US Patent 7644011 Method and apparatus for determining investment manager skill

A method of evaluating an investment manager's skill includes determining a time frame including a plurality of time periods of a predefined duration over which to calculate statistics, generating a return distribution for each time period, obtaining return data for a manager for each given time period, standardizing the manager's return data for each given time period, and calculating measurement statistics to compare the manager's return data against the return distribution over the plurality of time periods.