Exercise 14.17 Consider a European call option with strike price K and maturity T. From (14.47), the
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Exercise 14.17 Consider a European call option with strike price K and maturity T. From (14.47), the option premium is given by
Note: It is known that the distribution function F(S, x) is non-increasing in S for all x > 0 if the stock price process is a diffusion. Hence, c′(K) is nonincreasing in S, so that the delta cS is non-increasing in the strike K in the case of diffusion. See Kijima (2002) for details.
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Stochastic Processes With Applications To Finance
ISBN: 9781439884829
2nd Edition
Authors: Masaaki Kijima
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