Idiosyncratic Momentum and the Importance of the Asset Pricing Model
45 Pages Posted: 15 Jul 2020
Date Written: June 22, 2020
Using four different asset pricing models to estimate the residual returns, I show empirically that there are no material differences in the statistical and economic significance between idiosyncratic momentum strategies based on different asset-pricing models. I also show that idiosyncratic momentum is priced in the cross-section of returns, but spanned by a combination of risk factors when the combination includes price momentum. Despite being explained by common risk factors, the results suggest that idiosyncratic momentum is a stronger factor than price momentum and has a lower exposure to earnings momentum than price momentum.
Keywords: asset pricing, idiosyncratic momentum, momentum, stock-specific returns
JEL Classification: G11, G12, G14
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