Double-sided balanced conditional Sharpe ratio

How to double a Sharpe ratio

Alternative investments have proved their worth. Witness the estimated $1 trillion under management in alternative assets, or the recent decision by major pension funds such as Calpers or British Telecomto to allocate up to 5% of their portfolio to alternative assets. And yet, standard risk-adjusted performance indicators often prove unsuitable for hedge funds, which rely on highly specific tec...

Sharpe Ratio Practice Note

The Sharpe Ratio Efficient Frontier

We evaluate the probability that an estimated Sharpe ratio exceeds a given threshold in presence of non-Normal returns. We show that this new uncertainty-adjusted investment skill metric (called Probabilistic Sharpe ratio, or PSR) has a number of important applications: First, it allows us to establish the track record length needed for rejecting the hypothesis that a measured Sharpe ratio is b...

The Sharpe Ratio Indifference Curve

Notes on the Sharpe ratio

Herein is an incomplete collection of facts about the Sharpe ratio, and the Sharpe ratio of the Markowitz portfolio. Connections between the Sharpe ratio and the t-test, and between the Markowitz portfolio and the Hotelling T 2 statistic are explored. Many classical results for testing means can be easily translated into tests on assets and portfolios. A ‘unified’ framework is described which c...