feat: 15 funciones finance — indicadores, riesgo e IO de mercado

11 funciones puras con implementación real: SMA, EMA, RSI, BollingerBands, VWAP, LogReturn, AnnualizedVolatility, SharpeRatio, MaxDrawdown, NormalizeOHLCV, TickToOHLCV 4 funciones impuras (stubs): FetchOHLCV, StreamTicks, WriteOHLCVToParquet, LoadOHLCVFromDuckDB Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-28 02:23:31 +01:00
parent 16e34a806e
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+---
+name: write_ohlcv_to_parquet
+kind: function
+lang: go
+domain: finance
+version: "1.0.0"
+purity: impure
+signature: "func WriteOHLCVToParquet(path string, data [][]float64) error"
+description: "Persiste datos OHLCV en un archivo Parquet en la ruta indicada."
+tags: [finance, io, parquet, persist]
+uses_functions: []
+uses_types: [ohlcv_go_finance]
+returns: []
+returns_optional: false
+error_type: "error_go_core"
+imports: [fmt]
+tested: false
+tests: []
+test_file_path: ""
+file_path: "functions/finance/write_ohlcv_to_parquet.go"
+---
+
+# write_ohlcv_to_parquet
+
+Stub para persistir datos OHLCV en formato Parquet. Pendiente de implementacion.
+
+## Ejemplo
+
+```go
+err := finance.WriteOHLCVToParquet("/data/btc_1h.parquet", ohlcvData)
+```