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Article Dans Une Revue International Journal of Financial Engineering Année : 2017

Pricing European options and risk measurement under exponential Lévy models - a practical guide

Résumé

This paper provides a thorough survey of the European option pricing, with new trends in the risk measurement, under exponential Lévy models. We develop all steps of pricing from equivalent martingale measures construction to numerical valuation of the option price under these measures. We then construct an algorithm, based on Rockafellar and Uryasev representation and fast Fourier transform, to compute Risk indicators, like the VaR and the CVaR of derivatives. The results are illustrated with an example of each exponential Lévy class. The main contribution of this paper is to build a comprehensive study from the theoretical point of view to practical numerical illustration and to give a complete characterization of the studied equivalent martingale measures by discussing their similarity and their applicability in practice. Furthermore, this work proposes applications to the Fourier inversion technique in risk measurement.
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Dates et versions

hal-01322698 , version 1 (27-05-2016)
hal-01322698 , version 2 (18-11-2016)

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Khaled Salhi. Pricing European options and risk measurement under exponential Lévy models - a practical guide. International Journal of Financial Engineering, 2017, 2 (2-3), 1750016 (36 p.). ⟨10.1142/S2424786317500165⟩. ⟨hal-01322698v2⟩
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