This article investigates the cointegration level, and changes in the existence and direction of causality among volatilities. Vector autoregressive (VAR) model enables us to conduct Granger-causality and impulse response analysis, and determine the pattern of causality. The empirical findings...

This study investigates the information content of RBI’s monetary policy and macroeconomic announcements and its impact on the implied volatility index. The empirical findings suggest that implied volatility (VIX) increases prior to the scheduled macroeconomic announcements. This study takes...

Purpose – The aim of this study is to examine the “volatility smile” or/and “skew”, term structure and implied volatility surfaces based on those European options written in the standard and poor (S&P) Nifty equity index. The stochastic nature of implied volatility across strike price,...