'strict' });
+      });
+    }
+  }
+  function addTableRow(rowID, content, tbodyID, highlightUpdates) {
+    let r = $("#" + rowID);
+    let newText = $(content).text(); //$(content).text();
+    if (r.length) {
+      let currentContent = r.text();
+      if (currentContent != newText) { //Only update row if the content has changed
+        $("#" + rowID).replaceWith(content);
+        if (highlightUpdates) {
+          $("#" + rowID).addClass("highlighted");
+        }
+      }
+    } else {
+      $("#" + tbodyID).append(content); //.addClass("highlighted");
+      //$("#" + rowID).addClass("highlighted");
+    }
+  }
+  function getPercentCell(backgroundColor, cellWidth, valuePercent, label) {
+    let labelText = label ? label : (valuePercent.toFixed(1) + '%');
+    let barWidth = ((valuePercent / 100) * cellWidth);
+    return '<td>' +
+      '<div class="pcBackground" style="background-color: ' + backgroundColor + '; width:' + barWidth.toFixed(0) + 'px;">&nbsp;</div>' +
+      '<div class="pcLabel" style="width:' + cellWidth + 'px">' + labelText + '</div>' +
+      '</td>';
+  }
+  function profitOrLoss(value) {
+    return value >= 0 ? "profit" : "loss";
+  }
+
+  let t = getHoldings();
+  let totalBookCostGBP = t.totalBookCostGBP;
+  let totalValueGBP = t.totalValueGBP;
+  let totalGainGBP = t.totalGainGBP;
+  let todaysGainGBP = t.todaysGainGBP;
+  let maxCurrentValueGBP = t.maxCurrentValueGBP;
+  let holdings = t.holdings;
+  let watchlist = t.watchlist;
+  let holdingCurrencies = t.holdingCurrencies;
+  let holdingCurrenciesCurrentValue = t.holdingCurrenciesCurrentValue;
+  let bookCostPerAccount = t.bookCostPerAccount;
+  let currentValuePerAccount = t.currentValuePerAccount;
+
+  let maxAllocationPercent = (maxCurrentValueGBP / totalValueGBP) * 100;
+  let allocationScaleFactor = 100 / maxAllocationPercent;
+
+  let altRow = 1;
+
+  createTable();
+  for (let n = 0; n < holdings.length; n++) {
+    try {
+      altRow = !altRow;
+
+      let h = holdings[n];
+      let type = h.instrumentType == 'CURRENCY' ? '$' : h.instrumentType.substring(0, 1);
+      //let profitOrLoss = h.currentPrice < h.purchasePricePerUnit ? 'loss' : 'profit'; //let profitOrLoss = i.CurrentPrice < h.PurchasePricePerUnit ? 'loss' : 'profit';
+      let openOrClosed = h.marketIsOpen == 1 ? 'open' : 'closed';
+      let allocationPercent = h.currentValueGBP / totalValueGBP * 100;
+      let scaledAllocation = allocationScaleFactor * allocationPercent;
+
+      let rowID = "holdingRow_" + h.displayOrder + "_" + h.holdingNumber;
+      let row = '<tr' + (altRow ? ' class="altShareRow"' : '') + ' id="' + rowID + '">' +
+        '<td class="' + openOrClosed + '">' + type + '</td>' +
+        '<td class="' + openOrClosed + '">' + (h.displayName != '' ? h.displayName : h.instrumentName) + '</td>' +
+        '<td><a target="_blank" href="https://uk.finance.yahoo.com/quote/' + h.symbol + '">' + h.symbol + '</a>' + '</td>' +
+        '<td class="' + openOrClosed + '">' + h.currency + '</td>' +
+        '<td class="' + openOrClosed + '" title="' + (h.accountNames ? h.accountNames : '') + '">' + h.accountName + '</td>' +
+        '<td class="' + openOrClosed + '"' + (h.purchaseDateMin == h.purchaseDateMax ? ('>' + new Date(h.purchaseDateMin).yyyymmdd()) : (' title="' + new Date(h.purchaseDateMax).yyyymmdd() + ' - ' + new Date(h.purchaseDateMin).yyyymmdd() + '">' + new Date(h.purchaseDateMin).yyyymmdd()) + '+') + '</td>' +
+        //'<td class="num ' + openOrClosed + '">' + formatAmount(h.noUnits, '', 0) + '</td>' +
