Surge in Sub Dollar Trades, Steady Options Market Share Growth Highlights & Recent Developments Stocks priced below $1 accounted for nearly 24% of industry volume in May, up from 12% in April TRF market share reached 47.0% in May, up from 44.5% in April MEMX retail add fill rates in orders placed near the NBBO were 92% in sub-$1 stocks and 96% in stocks priced over $1 MEMX Options market share improved to 3.1% of regular electronic volume in May and is tracking at 4.2% month-to-date in June In SPY options, MEMX market share was 4.7% of regular electronic in May and is 5.4% month-to-date in June Equities Exchange Highlights Sub-$1 volume accounted for over 24% of industry volume in May, up from 12% in April. High sub-$1 activity contributed to high TRF share, which came in at 47.0% in May, up from 44.5% in April. Six of the top 10 most active stocks in May by share volume traded were priced below $1. The top 10 stocks accounted for 16.4% of industry share volume, but only 2.8% of industry notional value traded. Much of the activity in sub-$1 stocks was retail. MEMX retail add fill rates in orders placed near the NBBO were 92% in sub-$1 stocks and 96% in stocks priced over $1. Options Exchange Highlights MEMX Options market share was 3.1% of regular electronic volume in May, and continues to improve in June. So far in June, options activity in SPY, QQQ and IWM combined accounted for 33.5% of industry volume. MEMX market share has increased to 5.4% in SPY, 3.8% in QQQ, and 5.5% in IWM month-to-date in June.