Volume 8, Issue 4
Jump Without Tears: a New Splitting Technology for Barrier Options

A. Itkin & P. Carr

DOI:

Int. J. Numer. Anal. Mod., 8 (2011), pp. 667-704

Published online: 2011-08

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  • Abstract

The market pricing of OTC FX options displays both stochastic volatility and stochastic skewness in the risk-neutral distribution governing currency returns. To capture this unique phenomenon Carr and Wu developed a model (SSM) with three dynamical state variables. They then used Fourier methods to value simple European-style options. However pricing exotic options requires numerical solution of 3D unsteady PIDE with mixed derivatives which is expensive. In this paper to achieve this goal we propose a new splitting technique. Being combined with another method of the authors, which uses pseudo-parabolic PDE instead of PIDE, this reduces the original 3D unsteady problem to a set of 1D unsteady PDEs, thus allowing a significant computational speedup. We demonstrate this technique for single and double barrier options priced using the SSM.

  • Keywords

Barrier options pricing stochastic skew jump-diffusion finite-difference scheme numerical method the Green function general stable tempered process

  • AMS Subject Headings

60J75 35M99 65L12 65L20 34B27 65T50

  • Copyright

COPYRIGHT: © Global Science Press

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