This paper documents law of one price violations in equity volatility markets. While tightly linked by no …

of the volatility spread to skewness. We measure skewness from option prices and test these predictions. We find that … conditioning on skewness increases the predictive power of the volatility spread and that coefficient estimates accord with theory … the term structure of option-implied volatility, skewness and kurtosis and find that time-dependence in returns has a …

straddles; second, we estimate the PVR in a Heston (1993) stochastic-volatility model. In both cases, the estimation is … more negative and its term structure is steeper when volatility is high. These findings are inconsistent with calibrations …

respectively by CBOE's VIX and their newly-launched swap rate volatility index -- SRVX -- exhibit significantly distinct behaviors …

advantages: i) ensures nonnegative interest rates, ii) easily accommodates unspanned factors affecting volatility and risk …, volatility, and risk premium dynamics — including when interest rates are close to the zero lower bound …

. Proposed extensions include a volatility regime switching mechanism (using dummy variables and the Markov approach) and the … fifth risk factor based on realized volatility of index returns. Moreover, instead of using data for stocks of a particular …

general shape of the implied volatility function of the corresponding currency pair. Overall, we conclude that there is a …