Greg
37f8eac932
FastAPI application that ingests CFTC Commitments of Traders data into SQLite and exposes it via a REST API with analytics endpoints (screener, percentile rank, concentration). Includes CLI for historical and weekly data ingestion, Docker setup, and a frontend. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
626 lines
23 KiB
JavaScript
626 lines
23 KiB
JavaScript
// ── State ──────────────────────────────────────────────────────────────────
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const state = {
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view: 'detail',
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selectedCode: null,
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dateRange: '3Y',
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rowType: 'All',
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metric: 'noncomm_net',
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overlayOI: true,
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exchange: '',
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compareMarkets: [], // [{cftc_code, name, exchange_abbr, color}]
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compareMetric: 'noncomm_net',
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compareRange: '3Y',
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allCommodities: [], // full list from API
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};
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// ── API ────────────────────────────────────────────────────────────────────
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const API = {
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async get(path) {
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const r = await fetch(path);
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if (!r.ok) throw new Error(`${r.status} ${r.statusText}`);
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return r.json();
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},
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exchanges: () => API.get('/api/exchanges'),
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commodities: (exchange) => API.get('/api/commodities' + (exchange ? `?exchange=${exchange}` : '')),
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history: (code, fromDate, toDate, rowType) => {
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const p = new URLSearchParams({ row_type: rowType });
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if (fromDate) p.append('from_date', fromDate);
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if (toDate) p.append('to_date', toDate);
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return API.get(`/api/positions/${code}/history?${p}`);
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},
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extremes: (code) => API.get(`/api/positions/${code}/extremes`),
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percentile: (code, weeks) => API.get(`/api/analytics/${code}/net-position-percentile?lookback_weeks=${weeks}`),
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screener: (exchange, direction, lookback) => {
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const p = new URLSearchParams({ lookback_weeks: lookback, top_n: 200 });
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if (exchange) p.append('exchange', exchange);
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if (direction) p.append('direction', direction === 'long' ? 'long' : 'short');
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return API.get(`/api/analytics/screener?${p}`);
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},
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compare: (codes, metric, fromDate, toDate) => {
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const p = new URLSearchParams({ codes: codes.join(','), metric, row_type: 'All' });
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if (fromDate) p.append('from_date', fromDate);
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if (toDate) p.append('to_date', toDate);
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return API.get(`/api/positions/compare?${p}`);
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},
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};
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// ── Utilities ──────────────────────────────────────────────────────────────
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function fmt(v) {
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if (v === null || v === undefined) return '—';
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if (typeof v === 'number') {
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if (Math.abs(v) >= 1000000) return (v / 1000000).toFixed(2) + 'M';
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if (Math.abs(v) >= 1000) return (v / 1000).toFixed(1) + 'K';
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return v.toLocaleString();
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}
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return v;
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}
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function fmtPct(v) {
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if (v === null || v === undefined) return '—';
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return v.toFixed(1) + '%';
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}
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function fmtChange(v) {
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if (v === null || v === undefined) return '—';
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const s = (v >= 0 ? '+' : '') + fmt(v);
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return s;
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}
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function dateRangeToFrom(range) {
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if (range === 'Max') return null;
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const d = new Date();
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const years = { '1Y': 1, '3Y': 3, '5Y': 5 }[range] || 3;
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d.setFullYear(d.getFullYear() - years);
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return d.toISOString().split('T')[0];
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}
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const CHART_COLORS = [
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'#3b82f6', '#22c55e', '#f97316', '#a855f7',
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'#ec4899', '#14b8a6', '#eab308', '#ef4444',
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];
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// ── Charts ─────────────────────────────────────────────────────────────────
