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The Hartman-Watson Distribution Revisited: Asymptotics for Pricing Asian Options

Published online by Cambridge University Press:  14 July 2016

Stefan Gerhold*
Affiliation:
Vienna University of Technology
*
Postal address: Vienna University of Technology, Wiedner Hauptstrasse 8-10, A-1040 Vienna, Austria. Email address: sgerhold@fam.tuwien.ac.at
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Abstract

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Barrieu, Rouault and Yor (2004) determined asymptotics for the logarithm of the distribution function of the Hartman-Watson distribution. We determine the asymptotics of the density. This refinement can be applied to the pricing of Asian options in the Black-Scholes model.

Type
Short Communications
Copyright
Copyright © Applied Probability Trust 2011 

References

[1] Barrieu, P., Rouault, A. and Yor, M. (2004). A study of the Hartman-Watson distribution motivated by numerical problems related to the pricing of Asian options. J. Appl. Prob. 41, 10491058.Google Scholar
[2] De Bruijn, N. G. (1958). Asymptotic Methods in Analysis (Bibliotheca Math. 4). North-Holland, Amsterdam.Google Scholar
[3] Dufresne, D. (2004). The log-normal approximation in financial and other computations. Adv. Appl. Prob. 36, 747773.Google Scholar
[4] Forde, M. (2011). Exact pricing and large-time asymptotics for the modified SABR model and the Brownian exponential functional. To appear in Internat. J. Theoret. Appl. Finance. Google Scholar
[5] Gulisashvili, A. and Stein, E. M. (2006). Asymptotic behavior of the distribution of the stock price in models with stochastic volatility: the Hull-White model. C. R. Acad. Sci. Paris 343, 519523.Google Scholar
[6] Gulisashvili, A. and Stein, E. M. (2010). Asymptotic behavior of distribution densities in models with stochastic volatility. I. Math. Finance 20, 447477.Google Scholar
[7] Hartman, P. and Watson, G. S. (1974). “Normal” distribution functions on spheres and the modified Bessel functions. Ann. Prob. 2, 593607.Google Scholar
[8] Horn, J. (1899). Ueber lineare Differentialgleichungen mit einem veränderlichen Parameter. Math. Ann. 52, 340362.Google Scholar
[9] Ishiyama, K. (2005). Methods for evaluating density functions of exponential functionals represented as integrals of geometric Brownian motion. Methodology Comput. Appl. Prob. 7, 271283.Google Scholar
[10] Matsumoto, H. and Yor, M. (2005). Exponential functionals of Brownian motion. I. Probability laws at fixed time. Prob. Surveys 2, 312347.Google Scholar
[11] Tolmatz, L. (2000). Asymptotics of the distribution of the integral of the absolute value of the Brownian bridge for large arguments. Ann. Prob. 28, 132139.Google Scholar
[12] Tolmatz, L. (2005). Asymptotics of the distribution of the integral of the positive part of the Brownian bridge for large arguments. J. Math. Anal. Appl. 304, 668682.Google Scholar
[13] Watson, G. N. (1995). A Treatise on the Theory of Bessel Functions. Cambridge University Press.Google Scholar
[14] Wong, R. (1989). Asymptotic Approximations of Integrals. Academic Press, Boston, MA.Google Scholar
[15] Yor, M. (1980). Loi de l'indice du lacet brownien, et distribution de Hartman–Watson. Z. Wahrscheinlichkeitsth. 53, 7195.Google Scholar
[16] Yor, M. (1992). On some exponential functionals of Brownian motion. Adv. Appl. Prob. 24, 509531.Google Scholar