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333 lines
9.2 KiB
333 lines
9.2 KiB
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta content="width=device-width, initial-scale=1.0" name="viewport" />
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<title>Ghostfolio Chart Improvements Demo</title>
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<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
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<script src="https://cdn.jsdelivr.net/npm/date-fns@2.29.3/index.min.js"></script>
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<script src="https://cdn.jsdelivr.net/npm/chartjs-adapter-date-fns@3.0.0/dist/chartjs-adapter-date-fns.bundle.min.js"></script>
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<style>
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body {
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font-family: 'Inter', sans-serif;
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margin: 0;
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padding: 20px;
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background-color: #f5f5f5;
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}
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.container {
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max-width: 1200px;
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margin: 0 auto;
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}
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.chart-container {
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background: white;
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border-radius: 8px;
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box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
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padding: 20px;
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margin-bottom: 30px;
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}
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h1,
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h2 {
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color: #1976d2;
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}
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.description {
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background: #e3f2fd;
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border-left: 4px solid #1976d2;
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padding: 15px;
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margin: 20px 0;
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border-radius: 0 4px 4px 0;
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}
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.comparison {
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display: flex;
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gap: 20px;
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margin: 30px 0;
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}
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.comparison-panel {
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flex: 1;
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padding: 20px;
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border-radius: 8px;
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}
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.before {
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background: #ffebee;
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border: 1px solid #ffcdd2;
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}
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.after {
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background: #e8f5e9;
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border: 1px solid #c8e6c9;
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}
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.chart-wrapper {
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height: 400px;
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position: relative;
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}
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canvas {
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width: 100% !important;
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height: 100% !important;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<h1>Ghostfolio Chart Improvements Demo</h1>
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<div class="description">
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<h2>Visual Improvements for Portfolio Analysis Charts</h2>
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<p>
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This demo shows the improvements made to chart visual comparability in
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the Portfolio Analysis section. The key enhancements include:
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</p>
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<ul>
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<li>
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<strong>Date Range Filtering:</strong> Charts now properly scale to
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show only data within the selected time period
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</li>
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<li>
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<strong>Enhanced Visual Design:</strong> Improved color schemes,
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better spacing, and clearer data representation
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</li>
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<li>
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<strong>Better Readability:</strong> Cleaner axes, grid lines, and
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tooltips for easier analysis
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</li>
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</ul>
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</div>
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<h2>Portfolio Performance Comparison</h2>
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<div class="comparison">
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<div class="comparison-panel before">
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<h3>Before: Truncated/Unscaled Charts</h3>
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<p>
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Charts were not properly scaled when applying time period filters,
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making data difficult to read.
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</p>
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<div class="chart-wrapper">
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<canvas id="chartBefore"></canvas>
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</div>
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</div>
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<div class="comparison-panel after">
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<h3>After: Properly Scaled Charts</h3>
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<p>
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Charts now automatically adjust to show only the data within the
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selected time period with proper scaling.
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</p>
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<div class="chart-wrapper">
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<canvas id="chartAfter"></canvas>
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</div>
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</div>
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</div>
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<h2>Investment Timeline Comparison</h2>
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<div class="chart-container">
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<h3>Enhanced Investment Timeline Chart</h3>
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<p>
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Improved visualization with better color coding and clearer data
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representation.
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</p>
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<div class="chart-wrapper">
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<canvas id="investmentChart"></canvas>
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</div>
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</div>
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<h2>Dividend Timeline Comparison</h2>
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<div class="chart-container">
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<h3>Enhanced Dividend Timeline Chart</h3>
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<p>
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Better visual distinction for dividend data with improved readability.
