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Christian Jensen (Bocconi University)

23 September 2020 @ 12:00 - 13:15


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23 September 2020
12:00 - 13:15
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Academic Events

“The Ex Ante Physical Distributions of Individual Stock Returns”

Abstract: I present a method for deriving the entire physical return distributions of individual stocks directly from option prices. The method is theoretically nested in an equilibrium model, obeys the law-of-one-price, and can be implemented in real-time in a forward-looking manner. The method performs well out-of-sample in predicting ex-post distributions of individual stock returns. The physical stock distributions and the co-moments with the market are important for risk-management decisions, portfolio allocation, and can help understand the cross-section of returns. A tradeable long-short portfolio that buys (sells) low (high) co-skewness stocks yields a monthly five-factor alpha of 0.61% (t-stat 3.25). The equity risk factors: value, profitability, investments, momentum, and betting-against-beta all act as hedging tools against co-skewness risk.