+        '<td class="num ' + openOrClosed + '">' + h.noUnits.autoScale() + '</td>' +
+        '<td class="num ' + openOrClosed + '">' + formatAmount(h.purchasePricePerUnit, h.currency, 2) + '</td>' + //Buy Price
+        '<td class="num ' + openOrClosed + '">' + (h.currentPrice ? formatAmount(h.currentPrice, h.currency, 2) : '') + '</td>' + //Current Price
+        '<td class="num ' + openOrClosed + '">' + formatAmount(h.currency == 'GBp' ? h.bookCost / 100 : h.bookCost, h.currency == 'GBp' ? 'GBP' : h.currency, 0) + '</td>' + //Book Cost
+        '<td class="num ' + openOrClosed + '">' + (h.currentExchangeRate ? formatAmount(h.currentValue, h.currency == 'GBp' ? 'GBP' : h.currency, 0) : '') + '</td>' + //Current Value
+        '<td class="num ' + profitOrLoss(h.currentPrice - h.purchasePricePerUnit) + '">' + (h.currentPrice ? formatAmount(h.gain, h.currency == 'GBp' ? 'GBP' : h.currency, 0) : '') + '</td>' + //Gain
+        '<td class="num ' + profitOrLoss(h.gainGBP) + '">' + (h.currentExchangeRate ? formatAmount(h.gainGBP, 'GBP', 0) : '') + '</td>' + //Gain £
+        '<td class="num ' + profitOrLoss(h.gainGBP) + '">' + (h.currentExchangeRate ? h.gainPercent.toFixed(1) + '%' : '') + '</td>' + //Gain %
+        '<td class="num ' + openOrClosed + '">' + (h.currentExchangeRate ? formatAmount(h.currentValueGBP, 'GBP', 0) : '') + '</td>' + //Current Value £
+        (h.currentExchangeRate ? getPercentCell('#3f2d95', 70, scaledAllocation, allocationPercent.toFixed(1) + '%') : '') + //Allocation
+        (h.currentExchangeRate ? (h.marketIsOpen == 0 ? '<td/>' : '<td class="num ' + h.singleDayProfitOrLoss + '">' + formatAmount(h.singleDayGainGBP, 'GBP', 0) + '</td>') : '') + //Today's Gain £
+        (h.singleDayGainPercent ? (h.marketIsOpen == 0 ? '<td/>' : '<td class="num ' + h.singleDayProfitOrLoss + '">' + h.singleDayGainPercent.toFixed(1) + '%</td>') : '<td/>') + //Today's Gain %
+        '</tr>';
+      addTableRow(rowID, row, "tbMainHoldings", true);
+    }
+    catch (err) {
+      logError("Error adding " + holdings[n].symbol + " to main holdings table: " + err.message);
+    }
+  }
+
+  //Add the totals line at the bottom of the table
+  //let profitOrLoss = totalValueGBP < totalBookCostGBP ? 'loss' : 'profit';
+  let todaysProfitOrLoss = todaysGainGBP < 0 ? 'loss' : 'profit';
+  let lSF = '';
+  if (vars.fetchTiming.lastSuccessfulFetch) {
+    let lastFetchAge = ((new Date()) - vars.fetchTiming.lastSuccessfulFetch);
+    let staleFetch = ((new Date()) - vars.fetchTiming.lastSuccessfulFetch) > (vars.fetchTiming.fetchIntervalSingleDay * 1.5);
+    lSF = (vars.fetchTiming.lastSuccessfulFetch ? ' - Last Successful Fetch: ' + (staleFetch ? '<span class="loss">' : '') + vars.fetchTiming.lastSuccessfulFetch.yyyymmddhhmmss() + (staleFetch ? '</span>' : '') : '');
+  }
+  let row = '<tr id="tfHoldingsTotals"><td></td><td id="holdingsLastUpdated" colspan="8">Updated: ' + new Date().yyyymmddhhmmss() + lSF + '</td>' +
+    '<td class="num">' + formatAmount(totalBookCostGBP, 'GBP', 0) + '</td>' + //Book Cost
+    '<td></td><td></td>' +
+    '<td class="num ' + profitOrLoss(totalValueGBP - totalBookCostGBP) + '">' + formatAmount(totalGainGBP, 'GBP', 0) + '</td>' + //Gain GBP
+    '<td class="num ' + profitOrLoss(totalValueGBP - totalBookCostGBP) + '">' + formatAmount((((totalValueGBP / totalBookCostGBP) - 1) * 100), '', 1) + '%</td>' + //Gain %
+    '<td class="num">' + formatAmount(totalValueGBP, 'GBP', 0) + '</td>' + //Current Value
+    '<td>&nbsp;</td>' + //Allocation
