We provide empirical evidence that the returns on US equity momentum exhibit a time-varying skewness which deepens during dramatic losses (crashes). As a result, the dynamics of the strategy expected returns reflects the time variation in both conditional volatility and skewness. This has first...

We decompose the time-variation in returns on anomaly portfolios into the effects of different investor types and their trading motives. Trading due to changes in investor preferences for observed stock characteristics explains nearly 50% of the variation, while the effects of changes in stock...