Pricing American options for interest rate caps and coupon bonds in quantum finance

Belal E. Baaquie and Cui Liang

Physica A: Statistical Mechanics and its Applications, 2007, vol. 381, issue C, 285-316

Abstract: American option for interest rate caps and coupon bonds are analyzed in the formalism of quantum finance. Calendar time and future time are discretized to yield a lattice field theory of interest rates that provides an efficient numerical algorithm for evaluating the price of American options. The algorithm is shown to hold over a wide range of strike prices and coupon rates. All the theoretical constraints that American options have to obey are shown to hold for the numerical prices of American interest rate caps and coupon bond options. Non-trivial correlation between the different interest rates are efficiently incorporated in the numerical algorithm. New inequalities are conjectured, based on the results of the numerical study, for American options on interest rate instruments.

Keywords: American option; Quantum finance; Cap and coupon bond option (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:381:y:2007:i:c:p:285-316

DOI: 10.1016/j.physa.2007.02.054

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