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A direct solution method for pricing options involving the maximum process. (English) Zbl 1391.91155

The authors provide explicit solutions for optimal stopping problems related to a diffusion process and its running maximum. They use excursion theory for Markov processes and reformulate the original two-dimensional problem as an infinite number of one-dimensional ones. The solution method does not suppose the existence of an optimal threshold and does not impose a smooth-fit condition. The authors illustrate the method through classical and new examples.

MSC:

91G20 Derivative securities (option pricing, hedging, etc.)
60G40 Stopping times; optimal stopping problems; gambling theory
60J60 Diffusion processes
60H30 Applications of stochastic analysis (to PDEs, etc.)
Full Text: DOI

References:

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