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Specification Analysis of Option Pricing Models Based on Time-Changed Levy Processes

Authors: Huang, Jing-zhi
Wu, Liuren
Issue Date: 13-May-2003
Series/Report no.: FIN-03-016
Abstract: We analyze the specifications of option pricing models based on time-changed Levy processes. We classify option pricing models based on the sucture of the jump component in the underlying return process, the source of stochastic volatility, and the specification of the volatility process itself. Our estimation of a variety of model specifications indicates that to better capture the behavior of the S&P 500 index options, we must incorporate a high frequency jump component in the return process and generate stochastic volatilities from two different sources, the jump component and the diffusion component.
Appears in Collections:Finance Working Papers

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