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fn_registry/functions/finance/rsi.md
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egutierrez 113c6dfd71 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

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726 B
Markdown

---
name: rsi
kind: function
lang: go
domain: finance
version: "1.0.0"
purity: pure
signature: "func RSI(data []float64, period int) []float64"
description: "Calcula el Relative Strength Index (RSI) usando suavizado de Wilder."
tags: [finance, indicator, rsi, momentum]
uses_functions: []
uses_types: []
returns: []
returns_optional: false
error_type: ""
imports: []
tested: false
tests: []
test_file_path: ""
file_path: "functions/finance/rsi.go"
---
# rsi
Calcula el Relative Strength Index (RSI) con el metodo de suavizado de Wilder. Los primeros `period` elementos son 0. El RSI oscila entre 0 y 100.
## Ejemplo
```go
result := finance.RSI([]float64{44, 44.34, 44.09, 43.61, 44.33, 44.83, 45.10, 45.42, 45.84}, 5)
```