It can be shown that when the payoff function is convex and decreasing (respectively increasing) with respect to the underlying (multidimensional) assets, then the same is true for the value of the associated American option, provided some conditions are satisfied. In such a case, all Monte Carlo methods proposed so far in the literature do not preserve the convexity or monotonicity properties. In this paper, we propose a method of approximation for American options which can preserveboth convexity and monotonicity. The resulting values can then be used to define exercise times and can also be used in combination with primal-dual methods to get sharper bounds. Other application of the algorithm include finding optimal hedging strategies. © Springer-Verlag Berlin Heidelberg 2012.
CITATION STYLE
Del Moral, P., Rémillard, B., & Rubenthaler, S. (2012). Monte Carlo Approximations of American Options that Preserve Monotonicity and Convexity. In Springer Proceedings in Mathematics (Vol. 12, pp. 115–143). https://doi.org/10.1007/978-3-642-25746-9_4
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