Exchange Highlights

New Equity and Options Volume Records on MEMX Exchanges

Nov 7, 2025

New Equity and Options Volume Records on MEMX Exchanges

Highlights & Recent Developments

  • Read MEMX comments on SEC win on tick size and access fee amendments
  • MEMX retail average daily volume hits new record of 208 million, up 157% year-over-year
  • The most active retail stocks on MEMX were TSLA, NVDA, AMD, OKLO, META, TSLL
  • MEMX Options achieves new market share and volume records in October
  • Regular electronic market share on MEMX Options was 8.4%, ranking second among 18 exchanges

Equities Exchange Highlights

Strong retail activity has contributed to significant equity volume growth in 2025. In October, consolidated industry average daily volume surged 80% year-over-year to 21 billion shares. The growth in off-exchange market share and sub-$1 volume highlights the increasing influence of individual investors in the markets. On MEMX, average daily retail volume grew 157% year-over-year in October to 208 million shares.

Retail investors are increasingly trading individual larger-cap tech and growth stocks, not just sub-penny names. On MEMX, the tickers with the most notional retail activity were TSLA, NVDA, AMD, OKLO, META, and TSLL. TSLA and TSLL (TSLA bull 2X shares) represented a combined 11.3% of notional traded on MEMX.

Options Exchange Highlights

MEMX Options hit several new records in October:

  • Total market share reached 4.6%
  • Regular electronic market share hit 8.4% and we ranked second among 18 exchanges
  • Average daily volume traded increased to 2.92 million contracts, up 98% year-over-year. Over the same period, industry options volume rose just 31%

1 Total market share includes options equity and ETF volume, excludes index options
2 Regular electronic market share includes continuous trading in single-leg equity and ETF options (excludes auctions, floor, and complex trades)

Eight of the top 10 most active volume days on MEMX Options occurred in October. The largest volume day was 4.786 million contracts traded on October 10th. The largest market share day occurred on October 22nd, with total market share of 7.2% and regular electronic market share of 12.2%.

1 Total market share includes options equity and ETF volume, excludes index options
2 Regular electronic market share includes continuous trading in single-leg equity and ETF options (excludes auctions, floor, and complex trades)