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let detailChart = null;
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let compareChart = null;
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function destroyChart(c) { if (c) { c.destroy(); } return null; }
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function buildDetailChart(data, metric, overlayOI) {
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detailChart = destroyChart(detailChart);
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const canvas = document.getElementById('detailChart');
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const ctx = canvas.getContext('2d');
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const labels = data.map(d => d.report_date);
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const metricLabel = document.getElementById('metricSelect').selectedOptions[0]?.text || metric;
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let values;
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if (metric === 'noncomm_net') {
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values = data.map(d => (d.noncomm_long ?? 0) - (d.noncomm_short ?? 0));
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} else if (metric === 'comm_net') {
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values = data.map(d => (d.comm_long ?? 0) - (d.comm_short ?? 0));
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} else {
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values = data.map(d => d[metric] ?? null);
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}
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const datasets = [{
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type: 'line',
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label: metricLabel,
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data: values,
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borderColor: '#3b82f6',
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backgroundColor: 'rgba(59,130,246,0.08)',
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fill: true,
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tension: 0.2,
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pointRadius: data.length < 60 ? 3 : 0,
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pointHoverRadius: 5,
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borderWidth: 2,
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yAxisID: 'y',
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order: 1,
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}];
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const scales = {
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x: {
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ticks: { color: '#6b7280', maxTicksLimit: 8, maxRotation: 0 },
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grid: { color: '#2d3148' },
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},
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y: {
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position: 'left',
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ticks: { color: '#6b7280', callback: v => fmt(v) },
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grid: { color: '#2d3148' },
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},
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};
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if (overlayOI) {
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datasets.push({
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type: 'bar',
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label: 'Open Interest',
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data: data.map(d => d.open_interest ?? null),
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backgroundColor: 'rgba(156,163,175,0.15)',
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borderColor: 'rgba(156,163,175,0.3)',
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borderWidth: 1,
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yAxisID: 'y1',
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order: 2,
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});
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scales.y1 = {
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position: 'right',
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ticks: { color: '#4b5563', callback: v => fmt(v) },
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grid: { drawOnChartArea: false },
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};
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}
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detailChart = new Chart(ctx, {
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type: 'bar',
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data: { labels, datasets },
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options: {
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responsive: true,
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maintainAspectRatio: false,
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interaction: { mode: 'index', intersect: false },
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plugins: {
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legend: { labels: { color: '#9ca3af', boxWidth: 12 } },
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tooltip: {
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backgroundColor: '#1a1d27',
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borderColor: '#2d3148',
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borderWidth: 1,
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titleColor: '#e2e8f0',
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bodyColor: '#9ca3af',
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callbacks: {
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label: (ctx) => ` ${ctx.dataset.label}: ${fmt(ctx.parsed.y)}`,
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},
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},
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},
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scales,
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},
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});
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}
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function buildCompareChart(seriesData, commodities, metric) {
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compareChart = destroyChart(compareChart);
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const canvas = document.getElementById('compareChart');
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const ctx = canvas.getContext('2d');
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const allDates = [...new Set(
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Object.values(seriesData).flatMap(pts => pts.map(p => p.report_date))
