Unspanned Stochastic Volatility and the Pricing of Commodity Derivatives

Trolle, Anders B.; Schwartz, Eduardo S.

Unspanned Stochastic Volatility and the Pricing of Commodity Derivatives

Anders B. Trolle and Eduardo S. Schwartz

The Review of Financial Studies, 2009, vol. 22, issue 11, 4423-4461

Abstract: Commodity derivatives are becoming an increasingly important part of the global derivatives market. Here we develop a tractable stochastic volatility model for pricing commodity derivatives. The model features unspanned stochastic volatility, quasi-analytical prices of options on futures contracts, and dynamics of the futures curve in terms of a low-dimensional affine state vector. We estimate the model on NYMEX crude oil derivatives using an extensive panel data set of 45,517 futures prices and 233,104 option prices, spanning 4082 business days. We find strong evidence for two predominantly unspanned volatility factors. The Author 2009. Published by Oxford University Press on behalf of The Society for Financial Studies. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org., Oxford University Press.

Date: 2009
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