+    '<td class="num ' + todaysProfitOrLoss + '">' + formatAmount(todaysGainGBP, 'GBP', 0) + '</td>' + //Today's Gain GBP
+    //'<td class="num ' + todaysProfitOrLoss + '">' + formatAmount(((todaysGainGBP / totalBookCostGBP) * 100), '', 1) + '%</td>' + //Today's Gain %
+    '<td class="num ' + todaysProfitOrLoss + '">' + formatAmount(((todaysGainGBP / (totalValueGBP - todaysGainGBP)) * 100), '', 1) + '%</td>' + //Today's Gain %
+    '</tr>';
+  addTableRow("tfHoldingsTotals", row, "tfMainHoldings", false);
+
+  //Create the watchlist table
+  createWatchlistTable();
+  altRow = 1;
+  for (let n = 0; n < watchlist.length; n++) {
+    altRow = !altRow;
+    let wi = watchlist[n];
+    try {
+      let type = wi.InstrumentType == 'CURRENCY' ? '$' : wi.InstrumentType.substring(0, 1);
+      let openOrClosed = Instruments.MarketIsOpen(wi) == 1 ? 'open' : 'closed';
+      let profitOrLoss = wi.CurrentPrice < wi.SingleDayPreviousClose ? 'loss' : 'profit';
+      let rowID = "watchlistRow_" + wi.DisplayOrder;
+
+      let sinceLastSold = '<td></td>';
+      if (wi.LastSoldPrice) {
+        let delta = (wi.CurrentPrice - wi.LastSoldPrice) / wi.LastSoldPrice * 100;
+        let tooltip = new Date(wi.LastSoldDate).yyyymmdd() + ' @ ' + wi.LastSoldPrice.toFixed(2);
+        sinceLastSold = '<td title="' + tooltip + '" class="num ' + (delta < 0 ? 'loss' : 'profit') + '">' + (delta).toFixed(1) + '%</td>';
+      }
+
+      //Type, Name, Symbol, Ccy, Current Price, Today's Gain, Today's Gain %
+      let row = '<tr' + (altRow ? ' class="altShareRow"' : '') + ' id="' + rowID + '">' +
+        '<td class="' + openOrClosed + '">' + type + '</td>' +
+        '<td class="' + openOrClosed + '">' + wi.InstrumentName + '</td>' +
+        '<td><a target="_blank" href="https://uk.finance.yahoo.com/quote/' + wi.Symbol + '">' + wi.Symbol + '</a>' + '</td>' +
+        '<td class="' + openOrClosed + '">' + wi.Currency + '</td>' +
+        '<td class="num ' + openOrClosed + '">' + (wi.CurrentPrice ? formatAmount(wi.CurrentPrice, wi.Currency, 2) : '') + '</td>' + //Current Price
+        (Instruments.marketIsOpen == 0 ? '<td/>' : '<td class="num ' + profitOrLoss + '">' + (wi.CurrentPrice ? formatAmount(wi.CurrentPrice - wi.SingleDayPreviousClose, wi.Currency, 2) : '') + '</td>') + //Today's Gain
+        (Instruments.marketIsOpen == 0 ? '<td/>' : '<td class="num ' + profitOrLoss + '">' + (wi.CurrentPrice ? ((wi.CurrentPrice - wi.SingleDayPreviousClose) / wi.SingleDayPreviousClose * 100).toFixed(1) : '') + '</td>') + //Today's Gain %
+        //'<td>' + (new Date(wi.LastSoldDate)).yyyymmdd() + '</td>' +
+        sinceLastSold +
+        '</tr>';
+      addTableRow(rowID, row, "tbWatchlist", true);
+    }
+    catch (err) {
+      logError("Error adding " + wi.symbol + " to watchlist table: " + err.message);
+    }
+  }
+
+  //Flash the last updated cell
+  $("#holdingsLastUpdated").addClass("highlighted");
+  //Remove the highlight from all rows/cells
+  $("#tblMainHoldings").find(".highlighted").removeClass("highlighted", 1200);
+  $("#tblWatchlist").find(".highlighted").removeClass("highlighted", 1200);
+
+  //Tell tablesorter that the table has been updated
+  var resort = true;
+  $("#tblMainHoldings").trigger("update", [resort]);
+
+  //Update the daily holdings value table in the DB
+  if (totalValueGBP != vars.lastTotalHoldingsValue) {
+    $.ajax({
+      type: "POST",
+      contentType: "application/json",
+      url: "SharePrices.aspx/SetTotalHoldingsValue",
+      dataType: "json",
+      data: JSON.stringify({ TotalValue: totalValueGBP }),
