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>
20 lines
459 B
Go
20 lines
459 B
Go
package finance
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// VWAP calcula el Volume Weighted Average Price.
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// prices y volumes deben tener la misma longitud.
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// Retorna 0 si el volumen total es 0 o los slices estan vacios.
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func VWAP(prices, volumes []float64) float64 {
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if len(prices) == 0 || len(prices) != len(volumes) {
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return 0
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}
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var cumPV, cumV float64
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for i := range prices {
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cumPV += prices[i] * volumes[i]
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cumV += volumes[i]
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}
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if cumV == 0 {
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return 0
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}
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return cumPV / cumV
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}
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