The square-root process and Asian options
Authors:
Angelos Dassios a; Jayalaxshmi Nagaradjasarma
| Affiliation: | a Department of Statistics, London School of Economics, London WC2A 2AE, UK |
DOI:
10.1080/14697680600724775
Publication Frequency:
8 issues per year
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Abstract
Although the square-root process has long been used as an alternative to the Black-Scholes geometric Brownian motion model for option valuation, the pricing of Asian options on this diffusion model has never been studied analytically. However, the additivity property of the square-root process makes it a very suitable model for the analysis of Asian options. In this paper, we develop explicit prices for digital and regular Asian options. We also obtain distributional results concerning the square-root process and its average over time, including analytic formulae for their joint density and moments. We also show that the distribution is actually determined by those moments.
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| Keyword: Quantitative Finance classification scheme; DER P&H |
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