Stock Price Jumps and Cross-Sectional Return Predictability

George J. Jiang and Tong Yao

Journal of Financial and Quantitative Analysis, 2013, vol. 48, issue 5, 1519-1544

Abstract: We identify large discontinuous changes, known as jumps, in daily stock prices and explore the role of jumps in cross-sectional stock return predictability. Our results show that small and illiquid stocks have higher jump returns to the extent that cross-sectional differences in jumps fully account for the size and illiquidity effects. Based on value-weighted portfolios, jumps also account for the value premium. On the other hand, jumps are not the cause of momentum or net share issue effects. The findings of our study shed new light on stock return dynamics and present challenges to conventional explanations of stock return predictability.

Date: 2013
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