URL des Documents de travail : http://ces.univ-paris1.fr/cesdp/CESFramDP2008.htm - soumis à Journal of Empirical Finance.Documents de travail du Centre d'Economie de la Sorbonne 2008.47 - ISSN : 1955-611XIn this paper, we provide a new dynamic asset pricing model for plain vanilla options and we discuss its ability to produce minimum mispricing errors on equity option books. The data set is the daily log returns of the French CAC40 index, on the period January 2, 1988, October 26, 2007. Under the historical measure, we adjust, on this data set, an EGARCH model with Generalized Hyperbolic innovations. We have shown (Chorro, Guégan and Ielpo, 2008) that when the pricing kernel is an exponential affine function of the state variables, the risk...