Some asymptotics for short maturity Asian options

Humayra Shoshi and Indranil SenGupta

Papers from arXiv.org

Abstract: Most of the existing methods for pricing Asian options are less efficient in the limit of small maturities and small volatilities. In this paper, we use the large deviations theory for the analysis of short-maturity Asian options. We present a local volatility model for the underlying market that incorporates a jump term in addition to the drift and diffusion terms. We estimate the asymptotics for the out-of-the-money, in-the-money, and at-the-money short-maturity Asian call and put options. Under appropriate assumptions, we show that the asymptotics for out-of-the-money Asian call and put options are governed by rare events. For the at-the-money Asian options, the result is more involved and in that case, we find the upper and lower bounds of the asymptotics of the Asian option price.

Date: 2023-02, Revised 2024-09
New Economics Papers: this item is included in nep-sea
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Published in Stochastic Models, 2024

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