+      success: function (response) {
+        vars.previousDay = response.PreviousDay;
+        vars.previousClose = response.PreviousClose;
+        vars.previousWeek = response.PreviousWeekDate;
+        vars.previousWeekClose = response.PreviousWeekClose;
+
+        //Update the total holdings span in the site banner
+        let formattedAmount = formatAmount(totalValueGBP, "GBP", 0);
+        let holdingsHTML = '<span style="font-size: small;">Total holdings:&nbsp;</span>' + '<span style="font-size: large">' + formattedAmount + '</span>&nbsp;';
+        holdingsHTML += '<span style="font-size: small;"><span class="' + (vars.previousClose < totalValueGBP ? 'profit">+' : 'loss">') + formatAmount(totalValueGBP - vars.previousClose, "GBP", 0) + '</span>&nbsp;(d)';
+        holdingsHTML += '&nbsp;/&nbsp;<span class="' + (vars.previousWeekClose < totalValueGBP ? 'profit">+' : 'loss">') + formatAmount(totalValueGBP - vars.previousWeekClose, "GBP", 0) + '</span>&nbsp;(w)</span>';
+        $("#spnTotalHoldings").html(holdingsHTML);
+        //Set the page title
+        document.title = formattedAmount + ' - ' + vars.initialPageTitle;
+
+        vars.lastTotalHoldingsValue = totalValueGBP;
+      },
+      failure: function (response) { console.error("SetTotalHoldingsValue error: " + JSON.stringify(response)); }
+    });
+  }
+
+  //Create / update the currency allocation pie chart
+  function labelFormatter(label, series) {
+    return "<div class='pieLabel'>" + label + "<br/>" + Math.round(series.percent) + "%<br>" + formatAmount(series.data[0][1], 'GBP', 0) + "</div>";
+  }
+  let ops = {
+    series: {
+      downsample: { threshold: 0 },
+      pie: { show: true, radius: 1, label: { show: true, radius: 0.7, formatter: labelFormatter } }
+    },
+    legend: { show: false },
+    grid: { hoverable: true },
+    tooltip: {
+      show: true,
+      content: "%p.0%, %s, n=%n", // show percentages, rounding to 2 decimal places
+      shifts: { x: 20, y: 0 },
+      defaultTheme: false
+    }
+  };
+  let cd = holdingCurrencies.getChartData();
+  if (cd.length) {
+    $.plot('#divHoldingCurrenciesChart', cd, ops);
+  }
+
+  cd = holdingCurrenciesCurrentValue.getChartData();
+  if (cd.length) {
+    $.plot('#divHoldingCurrenciesChartCurrentValue', cd, ops);
+  }
+
+  function labelFormatter2(label, series) {
+    return "<div class='pieLabel'>" + label + "<br/>" + formatAmount(series.data[0][1], 'GBP', 0) + "</div>";
+  }
+  ops.series.pie.label.formatter = labelFormatter2;
+  cd = bookCostPerAccount.getChartData();
+  if (cd.length) {
+    $.plot('#divAccountBookCost', cd, ops);
+  }
+
+  cd = currentValuePerAccount.getChartData();
+  if (cd.length) {
+    $.plot('#divAccountValue', cd, ops);
+  }
+}
+function createCategoryAggregator() {
+  let aggregator = {
+    data: [],
+    indexOfCategory: function (categoryName) { return this.data.map(function (item) { return item.categoryName; }).indexOf(categoryName); },
+    getCategory: function (categoryName) { return this.data[this.indexOfCategory(categoryName)]; },
+    addCategoryAmount: function (categoryName, amount) {
+      let c = this.getCategory(categoryName);
+      if (c) {
+        c.total += amount;
+      } else {
+        this.data.push({ categoryName: categoryName, total: amount });
+      }
+    },
+    getChartData: function () {
+      let d = []
+      for (let i = 0; i < this.data.length; i++) {
+        d.push({ label: this.data[i].categoryName, data: this.data[i].total });
+      }
+      return d;
+    }
+  };
+  return aggregator;
+}