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)].sort();
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const datasets = state.compareMarkets.map((m, i) => {
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const pts = seriesData[m.cftc_code] || [];
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const byDate = Object.fromEntries(pts.map(p => [p.report_date, p.value]));
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return {
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label: m.name,
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data: allDates.map(d => byDate[d] ?? null),
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borderColor: m.color,
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backgroundColor: 'transparent',
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tension: 0.2,
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pointRadius: allDates.length < 60 ? 3 : 0,
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pointHoverRadius: 5,
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borderWidth: 2,
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spanGaps: false,
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};
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});
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compareChart = new Chart(ctx, {
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type: 'line',
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data: { labels: allDates, datasets },
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options: {
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responsive: true,
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maintainAspectRatio: false,
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interaction: { mode: 'index', intersect: false },
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plugins: {
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legend: { labels: { color: '#9ca3af', boxWidth: 12 } },
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tooltip: {
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backgroundColor: '#1a1d27',
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borderColor: '#2d3148',
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borderWidth: 1,
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titleColor: '#e2e8f0',
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bodyColor: '#9ca3af',
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callbacks: {
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label: (ctx) => ` ${ctx.dataset.label}: ${fmt(ctx.parsed.y)}`,
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},
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},
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},
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scales: {
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x: { ticks: { color: '#6b7280', maxTicksLimit: 8, maxRotation: 0 }, grid: { color: '#2d3148' } },
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y: { ticks: { color: '#6b7280', callback: v => fmt(v) }, grid: { color: '#2d3148' } },
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},
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},
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});
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}
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// ── Market sidebar ─────────────────────────────────────────────────────────
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function buildMarketTree(commodities, filter = '') {
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const tree = document.getElementById('market-tree');
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const groups = {};
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const q = filter.toLowerCase();
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for (const c of commodities) {
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const matches = !q || c.name.toLowerCase().includes(q) || c.exchange_abbr.toLowerCase().includes(q);
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if (!matches) continue;
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if (!groups[c.exchange_abbr]) groups[c.exchange_abbr] = [];
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groups[c.exchange_abbr].push(c);
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}
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tree.innerHTML = '';
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for (const [exch, list] of Object.entries(groups)) {
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const grp = document.createElement('div');
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grp.className = 'exchange-group';
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const lbl = document.createElement('div');
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lbl.className = 'exchange-label';
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lbl.textContent = exch;
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lbl.addEventListener('click', () => {
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lbl.classList.toggle('collapsed');
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ul.classList.toggle('hidden');
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});
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const ul = document.createElement('div');
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ul.className = 'market-list';
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for (const c of list) {
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const item = document.createElement('div');
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item.className = 'market-item' + (c.cftc_code === state.selectedCode ? ' active' : '');
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item.textContent = c.name;
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item.title = c.name;
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item.dataset.code = c.cftc_code;
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item.addEventListener('click', () => selectMarket(c.cftc_code));
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ul.appendChild(item);
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}
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grp.appendChild(lbl);
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grp.appendChild(ul);
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tree.appendChild(grp);
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}
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}
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// ── Detail view logic ──────────────────────────────────────────────────────
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async function selectMarket(code) {
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state.selectedCode = code;
