Informational Content of Option Volume Prior to Takeovers
Which market attracts informed investors prior to extreme informational events? We examine the information embedded in the stock and option markets prior to takeover announcements. Normally, buyer-seller initiated stock volume imbalances are predictors of next-day stock returns and option volume is uninformative. However, prior to takeover announcements, call-volume imbalances are strongly related to next-day stock returns. Cross-sectional analysis shows that takeover targets with the largest preannouncement call-imbalance increases experience the highest announcement-day returns. These findings suggest that, with pending extreme informational events, the options market plays an important role in price discovery.
Year of publication: |
2005
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Authors: | Cao, Charles ; Chen, Zhiwu ; Griffin, John M. |
Published in: |
The Journal of Business. - University of Chicago Press. - Vol. 78.2005, 3, p. 1073-1109
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Publisher: |
University of Chicago Press |
Saved in:
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