Average daily volume (ADV) at the CBOE Futures Exchange (CFE) was down 28 per cent from September 2015 and 44 per cent from October 2014's record-setting volume totals. 

However, on a year-to-date basis through October, volume was up 2 per cent, compared with the same period last year.

Total volume in futures on the CBOE Volatility Index (VIX Index) for October was 4.0 million contracts, down 24 per cent from September 2015 and down 46 per cent from October 2014, when VIX Index futures set monthly and daily volume records. October VIX futures' ADV was 181,562 contracts.

Exchange-wide ADV at CFE was 181,760 contracts in October, a decrease of 28 per cent from September 2015 and 44 per cent from October 2014, when the CFE also posted monthly and daily volume records. Exchange-wide total volume for the month was 4.0 million contracts, down 24 per cent from September 2015 and a decline of 46 per cent from the year-ago total.   

Trading activity in VIX futures during non-US trading hours fell in October, but represented 8 per cent of total VIX futures volume, slightly lower than September 2015's 10-per cent share. Monthly volume for VIX futures during extended trading hours was 317,959 contracts, with an ADV of 14,453 contracts. Year to date, extended trading hours represent nearly 9 per cent of VIX futures' total volume.