Generalized Finite Integration Method with Laplace Transform for European Option Pricing under Black–Scholes and Heston Models
Engineering analysis with boundary elements(2024)
摘要
In this paper, we combine a recently developed Generalized Finite Integration Method (GFIM) with Laplace transform technique for pricing options under the Black Scholes model and Heston model respectively. Instead of using traditional time -stepping process, we first perform Laplace transform on the governing equation and boundary conditions to remove the temporal derivatives. The Generalized Finite Integration Method is then exploited to handle the spatial differential operators in the transformed space. From numerical Laplace inversion algorithm, we restore the required time -dependent option price. For verification, several option pricing models governed by one-dimensional Black-Scholes equation and two-dimensional extended Heston equation are constructed to demonstrate the efficiency and feasibility of the proposed approach.
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关键词
Generalized Finite Integration Method,Laplace transform,Option pricing,Black-Scholes model,Heston model
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