SPX and VIX Options
Cboe offers options trading in the GTH session for:
VIX and XBT Futures
Cboe Futures Exchange (CFE®) offers trading in VIX futures, VIX Weeklys futures, and Bitcoin (USD) (XBTSM) futures nearly 24 hours a day, five days a week. (Note that at the end of February 2018 these times will change to a 5:00pm opening time Sunday through Thursday).