Sortino Ratio

What does it Mean? A ratio developed by Frank A. Sortino to differentiate between good and bad volatility in the Sharpe ratio. This differentiation of upwards and downwards volatility allows the calculation to provide a risk-adjusted measure of a security or fund's performance without penalizing it for upward price changes. It it is calculated as follows:

 
Investopedia Says... The Sortino ratio is similar to the Sharpe ratio, except it uses downside deviation for the denominator instead of standard deviation, the use of which doesn't discriminate between up and down volatility.


Terms Related Links

Alpha
Beta
Financial Modeling
Sharpe Ratio
Standard Deviation
Systematic Risk
Unsystematic Risk
Volatility

Terms Related Links
The Uses And Limits Of Volatility - Check out how the assumptions of theoretical risk models compare to actual market performance.

Understanding Volatility Measurements - How do you choose a fund with an optimal risk-reward combination? We teach you about standard deviation, beta and more!

Five Stats That Showcase Risk - These statistical measurements highlight how to mitigate risk and increase rewards.

The Sharpe Ratio Can Oversimplify Risk - When it comes to hedge funds, this measure is not reliable on its own.




add investopedia foot
www.investopedia.com