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 explore the effect of funding constraints on the trading costs of VIX futures. With an increase in funding constraints during a crisis (non-crisis) period, we observe a corresponding increase (decrease) in the proportional effective spread, quoted spread, order cost, asymmetric information,...