Short-time expansions for close-to-the-money options under a Lévy jump model with stochastic volatility

José Figueroa-López () and Sveinn Ólafsson ()

Finance and Stochastics, 2016, vol. 20, issue 1, 219-265

Abstract: In Figueroa-López et al. (Math. Finance, 2013 ), a second order approximation for at-the-money option prices is derived for a large class of exponential Lévy models, with or without a Brownian component. The purpose of the present article is twofold. First, we relax the regularity conditions imposed on the Lévy density to the weakest possible conditions for such an expansion to be well defined. Second, we show that the formulas extend both to the case of “close-to-the-money” strikes and to the case where the continuous Brownian component is replaced by an independent stochastic volatility process with leverage. Copyright Springer-Verlag Berlin Heidelberg 2016

Keywords: Exponential Lévy models; Stochastic volatility models; Short-time asymptotics; ATM option pricing; Implied volatility; 60G51; 60F99; 91G20; C6 (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s00780-015-0281-z

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