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fn_registry/functions/finance/annualized_volatility.md
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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-14 00:28:20 +02:00

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---
name: annualized_volatility
kind: function
lang: go
domain: finance
version: "1.0.0"
purity: pure
signature: "func AnnualizedVolatility(returns []float64, periodsPerYear float64) float64"
description: "Calcula la volatilidad anualizada a partir de una serie de retornos y la frecuencia de los periodos."
tags: [finance, volatility, risk, annualized, pendiente-usar]
uses_functions: []
uses_types: []
returns: []
returns_optional: false
error_type: ""
imports: [math]
params:
- name: returns
desc: "slice de retornos diarios/periódicos, valores típicamente entre -0.1 y 0.1 (ej: -2% = -0.02)"
- name: periodsPerYear
desc: "número de períodos por año (252 para diarios, 12 para mensuales, 52 para semanales)"
output: "volatilidad anualizada como ratio (ej: 0.25 = 25% volatilidad anual)"
tested: false
tests: []
test_file_path: ""
file_path: "functions/finance/annualized_volatility.go"
---
# annualized_volatility
Calcula la volatilidad anualizada como `stddev(returns) * sqrt(periodsPerYear)`. Usa desviacion estandar muestral (n-1).
## Ejemplo
```go
vol := finance.AnnualizedVolatility([]float64{0.01, -0.02, 0.015, 0.005, -0.01}, 252)
```