Mutual fund performance: a new way to pick a persistent winner Opinion A new academic paper introduces the MMT model, which improves upon standard methods by correcting for benchmark biases and incorporating peer performance, proving more effective at identifying persistent winner, writes Cesario Mateus, Irina B. Mateus and Natasa Todorovic In the ever-evolving world of finance, selecting mutual funds that consistently outperform the market is a challenge [...]