Title
A contour integral method for the Black-Scholes and Heston equations A contour integral method for the Black-Scholes and Heston equations
Author
Faculty/Department
Faculty of Sciences. Mathematics and Computer Science
Publication type
article
Publication
Philadelphia, Pa ,
Subject
Computer. Automation
Source (journal)
SIAM journal on scientific computing. - Philadelphia, Pa
Volume/pages
33(2011) :2 , p. 763-785
ISSN
1064-8275
ISI
000289973500014
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A contour integral method recently proposed by Weideman [IMA J. Numer. Anal., 30 (2010), pp. 334350] for integrating semidiscrete advection-diffusion PDEs is improved and extended for application to some of the important equations of mathematical finance. Using estimates for the numerical range of the spatial operator, optimal contour parameters are derived theoretically and tested numerically. An improvement on the existing method is the use of Krylov methods for the shifted linear systems, the solution of which represents the major computational cost of the algorithm. A parallel implementation is also considered. Test examples presented are the BlackScholes PDE in one space dimension and the Heston PDE in two dimensions, for both vanilla and barrier options. In the Heston case efficiency is compared to ADI splitting schemes, and experiments show that the contour integral method is superior for the range of medium to high accuracy requirements.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/2b8058/cfacde5f.pdf
E-info
http://dx.doi.org/10.1137/090776081
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