Signed Option Trading and Stock Market Anomalies

Systemic Risk Centre Seminar

Date: Monday, 13th March 2023   Time: 1.00 - 2.00pm GMT 
Venue: Room 1.06, The Conference Room, 1^st floor, Marshall Building (map)
Speaker: Xiao Xiao (Bayes Business School)
Seminar title: Signed Option Trading and Stock Market Anomalies

Abstract: This paper examines how options traders trade daily stock market mispricing measured by short-term past return and put-call option volatility spread. Anomaly return is 7.31 basis points per day when customer option traders trade along with the anomaly signal and is insignificant when they trade against it. This effect is more pronounced for out-of-money options. Copycat trades by other institutional investors and delta-hedging trades by option market makers help the correction of mispricing.

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