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</p>
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<div class="chart-wrapper">
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<canvas id="dividendChart"></canvas>
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</div>
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</div>
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</div>
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<script>
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// Generate mock data
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function generateMockData(days = 365, startDate = new Date()) {
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const data = [];
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let value = 10000;
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for (let i = days; i >= 0; i--) {
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const date = new Date(startDate);
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date.setDate(date.getDate() - i);
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// Add some realistic fluctuations
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const change = (Math.random() - 0.5) * 200;
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value += change;
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data.push({
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date: date.toISOString().split('T')[0],
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value: value
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});
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}
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return data;
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}
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// Generate investment data
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function generateInvestmentData(months = 24) {
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const data = [];
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const today = new Date();
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for (let i = months; i >= 0; i--) {
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const date = new Date(today);
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date.setMonth(date.getMonth() - i);
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const investment = Math.random() * 2000 + 500;
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data.push({
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date: date.toISOString().split('T')[0],
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investment: investment
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});
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}
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return data;
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}
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// Generate dividend data
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function generateDividendData(months = 24) {
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const data = [];
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const today = new Date();
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for (let i = months; i >= 0; i--) {
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const date = new Date(today);
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date.setMonth(date.getMonth() - i);
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const dividend = Math.random() * 500 + 100;
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data.push({
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date: date.toISOString().split('T')[0],
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investment: dividend
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});
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}
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return data;
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}
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// Create a chart with the given configuration
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function createChart(canvasId, data, title, isInvestment = false) {
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const ctx = document.getElementById(canvasId).getContext('2d');
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// Filter data for last 6 months for "after" chart
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const sixMonthsAgo = new Date();
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sixMonthsAgo.setMonth(sixMonthsAgo.getMonth() - 6);
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let filteredData = data;
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if (canvasId === 'chartAfter') {
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filteredData = data.filter(
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(item) => new Date(item.date) >= sixMonthsAgo
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);
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}
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const chartData = {
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labels: filteredData.map((item) => item.date),
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datasets: [
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{
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label: isInvestment ? 'Investment' : 'Portfolio Value',
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data: filteredData.map((item) =>
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isInvestment ? item.investment : item.value
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),
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borderColor: isInvestment ? '#388e3c' : '#1976d2',
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backgroundColor: isInvestment
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? 'rgba(56, 142, 60, 0.1)'
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: 'rgba(25, 118, 210, 0.1)',
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borderWidth: 2,
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pointRadius: 0,
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fill: true,
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tension: 0
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}
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]
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};
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if (!isInvestment) {
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// Add benchmark data
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chartData.datasets.push({
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label: 'Benchmark (S&P 500)',
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data: filteredData.map(
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(item) =>
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(isInvestment ? item.investment : item.value) *
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(0.9 + Math.random() * 0.2)
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),
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borderColor: '#f57c00',
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backgroundColor: 'transparent',
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borderWidth: 2,
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pointRadius: 0,
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fill: false,
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tension: 0
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});
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}
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return new Chart(ctx, {
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type: 'line',
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data: chartData,
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options: {
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responsive: true,
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maintainAspectRatio: false,
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plugins: {
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title: {
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display: true,
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text: title
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},
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legend: {
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position: 'top'
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},
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tooltip: {
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mode: 'index',
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intersect: false
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}
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},
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scales: {
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x: {
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type: 'time',
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time: {
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unit: 'month'
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},
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grid: {
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display: false
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}
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},
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y: {
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beginAtZero: false,
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grid: {
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color: 'rgba(0, 0, 0, 0.05)'
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}
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}
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},
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interaction: {
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intersect: false,
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mode: 'index'
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}
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}
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});
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}
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// Initialize charts when the page loads
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document.addEventListener('DOMContentLoaded', function () {
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// Generate mock data
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const performanceData = generateMockData(365);
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const investmentData = generateInvestmentData(24);
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const dividendData = generateDividendData(24);
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// Create charts
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createChart(
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'chartBefore',
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performanceData,
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'Portfolio Performance (Full Year)'
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);
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createChart(
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'chartAfter',
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performanceData,
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'Portfolio Performance (Last 6 Months)'
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);
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createChart(
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'investmentChart',
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investmentData,
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'Investment Timeline',
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true
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);
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createChart('dividendChart', dividendData, 'Dividend Timeline', true);
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});
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</script>
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</body>
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</html>
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