2002 | OriginalPaper | Chapter
Displaced and Mixture Diffusions for Analytically-Tractable Smile Models
Authors : Damiano Brigo, Fabio Mercurio
Published in: Mathematical Finance — Bachelier Congress 2000
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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We propose two different, classes of analytical models for the dynamics of an asset, price that, respectively lead to skews and smiles in the term structure of implied volatilities. Both classes are based on explicit, SDEs that, admit, unique strong solutions whose marginal densities are also provided. We then consider some particular examples in each class and explicitly calculate the European option prices implied by these models.