GULISASHVILI, ARCHIL - In: International Journal of Theoretical and Applied … 15 (2012) 03, pp. 1250020-1
In this paper, we study the asymptotic behavior of the implied volatility in stochastic asset price models. We provide necessary and sufficient conditions for the validity of asymptotic equivalence in Lee's moment formulas, and obtain new asymptotic formulas for the implied volatility in asset...