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Trading in option contracts before large price changes: A comparative study of US and UK markets

Abstract : Previous studies indicate that traders in possession of important information are more likely to transact in option contracts rather than the underlying asset. This article examines stock option trading volume before significant price changes in the underlying stock for all S&P100 and FTSE 100 constituent stocks. Our findings indicate irregular option trading volume before a significant amount of large price changes. This effect is less pronounced in the UK market.
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https://hal-audencia.archives-ouvertes.fr/hal-01122593
Contributor : Sylvia Cheminel <>
Submitted on : Wednesday, March 4, 2015 - 11:18:48 AM
Last modification on : Thursday, March 5, 2015 - 1:07:56 AM

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Emilios C. Galariotis, Wu Rong, Spyros I. Spyrou. Trading in option contracts before large price changes: A comparative study of US and UK markets. Journal of derivatives & Hedge Funds, 2014, 20, pp.1-9. ⟨10.1057/jdhf.2014.8⟩. ⟨hal-01122593⟩

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