egutierrez
113c6dfd71
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>
35 lines
947 B
Markdown
35 lines
947 B
Markdown
---
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name: bollinger_bands
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kind: function
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lang: go
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domain: finance
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version: "1.0.0"
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purity: pure
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signature: "func BollingerBands(data []float64, period int, numStdDev float64) (upper, middle, lower []float64)"
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description: "Calcula las bandas de Bollinger (upper, middle, lower) para una serie de precios."
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tags: [finance, indicator, bollinger, bands]
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uses_functions: []
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uses_types: [bollinger_result_go_finance]
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returns: [bollinger_result_go_finance]
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returns_optional: false
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error_type: ""
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imports: [math]
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tested: false
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tests: []
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test_file_path: ""
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file_path: "functions/finance/bollinger_bands.go"
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---
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# bollinger_bands
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Calcula las bandas de Bollinger. La banda media es la SMA, y las bandas superior e inferior estan a `numStdDev` desviaciones estandar de la media. Usa desviacion estandar poblacional.
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## Ejemplo
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```go
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upper, middle, lower := finance.BollingerBands(
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[]float64{22, 24, 23, 25, 26, 28, 27, 29, 30, 28},
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5, 2.0,
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)
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```
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