Add onvista fallback for EU ETF/stock quotes in stonks script

bin/stonks

@@ -56,10 +56,10 @@ function savePortfolio(p) {
   fs.writeFileSync(PORTFOLIO_PATH, JSON.stringify(p, null, 2));
 }
 
-function finnhub(endpoint) {
+function httpGet(url) {
+  const mod = url.startsWith('https') ? https : require('http');
   return new Promise((resolve, reject) => {
-    const url = `https://finnhub.io/api/v1${endpoint}&token=${API_KEY}`;
-    https.get(url, (res) => {
+    mod.get(url, { headers: { 'User-Agent': 'Mozilla/5.0' } }, (res) => {
       let data = '';
       res.on('data', (c) => data += c);
       res.on('end', () => {
@@ -70,16 +70,84 @@ function finnhub(endpoint) {
   });
 }
 
-async function quote(symbol) {
-  const q = await finnhub(`/quote?symbol=${encodeURIComponent(symbol)}`);
-  if (!q || q.c === 0) {
-    console.error(`No data for ${symbol}. Try search to find the right symbol.`);
-    return null;
+function finnhub(endpoint) {
+  return httpGet(`https://finnhub.io/api/v1${endpoint}&token=${API_KEY}`);
+}
+
+// Onvista fallback for EU ETFs/stocks not covered by Finnhub
+async function onvistaSearch(query) {
+  const r = await httpGet(`https://api.onvista.de/api/v1/instruments/search?searchValue=${encodeURIComponent(query)}`);
+  return r && r.list ? r.list : [];
+}
+
+async function onvistaQuote(entityValue) {
+  const r = await httpGet(`https://api.onvista.de/api/v1/instruments/FUND/${entityValue}/snapshot`);
+  if (r && r.quote) return r.quote;
+  // Try STOCK type
+  const r2 = await httpGet(`https://api.onvista.de/api/v1/instruments/STOCK/${entityValue}/snapshot`);
+  return r2 && r2.quote ? r2.quote : null;
+}
+
+// ISIN-to-onvista entity cache
+const ONVISTA_CACHE_PATH = path.join(__dirname, '..', 'memory', 'onvista-cache.json');
+function loadOnvistaCache() {
+  try { return JSON.parse(fs.readFileSync(ONVISTA_CACHE_PATH, 'utf8')); } catch { return {}; }
+}
+function saveOnvistaCache(c) {
+  fs.writeFileSync(ONVISTA_CACHE_PATH, JSON.stringify(c, null, 2));
+}
+
+async function onvistaQuoteByISIN(isin, name) {
+  const cache = loadOnvistaCache();
+  let entityValue = cache[isin];
+  if (!entityValue) {
+    const results = await onvistaSearch(name || isin);
+    const match = results.find(r => r.isin === isin);
+    if (!match) return null;
+    entityValue = match.entityValue;
+    cache[isin] = entityValue;
+    saveOnvistaCache(cache);
   }
+  return onvistaQuote(entityValue);
+}
+
+async function quote(symbol) {
+  // First check if we have this in portfolio with ISIN — prefer onvista for EU instruments
+  const p = loadPortfolio();
+  const pos = p.positions.find(pos => pos.symbol === symbol || pos.symbol + '.DE' === symbol);
+  if (pos && pos.isin) {
+    try {
+      const oq = await onvistaQuoteByISIN(pos.isin, pos.name);
+      if (oq && oq.last) {
+        const change = oq.changeAbsolute || 0;
+        const changePct = oq.changePrevDay || 0;
+        console.log(`${symbol}\t${oq.last}\t${change >= 0 ? '+' : ''}${change.toFixed(2)}\t${changePct >= 0 ? '+' : ''}${changePct.toFixed(2)}%\tH:${oq.high || 'N/A'}\tL:${oq.low || 'N/A'}\tO:${oq.open || 'N/A'}\tPC:${oq.previousLast || 'N/A'}\t(onvista)`);
+        return { c: oq.last, d: change, dp: changePct, h: oq.high, l: oq.low, o: oq.open, pc: oq.previousLast };
+      }
+    } catch (e) {}
+  }
+  // Try Finnhub
+  const q = await finnhub(`/quote?symbol=${encodeURIComponent(symbol)}`);
+  if (q && q.c && q.c !== 0) {
     const change = q.d || 0;
     const changePct = q.dp || 0;
     console.log(`${symbol}\t${q.c}\t${change >= 0 ? '+' : ''}${change}\t${changePct >= 0 ? '+' : ''}${changePct}%\tH:${q.h}\tL:${q.l}\tO:${q.o}\tPC:${q.pc}`);
     return q;
+  }
+  // Last resort: check portfolio for ISIN without match above
+  if (pos && pos.isin) {
+    try {
+      const oq = await onvistaQuoteByISIN(pos.isin, pos.name);
+      if (oq && oq.last) {
+        const change = oq.changeAbsolute || 0;
+        const changePct = oq.changePrevDay || 0;
+        console.log(`${symbol}\t${oq.last}\t${change >= 0 ? '+' : ''}${change.toFixed(2)}\t${changePct >= 0 ? '+' : ''}${changePct.toFixed(2)}%\tH:${oq.high || 'N/A'}\tL:${oq.low || 'N/A'}\tO:${oq.open || 'N/A'}\tPC:${oq.previousLast || 'N/A'}\t(onvista)`);
+        return { c: oq.last, d: change, dp: changePct, h: oq.high, l: oq.low, o: oq.open, pc: oq.previousLast };
+      }
+    } catch (e) {}
+  }
+  console.error(`No data for ${symbol}. Try search to find the right symbol.`);
+  return null;
 }
 
