This study tests whether investor belief differences affect the cross-sectional variation of risk-neutral skewness, using data on firm-level stock options traded on the CBOE from 2003 to 2006. Using well known proxies for heterogeneous beliefs, we find that stocks with greater belief differences...

Investors typically cover a limited number of stocks and have some degree of correlation in their information sets. However, the role of this type of correlation in determining the return comovement between stock pairs is largely unexplored. In this study, we propose a new measure of common...