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document.querySelectorAll('.market-item').forEach(el => {
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el.classList.toggle('active', el.dataset.code === code);
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});
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document.getElementById('detail-placeholder').style.display = 'none';
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document.getElementById('detail-content').style.display = 'flex';
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document.getElementById('detail-content').style.flexDirection = 'column';
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document.getElementById('detail-content').style.gap = '12px';
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const meta = state.allCommodities.find(c => c.cftc_code === code);
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if (meta) {
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document.getElementById('detail-title').textContent = meta.name;
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document.getElementById('detail-exchange').textContent = meta.exchange_abbr;
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document.getElementById('detail-unit').textContent = meta.contract_unit || '';
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}
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await refreshDetailChart();
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}
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async function refreshDetailChart() {
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if (!state.selectedCode) return;
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const fromDate = dateRangeToFrom(state.dateRange);
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try {
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const [hist, pctileData] = await Promise.all([
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API.history(state.selectedCode, fromDate, null, state.rowType),
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API.percentile(state.selectedCode, 156).catch(() => null),
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]);
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const data = hist.data;
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if (!data.length) return;
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buildDetailChart(data, state.metric, state.overlayOI);
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// Stats bar
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const latest = data[data.length - 1];
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const metricValues = data.map(d => {
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if (state.metric === 'noncomm_net') return (d.noncomm_long ?? 0) - (d.noncomm_short ?? 0);
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if (state.metric === 'comm_net') return (d.comm_long ?? 0) - (d.comm_short ?? 0);
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return d[state.metric];
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}).filter(v => v !== null);
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const currentVal = metricValues[metricValues.length - 1];
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const maxVal = Math.max(...metricValues);
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const minVal = Math.min(...metricValues);
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const statCurrent = document.getElementById('statCurrent');
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statCurrent.textContent = fmt(currentVal);
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statCurrent.className = 'stat-value' + (currentVal > 0 ? ' positive' : currentVal < 0 ? ' negative' : '');
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document.getElementById('statMax').textContent = fmt(maxVal);
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document.getElementById('statMin').textContent = fmt(minVal);
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if (pctileData?.percentile !== null && pctileData?.percentile !== undefined) {
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document.getElementById('statPctile').textContent = fmtPct(pctileData.percentile);
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} else {
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document.getElementById('statPctile').textContent = '—';
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}
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// Week change for non-comm net
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const chgLong = latest.chg_noncomm_long;
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const chgShort = latest.chg_noncomm_short;
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if (chgLong !== null && chgShort !== null) {
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const netChg = chgLong - chgShort;
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const el = document.getElementById('statChange');
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el.textContent = fmtChange(netChg) + ' net';
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el.className = 'stat-value' + (netChg > 0 ? ' positive' : netChg < 0 ? ' negative' : '');
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}
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} catch (e) {
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console.error('Failed to load chart data:', e);
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}
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}
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// ── Screener view ──────────────────────────────────────────────────────────
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async function loadScreener() {
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const exchange = document.getElementById('screenerExchange').value;
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const dirSel = document.getElementById('screenerDirection').value;
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const lookback = document.getElementById('screenerLookback').value;
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// Map UI direction to API direction
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let direction = '';
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if (dirSel === 'long') direction = 'long';
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else if (dirSel === 'short') direction = 'short';
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const tbody = document.getElementById('screenerBody');
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tbody.innerHTML = '<tr><td colspan="7" style="text-align:center;padding:20px;color:#6b7280">Loading...</td></tr>';
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try {
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let rows = await API.screener(exchange, direction, lookback);
