Journal
COMPUTATIONAL & APPLIED MATHEMATICS
Volume 38, Issue 4, Pages -Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s40314-019-0957-7
Keywords
Time fractional Black-Scholes model; European option; Radial basis functions; Collocation methods; Stability; Convergence
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The price variation of the correlated fractal transmission system is used to deduce the fractional Black-Scholes model that has an alpha-order time fractional derivative. The fractional Black-Scholes model is employed to price American or European call and put options on a stock paying on a non-dividend basis. Upon encountering fractional differential equations, the efficient and relatively reliable numerical schemes must be obtained for their solution due to fractional derivatives being non-local. The present paper is aimed at determining the numerical solution of the time fractional Black-Scholes model (TFBSM) with boundary conditions for a problem of European option pricing involved with the method of radial basis functions (RBFs), which is a truly meshfree scheme. The TFBSM is discretized in the temporal sense based on finite difference scheme of order O(delta t2-alpha)\<1 and approximated with the help of the RBF in the spatial derivative terms. In addition, the stability and convergence of the proposed method are theoretically proven. Numerical results illustrate the accuracy and efficiency of the presented technique which is examined in the present study.
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