LI, MINQIANG; MERCURIO, FABIO - In: International Journal of Theoretical and Applied … 17 (2014) 04, pp. 1450026-1
We develop an asymptotic expansion technique for pricing timer options in stochastic volatility models when the effect of volatility of variance is small. Based on the pricing PDE, closed-form approximation formulas have been obtained. The approximation has an easy-to-understand...