Arbitrage Opportunities in Misspecified Stochastic volatility Models

Rudra P. Jena and Peter Tankov

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Abstract: There is vast empirical evidence that given a set of assumptions on the real-world dynamics of an asset, the European options on this asset are not efficiently priced in options markets, giving rise to arbitrage opportunities. We study these opportunities in a generic stochastic volatility model and exhibit the strategies which maximize the arbitrage profit. In the case when the misspecified dynamics is a classical Black-Scholes one, we give a new interpretation of the classical butterfly and risk reversal contracts in terms of their (near) optimality for arbitrage strategies. Our results are illustrated by a numerical example including transaction costs.

Date: 2010-02, Revised 2011-09
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Citations: View citations in EconPapers (2)

Published in SIAM J. Finan. Math. 2, pp. 317-341 (2011)

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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:1002.5041

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