stock of recent theoretical insights on this model in Duchon et al. (2012) to derive forecasts of financial volatility … the RV framework. We compare the predictive ability of the two against seven classical and multifractal volatility models …

This paper examines continuous-time models for the price and volatility processes of individual stocks and the S … diffusive volatility innovations we find that the first principal component is highly correlated with index variance innovations …

Modelling the volatility (or kurtosis) of the implied volatility is an important aspect of financial markets when … GARCH systems to model the volatility of the FTSE 100 Implied Volatility Index (IV). We use GARCH, EGARCH, GJR-GARCH and … other asymmetric models unless there is exceptionally high volatility such as the crisis of 2008 in which case EGARCH …

We develop a discrete-time affine stochastic volatility model with time-varying conditional skewness (SVS). Importantly …, we disentangle the dynamics of conditional volatility and conditional skewness in a coherent way. Our approach allows …

-post and ex-ante types), of cancellation fees and of transaction taxes on asset price volatility and on the occurrence and … volatility and the frequency of flash crashes. However, these policies also imply a longer duration of flash crashes. Furthermore …, the introduction of an ex-ante circuit breaker markedly reduces price volatility and removes flash crashes. In contrast …