Barrier Option Pricing under the 2-Hypergeometric Stochastic Volatility Model

R\'uben Sousa, Ana Bela Cruzeiro and Manuel Guerra

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Abstract: We investigate the pricing of financial options under the 2-hypergeometric stochastic volatility model. This is an analytically tractable model that reproduces the volatility smile and skew effects observed in empirical market data. Using a regular perturbation method from asymptotic analysis of partial differential equations, we derive an explicit and easily computable approximate formula for the pricing of barrier options under the 2-hypergeometric stochastic volatility model. The asymptotic convergence of the method is proved under appropriate regularity conditions, and a multi-stage method for improving the quality of the approximation is discussed. Numerical examples are also provided.

Date: 2016-10, Revised 2017-08
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