The purpose of this study is to identify the behavior of returns and volatility with the attributes of non-linearities and asymmetric patterns in the returns series of KSE and modeling of volatility for asset pricing with macroeconomic, value at risk and semi-variance in GARCH specification....

In this paper we introduce a discrete time pricing model for a European call option when the log-return of the underlying stock (asset) is subject to discontinuous market regime type of shifts in its mean or volatility whose risk can be priced in the market. The paper shows how to estimate this...