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// Client-side direction filter (the API `direction` param filters by >=50 or <50,
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// but UI wants >=70 and <=30 for "extreme")
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if (dirSel === 'long') rows = rows.filter(r => r.pct_rank >= 70);
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else if (dirSel === 'short') rows = rows.filter(r => r.pct_rank <= 30);
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tbody.innerHTML = '';
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for (const row of rows) {
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const pct = row.pct_rank;
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const pctClass = pct >= 70 ? 'extreme-long' : pct <= 30 ? 'extreme-short' : 'neutral';
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const netChg = (row.chg_noncomm_long ?? 0) - (row.chg_noncomm_short ?? 0);
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const tr = document.createElement('tr');
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tr.innerHTML = `
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<td><strong>${row.commodity}</strong></td>
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<td><span class="badge">${row.exchange}</span></td>
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<td class="num">${fmt(row.noncomm_net)}</td>
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<td class="num">${fmt(row.open_interest)}</td>
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<td class="num pctile-cell ${pctClass}">
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<span class="pctile-bar" style="width:${Math.round((pct || 0) * 0.6)}px"></span>
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${pct !== null ? fmtPct(pct) : '—'}
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</td>
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<td class="num ${row.chg_noncomm_long > 0 ? 'extreme-long' : row.chg_noncomm_long < 0 ? 'extreme-short' : ''}">${fmtChange(row.chg_noncomm_long)}</td>
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<td class="num ${row.chg_noncomm_short < 0 ? 'extreme-long' : row.chg_noncomm_short > 0 ? 'extreme-short' : ''}">${fmtChange(row.chg_noncomm_short)}</td>
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`;
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tr.addEventListener('click', () => {
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switchView('detail');
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selectMarket(row.cftc_code);
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});
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tbody.appendChild(tr);
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}
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if (!rows.length) {
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tbody.innerHTML = '<tr><td colspan="7" style="text-align:center;padding:20px;color:#6b7280">No markets match the current filters.</td></tr>';
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}
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} catch (e) {
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tbody.innerHTML = `<tr><td colspan="7" style="text-align:center;padding:20px;color:#ef4444">Error: ${e.message}</td></tr>`;
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}
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}
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// ── Compare view ───────────────────────────────────────────────────────────
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function renderCompareTags() {
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const container = document.getElementById('compareTags');
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container.innerHTML = '';
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state.compareMarkets.forEach((m, i) => {
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const tag = document.createElement('div');
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tag.className = 'compare-tag';
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tag.style.background = m.color;
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tag.innerHTML = `${m.name} <button class="compare-tag-remove" data-code="${m.cftc_code}">×</button>`;
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tag.querySelector('button').addEventListener('click', (e) => {
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e.stopPropagation();
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removeCompareMarket(m.cftc_code);
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});
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container.appendChild(tag);
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});
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}
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function addCompareMarket(commodity) {
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if (state.compareMarkets.find(m => m.cftc_code === commodity.cftc_code)) return;
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if (state.compareMarkets.length >= 8) return;
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state.compareMarkets.push({
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...commodity,
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color: CHART_COLORS[state.compareMarkets.length % CHART_COLORS.length],
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});
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renderCompareTags();
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loadCompareChart();
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}
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function removeCompareMarket(code) {
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state.compareMarkets = state.compareMarkets.filter(m => m.cftc_code !== code);
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// Reassign colors
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state.compareMarkets.forEach((m, i) => { m.color = CHART_COLORS[i % CHART_COLORS.length]; });
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renderCompareTags();
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loadCompareChart();
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}
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async function loadCompareChart() {
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const placeholder = document.getElementById('comparePlaceholder');
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const canvas = document.getElementById('compareChart');
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if (!state.compareMarkets.length) {
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placeholder.style.display = 'flex';
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canvas.style.display = 'none';
