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Integro-differential equations for option prices in exponential Lévy models


  • Rama Cont


  • Ekaterina Voltchkova



We explore the precise link between option prices in exponential Lévy models and the related partial integro-differential equations (PIDEs) in the case of European options and options with single or double barriers. We first discuss the conditions under which options prices are classical solutions of the PIDEs. We show that these conditions may fail in pure jump models and give examples of lack of smoothness of option prices with respect to the underlying. We give sufficient conditions on the Lévy triplet for the prices of barrier options to be continuous with respect to the underlying and show that, in a general setting, option prices in exp-Lévy models correspond to viscosity solutions of the pricing PIDE. Copyright Springer-Verlag Berlin/Heidelberg 2005

Suggested Citation

  • Rama Cont & Ekaterina Voltchkova, 2005. "Integro-differential equations for option prices in exponential Lévy models," Finance and Stochastics, Springer, vol. 9(3), pages 299-325, July.
  • Handle: RePEc:spr:finsto:v:9:y:2005:i:3:p:299-325
    DOI: 10.1007/s00780-005-0153-z

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    References listed on IDEAS

    1. Jouini Elyes & Kallal Hedi, 1995. "Martingales and Arbitrage in Securities Markets with Transaction Costs," Journal of Economic Theory, Elsevier, vol. 66(1), pages 178-197, June.
    2. repec:dau:papers:123456789/5630 is not listed on IDEAS
    3. repec:crs:wpaper:9513 is not listed on IDEAS
    4. repec:dau:papers:123456789/1850 is not listed on IDEAS
    5. Bruno Bouchard, 2006. "No-arbitrage in Discrete-time Markets with Proportional Transaction Costs and General Information structure," Finance and Stochastics, Springer, vol. 10(2), pages 276-297, April.
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