 async function search(query) {
@@ -151,8 +219,20 @@ async function showPortfolio() {
     console.log('Symbol\tShares\tAvg Price\tCurrent\tValue\tP&L\tP&L%');
     for (const pos of p.positions) {
       try {
+        let currentPrice = null;
+        // Try onvista first for positions with ISIN (EU instruments)
+        if (pos.isin) {
+          try {
+            const oq = await onvistaQuoteByISIN(pos.isin, pos.name);
+            if (oq && oq.last) currentPrice = oq.last;
+          } catch (e) {}
+        }
+        // Fallback to Finnhub
+        if (!currentPrice) {
           const q = await finnhub(`/quote?symbol=${encodeURIComponent(pos.symbol)}`);
-        const currentPrice = q.c || pos.avgPrice;
+          if (q && q.c && q.c > 0) currentPrice = q.c;
+        }
+        currentPrice = currentPrice || pos.avgPrice;
         const value = pos.shares * currentPrice;
         const cost = pos.shares * pos.avgPrice;
         const pnl = value - cost;

memory/onvista-cache.json

@@ -0,0 +1,3 @@
+{
+  "IE000YYE6WK5": "241121751"
+}

memory/portfolio.json

@@ -1,10 +1,35 @@
 {
   "startingCapital": 1000,
-  "cash": 1000,
+  "cash": 300,
   "currency": "EUR",
-  "positions": [],
+  "positions": [
+    {
+      "symbol": "DFNS",
+      "name": "VanEck Defense UCITS ETF A",
+      "isin": "IE000YYE6WK5",
+      "buyDate": "2026-02-13",
+      "avgPrice": 55.93,
+      "shares": 12.516,
+      "amount": 700
+    }
+  ],
   "limitOrders": [],
-  "history": [],
+  "watchlist": [
+    { "symbol": "RHM.DE", "isin": "DE0007030009", "name": "Rheinmetall", "note": "Buy if major dip >10%" },
+    { "symbol": "XDWD.DE", "isin": "IE00BJ0KDQ92", "name": "Xtrackers MSCI World", "note": "Safe diversification option" }
+  ],
+  "history": [
+    {
+      "date": "2026-02-13",
+      "action": "BUY",
+      "symbol": "DFNS",
+      "isin": "IE000YYE6WK5",
+      "amount": 700,
+      "price": 55.93,
+      "reason": "European defense rearmament thesis. Diversified defense exposure via ETF. Strong momentum, geopolitical tailwinds."
+    }
+  ],
   "notes": "N26 uses Xetra tickers. Always provide ISIN for orders. Fractional shares by EUR amount supported.",
-  "created": "2026-02-12T20:00:00Z"
+  "created": "2026-02-12T20:00:00Z",
+  "lastUpdated": "2026-02-13T08:52:00Z"
 }