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Evaluation of American strangles
This paper presents a generalisation of McKean's free boundary value problem for American options by considering an American strangle position, where exercising one side of the payoff early knocks-out the remaining side. The Fourier transform technique is used to derive a coupled integral equat...
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Published in: | Journal of economic dynamics & control 2005, Vol.29 (1), p.31-62 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | This paper presents a generalisation of McKean's free boundary value problem for American options by considering an American strangle position, where exercising one side of the payoff early knocks-out the remaining side. The Fourier transform technique is used to derive a coupled integral equation system for the strangle's free boundaries. A numerical algorithm is provided to solve this system, and these free boundaries are then used to determine the price of the American strangle position. Numerical comparisons between the strangle price and the price of a portfolio formed using a long American call and a long American put option are presented. |
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ISSN: | 0165-1889 1879-1743 |
DOI: | 10.1016/j.jedc.2003.04.010 |