We investigate the informational role of trading volume and quote changes in VIX options with regard to future movements in the index, based upon a high-frequency framework. Our results reveal that whilst volume imbalances convey no significant predictive information, quote changes in VIX...

We investigate the relation between trading activity in the VIX derivative markets and changes in the VIX index under a high-frequency framework. We find a significant relation between the signed trading variables of VIX futures and the contemporaneous changes in the VIX index. In addition, the...

Given that both S&P 500 index and VIX options essentially contain information on the future dynamics of the S&P 500 index, in this study, we set out to empirically investigate the informational roles played by these two option markets with regard to the prediction of returns, volatility and...

This study follows the approach of Ni et al. [Ni, S.X., Pan, J., Poteshman, A.M., 2008. Volatility information trading in the option market. Journal of Finance 63, 1059-1091] - based upon the vega-weighted net demand for volatility - to determine whether volatility information exists within the...

This study adopts a unique dataset that includes the complete history of transactions in the Taiwan options market to investigate the misreaction patterns for marketwise observations and the transactions of four different categories of investors in the high-frequency framework. Using the results...