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compareChart = destroyChart(compareChart);
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return;
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}
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placeholder.style.display = 'none';
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canvas.style.display = 'block';
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const fromDate = dateRangeToFrom(state.compareRange);
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const codes = state.compareMarkets.map(m => m.cftc_code);
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try {
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const resp = await API.compare(codes, state.compareMetric, fromDate, null);
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buildCompareChart(resp.series, resp.commodities, state.compareMetric);
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} catch (e) {
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console.error('Compare chart error:', e);
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}
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||
}
|
||
|
||
// ── Compare autocomplete ───────────────────────────────────────────────────
|
||
function setupCompareSearch() {
|
||
const input = document.getElementById('compareSearch');
|
||
const dropdown = document.getElementById('compareDropdown');
|
||
|
||
input.addEventListener('input', () => {
|
||
const q = input.value.trim().toLowerCase();
|
||
if (!q) { dropdown.style.display = 'none'; return; }
|
||
|
||
const matches = state.allCommodities
|
||
.filter(c => c.name.toLowerCase().includes(q) || c.exchange_abbr.toLowerCase().includes(q))
|
||
.slice(0, 10);
|
||
|
||
dropdown.innerHTML = '';
|
||
if (!matches.length) { dropdown.style.display = 'none'; return; }
|
||
|
||
matches.forEach(c => {
|
||
const item = document.createElement('div');
|
||
item.className = 'autocomplete-item';
|
||
item.innerHTML = `${c.name} <span class="autocomplete-item-exchange">${c.exchange_abbr}</span>`;
|
||
item.addEventListener('click', () => {
|
||
addCompareMarket(c);
|
||
input.value = '';
|
||
dropdown.style.display = 'none';
|
||
});
|
||
dropdown.appendChild(item);
|
||
});
|
||
dropdown.style.display = 'block';
|
||
});
|
||
|
||
document.addEventListener('click', (e) => {
|
||
if (!input.contains(e.target) && !dropdown.contains(e.target)) {
|
||
dropdown.style.display = 'none';
|
||
}
|
||
});
|
||
}
|
||
|
||
// ── View switching ─────────────────────────────────────────────────────────
|
||
function switchView(view) {
|
||
state.view = view;
|
||
document.querySelectorAll('.view').forEach(el => { el.style.display = 'none'; });
|
||
document.querySelectorAll('.tab-btn').forEach(btn => {
|
||
btn.classList.toggle('active', btn.dataset.view === view);
|
||
});
|
||
document.getElementById(`view-${view}`).style.display = view === 'detail' ? 'flex' : 'flex';
|
||
document.getElementById(`view-${view}`).style.flexDirection = view === 'detail' ? 'row' : 'column';
|
||
|
||
if (view === 'screener') loadScreener();
|
||
if (view === 'compare') renderCompareTags();
|
||
}
|
||
|
||
// ── Populate exchange dropdowns ────────────────────────────────────────────
|
||
async function populateExchangeDropdowns(exchanges) {
|
||
['exchangeFilter', 'screenerExchange'].forEach(id => {
|
||
const sel = document.getElementById(id);
|
||
exchanges.forEach(e => {
|
||
const opt = document.createElement('option');
|
||
opt.value = e.exchange_abbr;
|
||
opt.textContent = `${e.exchange_abbr} (${e.commodity_count})`;
|
||
sel.appendChild(opt);
|
||
});
|
||
});
|
||
}
|
||
|
||
// ── Init ───────────────────────────────────────────────────────────────────
|
||
async function init() {
|
||
try {
|
||
const [exchanges, commodities] = await Promise.all([
|
||
API.exchanges(),
|
||
API.commodities(),
|
||
]);
|
||
|
||
state.allCommodities = commodities;
|
||
await populateExchangeDropdowns(exchanges);
|
||
buildMarketTree(commodities);
|
||
|
||
// Select first commodity by default
|
||
if (commodities.length > 0) {
|
||
selectMarket(commodities[0].cftc_code);
|
||
}
|
||
} catch (e) {
|
||
console.error('Init failed:', e);
|
||
}
|
||
}
|
||
|
||
// ── Event listeners ────────────────────────────────────────────────────────
|
||
document.addEventListener('DOMContentLoaded', () => {
|
||
// Tab switching
|
||
document.querySelectorAll('.tab-btn').forEach(btn => {
|
||
btn.addEventListener('click', () => switchView(btn.dataset.view));
|
||
});
|
||
|
||
// Exchange filter (sidebar)
|
||
document.getElementById('exchangeFilter').addEventListener('change', async (e) => {
|
||
state.exchange = e.target.value;
|
||
const filtered = state.allCommodities.filter(c =>
|
||
!state.exchange || c.exchange_abbr === state.exchange
|
||
);
|
||
buildMarketTree(filtered);
|
||
});
|
||
|
||
// Market search
|
||
document.getElementById('marketSearch').addEventListener('input', (e) => {
|
||
const q = e.target.value;
|
||
const filtered = state.allCommodities.filter(c =>
|
||
!state.exchange || c.exchange_abbr === state.exchange
|
||
);
|
||
buildMarketTree(filtered, q);
|
||
});
|
||
|
||
// Date range buttons
|
||
document.querySelectorAll('.range-btn').forEach(btn => {
|
||
btn.addEventListener('click', () => {
|
||
document.querySelectorAll('.range-btn').forEach(b => b.classList.remove('active'));
|
||
btn.classList.add('active');
|
||
state.dateRange = btn.dataset.range;
|
||
refreshDetailChart();
|
||
});
|
||
});
|
||
|
||
// Row type buttons
|
||
document.querySelectorAll('.rt-btn').forEach(btn => {
|
||
btn.addEventListener('click', () => {
|
||
document.querySelectorAll('.rt-btn').forEach(b => b.classList.remove('active'));
|
||
btn.classList.add('active');
|
||
state.rowType = btn.dataset.rt;
|
||
refreshDetailChart();
|
||
});
|
||
});
|
||
|
||
// Metric select
|
||
document.getElementById('metricSelect').addEventListener('change', (e) => {
|
||
state.metric = e.target.value;
|
||
refreshDetailChart();
|
||
});
|
||
|
||
// OI overlay checkbox
|
||
document.getElementById('overlayOI').addEventListener('change', (e) => {
|
||
state.overlayOI = e.target.checked;
|
||
refreshDetailChart();
|
||
});
|
||
|
||
// Screener
|
||
document.getElementById('screenerRefresh').addEventListener('click', loadScreener);
|
||
document.getElementById('screenerDirection').addEventListener('change', loadScreener);
|
||
document.getElementById('screenerLookback').addEventListener('change', loadScreener);
|
||
document.getElementById('screenerExchange').addEventListener('change', loadScreener);
|
||
|
||
// Compare
|
||
document.getElementById('compareMetric').addEventListener('change', (e) => {
|
||
state.compareMetric = e.target.value;
|
||
loadCompareChart();
|
||
});
|
||
document.getElementById('compareRange').addEventListener('change', (e) => {
|
||
state.compareRange = e.target.value;
|
||
loadCompareChart();
|
||
});
|
||
|
||
setupCompareSearch();
|
||
init();
|
||
});
|