Systematic patterns in returns following earnings announcements are difficult to interpret. This study provides additional insights into the observation of price reversal and drift by examining the effects of both the method used to identify winners and losers and also the length of the...

Prior studies show that option listing and subsequent trading improve a firm's information environment and that the price-earnings relation is influenced by characteristics of the information environment. Motivated by these research findings, we examine whether option trading is associated with...

Systematic patterns in returns following earnings announcements are difficult to interpret. This study provides additional insights into the observation of price reversal and drift by examining the effects of both the method used to identify winners and losers and also the length of the...