) the statistical properties of the Korea's representative implied volatility index (VKOSPI) derived from the KOSPI 200 … options and (b) macroeconomic and financial variables that can predict the implied volatility process of the index, using … the VKOSPI. In addition, we find that the stock market return and implied volatility index of the US market (i.e., the S …

based on the superior volatility forecast for analyzing historical data. We extend the current litearure by measuring the … volatility of an underlying asset in the last predefined period and comparing the actual volatility in currency with historical … volatility in currency to make predictions of implied volatility. We calculated stock price volatility through an optimal holding …

along with the specification of (a) the initial density, and (b) the volatility structure of the density. The volatility …

prices, which translates into skew and smile patterns for implied volatility curves even under constant volatilities … the market. collateral requirements, funding costs, volatility smile, option pricing …

dramatically and permanently changed the shape of the implied volatility curve for equity index options. Here, we propose a general …. Further, the model generates a steep shift in the implied volatility 'smirk' for S&P 500 options after the 1987 crash. This … integrated. -- Volatility Smile ; Volatility Smirk ; Implied Volatility ; Option Pricing ; Portfolio Insurance ; Market Risk …