{"record":{"id":"f9c30702f54ad64b","repo":"HKUDS/Vibe-Trading","slug":"no-close-prices-returned-for-any-requested-symbol","errorCode":null,"errorMessage":"no close prices returned for any requested symbol","messagePattern":"no close prices returned for any requested symbol","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"agent/src/tools/portfolio_risk_tool.py","lineNumber":193,"sourceCode":"                if not isinstance(record, Mapping) or \"close\" not in record:\n                    continue\n                when = next((record[k] for k in _DATE_KEYS if k in record), None)\n                try:\n                    price = float(record[\"close\"])\n                except (TypeError, ValueError):\n                    continue\n                times.append(when)\n                prices.append(price)\n            if not prices:\n                continue\n            # Mixed typed/untyped timestamps can't be sorted together; when any\n            # bar lacks a date, trust loader order (chronological) instead.\n            if any(when is None for when in times):\n                series[sym] = pd.Series(prices, name=sym)\n            else:\n                series[sym] = pd.Series(prices, index=times, name=sym).sort_index()\n        if not series:\n            raise ValueError(\"no close prices returned for any requested symbol\")\n        return pd.DataFrame(series)\n","sourceCodeStart":175,"sourceCodeEnd":195,"githubUrl":"https://github.com/HKUDS/Vibe-Trading/blob/80ffdda44c5c4db0dd84d70e051cca591cea67df/agent/src/tools/portfolio_risk_tool.py#L175-L195","documentation":"Raised by PortfolioRiskTool._closes_frame after shaping the market-data fetch envelope: if not a single requested symbol produced a close-price series, an empty frame would make downstream risk math meaningless, so it aborts. This means the fetch returned bars for none of the symbols (or the payload had no usable close/date fields for any of them).","triggerScenarios":"Requesting a basket where every symbol ticker is invalid/delisted/renamed; the upstream market-data API returning an envelope with empty or missing 'bars'/'prices' arrays for all symbols; a payload schema change so the close-price extraction finds nothing.","commonSituations":"Typo'd or delisted tickers across the whole basket; API key or entitlement issues causing the loader to return empty results instead of an error; upstream API version changes altering the response envelope shape.","solutions":["Verify each requested symbol is a valid, currently listed ticker","Inspect the raw fetch envelope to confirm the loader actually returned bars (check for auth/entitlement errors surfacing as empty data)","Test with a single well-known symbol like AAPL to isolate basket-wide vs symbol-specific issues","If the envelope shape changed, update _closes_frame's shaping logic to match the new schema"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"try:\n    frame = tool._closes_frame(raw_payload, symbols)\nexcept ValueError as e:\n    if \"no close prices\" in str(e):\n        raise RuntimeError(f\"market data unavailable for {symbols}; check tickers/API access\") from e","preventionTips":["Validate tickers exist (e.g. via a symbol lookup endpoint) before requesting the full basket","Log the raw fetch envelope on empty results to distinguish bad symbols from API/auth failures","Request a small canary basket first to verify data availability"],"tags":["portfolio-risk","market-data","empty-response"],"backgroundTag":"empty-api-response","analyzedSha":"80ffdda44c5c4db0dd84d70e051cca591cea67df","analyzedAt":"2026-08-28T12:46:38.989Z","schemaVersion":2},"datasetVersion":"2026-08-28T16:17:29.566Z"}