Disasters Implied by Equity Index Options
44 Pages Posted: 18 Aug 2009 Last revised: 22 Feb 2023
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Disasters Implied by Equity Index Options
Disasters Implied by Equity Index Options
Date Written: August 2009
Abstract
We use prices of equity index options to quantify the impact of extreme events on asset returns. We define extreme events as departures from normality of the log of the pricing kernel and summarize their impact with high-order cumulants: skewness, kurtosis, and so on. We show that high-order cumulants are quantitatively important in both representative-agent models with disasters and in a statistical pricing model estimated from equity index options. Option prices thus provide independent confirmation of the impact of extreme events on asset returns, but they imply a more modest distribution of them.
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