The pricing of lookback options and binomial approximation |
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Authors: | Karl Grosse-Erdmann Fabien Heuwelyckx |
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Affiliation: | 1.Département de Mathématique, Institut Complexys,Université de Mons,Mons,Belgium |
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Abstract: | Refining a discrete model of Cheuk and Vorst, we obtain a closed formula for the price of a European lookback option at any time between emission and maturity. We derive an asymptotic expansion of the price as the number of periods tends to infinity, thereby solving a problem posed by Lin and Palmer. We prove, in particular, that the price in the discrete model tends to the price in the continuous Black–Scholes model. Our results are based on an asymptotic expansion of the binomial cumulative distribution function that improves several recent results in the literature. |
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