Finance Department

 

Date of this Version

2012

Citation

JOURNAL OF FINANCIAL AND QUANTITATIVE ANALYSIS Vol. 47, No. 4, Aug. 2012, pp. 851–872; doi:10.1017/S0022109012000269

Comments

COPYRIGHT © 2012 MICHAEL G. FOSTER SCHOOL OF BUSINESS, UNIVERSITY OF WASHINGTON. Used by permission.

Abstract

This study tests whether belief differences affect the cross-sectional variation of riskneutral skewness using data on firm-level stock options traded on the Chicago Board Options Exchange from 2003 to 2006. We find that stocks with greater belief differences have more negative skews, even after controlling for systematic risk and other firm-level variables known to affect skewness. Factor analysis identifies latent variables linked to risk and belief differences. The belief factor explains more variation in the risk-neutral skewness than the risk-based factor. Our results suggest that belief differences may be one of the unexplained firm-specific components affecting skewness.

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