We use a novel pricing model to filter times series of diffusive volatility and jump intensity from S&P 500 index … about twice the premium required to compensate the same investor for the realized volatility, 5.8 percent. Moreover, the ex …

Many ways exist to measure and model financial asset volatility. In principle, as the frequency of the data increases …, the quality of forecasts should improve. Yet, there is no consensus about a true' or best' measure of volatility. In this … paper we propose to jointly consider absolute daily returns, daily high-low range and daily realized volatility to develop a …

bond returns, while neither, like implied volatility, predicts put returns. These opposite predictability results are … consistent with a stochastic volatility, stochastic jump intensity model, as put premia increase in volatility but decrease in …

We document that the implied volatility skew of S&P 500 index puts is non-decreasing in the disaster index and risk …-the-money puts, thereby steepening the implied volatility skew and resolving the puzzle. Consistent with the data, the model also …