Options LiquidityMatrix May 2018

Volumes for US options year-to-date continues a healthy 25.2% gain over 2107 but volumes have slipped slightly from April to May. Ongoing volatility resulted in 398 million contracts cleared in April 2018, May’s volumes have come down to 366.2 million contracts as the average VIX for May declined from April’s 14.1 to 12.4. Spreads again tightened by 2 cents in May 2018, indicating a continuing improved trading environment for investors. TABB Group’s monthly Options LiquidityMatrix™ analyzes the 15 US options exchanges, in addition to broader industry trends. Metrics include market share, market quality, average spread, average trade size, and volume breakdown for all options and penny options.