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Mathematical Finance Header


CONVERGENCE OF BARRIER OPTION PRICES IN THE BINOMIAL MODEL

Sat, 14 Apr 2012 05:32:05 GMT

In this paper, we study the rate of convergence of the European barrier call option price given by the CRR binomial model to the Black–Scholes price as the number of periods inline image tends to infinity. In general the error is of order inline image and we give explicit formulas for the coefficients of inline image and inline image in the asymptotic expansion of the error. These coefficients depend on the positions of the barrier and strike in the binomial lattice and enable us to give a rigorous explanation of the observed fact that the error is of order inline image when inline image is chosen in an appropriate way.

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