Modigliani risk-adjusted performance
Modigliani risk-adjusted performance (also known as M2, M2, Modigliani–Modigliani measure or RAP) is a measure of the risk-adjusted returns of some investment portfolio. It measures the returns of the portfolio, adjusted for the risk of the portfolio relative to that of some benchmark (e.g., the market).
Source: Wikipedia — Modigliani risk-adjusted performance (CC BY-SA 4.0)