Disposition Effect Explained: Why Traders Sell Winners Too Early

Disposition Effect Explained: Why Traders Sell Winners Too Early

Last updated: April 2026 The disposition effect is the well-documented tendency of investors to sell winning positions too early and hold losing positions too long. Hersh Shefrin and Meir Statman named it in 1985; Terrance Odean’s 1998 study of 10,000 US brokerage accounts quantified it: winners are realized about 1.5 times more often than equivalent … Read more