vary according to whether they are in low or high volatility regimes. …

, including market-based estimation of stochastic volatility models, the fine structure of equity-index option dynamics, leverage … and feedback effects in multifactor Wishart stochastic volatility for option pricing, option pricing with non …-Gaussian scaling and infinite-state switching volatility, stock return and cash flow predictability: the role of volatility risk, the …

The purpose of this paper is to investigate the volatility spillovers between the returns on crude oil futures and oil … be quite low using the CCC model, while the VARMA-GARCH and VARMA-AGARCH models suggest no significant volatility …