realistic dynamics of riskneutral and realized volatilities. I provide evidence that the jump risk in volatility of long run … of the VIX or realized stock volatility. In contrast, a jump-in-volatility LRR model generates a smaller variance risk … premium but better fits the VIX and the realized stock volatility dynamics. Finally, jump-in-volatility models generate …

predict future returns, there is a significant relation between volatility spreads and expected stock returns. Portfolio level … the realized-implied volatility spread that can be viewed as a proxy for volatility risk. The results also provide … evidence for a significantly positive link between expected returns and the call-put options' implied volatility spread that …

In this paper we examine the pricing of volatility risk using SPX corridor implied volatility. We decompose model …-free total implied volatility into various components using different segments of the cross section of out-of-the money put and … call option prices. We find that only model-free volatility computed from the cross section of out-of-the-money call option …

) The Volatility Puzzle. We offer resolutions of those objections within the rational finance. We do not claim that those …

allocation and risk management require estimates of the volatility of these factors. While realized volatility has become a … provide a statistical approach to estimate the volatility of these factors. The efficacy of this approach relative to the use … of models based on squared returns is demonstrated for forecasts of the market volatility and a portfolio allocation …

liquidity position. Finally, it investigates whether the idiosyncratic risk is priced in BRICS countries’ equity markets. The …

predictive variance. We show theoretically how this adjustment factor affects both average and volatility of excess returns. We … related to excess volatility as predicted by the model. Further confirming the model's implications, we also show how stock …