Volatilidade Anualizada
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
√252
About this calculator
The Annualized Volatility Calculator is a useful tool for investors who want to understand the risk of their investments over time. It calculates the annualized volatility of an asset, considering the daily volatility and the number of trading days in a year.
The formula used is quite simple: σ_anual = σ_dia · √252, where σ_anual is the annualized volatility, σ_dia is the daily volatility, and √252 is the square root of 252, which represents the number of trading days in a year.
It is crucial to use this calculator when evaluating the performance of an investment or comparing different investment options. Additionally, it is essential to be cautious when interpreting the results, as the annualized volatility can vary significantly depending on the time period considered.
Therefore, it is essential to use this calculator as part of a broader analysis, considering other factors such as the expected return, the investment period, and the investor's risk profile.
Frequently asked questions
What is annualized volatility?
Annualized volatility is a measure of the risk of an investment over time. It is calculated considering the daily volatility and the number of trading days in a year.
How is annualized volatility calculated?
Annualized volatility is calculated using the formula σ_anual = σ_dia · √252, where σ_anual is the annualized volatility, σ_dia is the daily volatility, and √252 is the square root of 252.
When should I use the annualized volatility calculator?
You should use the annualized volatility calculator when evaluating the performance of an investment or comparing different investment options.
What is important to consider when interpreting the results of the calculator?
It is essential to consider the time period considered, the investor's risk profile, and other factors that may affect the performance of the investment.
How can I use the results of the calculator to make investment decisions?
You can use the results of the calculator to compare different investment options, evaluate the risk of an investment, and make informed decisions about your investment portfolio.