Futures on the CBOE Volatility Index® (VIX®), which launched in 2004, experienced some milestones regarding open interest in recent days –
* VIX futures open interest surpassed 500,000 for the first time on June 6;
* VIX Futures open interest hit a new all-time record high of 501,835 on June 7;
* VIX Futures open interest is up 98.7% year-to-date (through June 7).
VIX FUTURES VOLUME DURING EUROPEAN HOURS
VIX futures are available for trading more than 23 hours per day.
On June 7 the total daily volume for VIX futures was 230,694 contracts, and the VIX futures volume during the period from 2:00 a.m. to 7:00 a.m. (Chicago time) was 12,286 contracts.
SKEW CHART FOR VIX OPTIONS
Below is a skew chart from Livevol that shows implied volatility estimates for VIX options at different expirations. I find it interesting to compare the June 22 (yellow line) and June 29 (green line) expirations, particularly in light of the upcoming June 23 Brexit referendum<http://www.