---
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]
uses_functions: []
uses_types: []
returns: []
returns_optional: false
error_type: ""
imports: [math]
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)
```