Todorov, Viktor; Tauchen, George - Duke University, Department of Economics - 2010
The paper undertakes a non-parametric analysis of the very high frequency movements in stock market volatility using … very finely sampled data on the S&P VIX index compiled by the CBOE. The data suggest that stock market volatility is best … component. The jumps in stock volatility are found to be so active that this discredits many recently proposed stochastic …