Miami International Holdings Reports April 2021 Trading Results, MIAX Exchange Group Sets New Monthly Market Share and Volume Records

PRINCETON, N.J., May 4, 2021 /PRNewswire/ — Miami International Holdings, Inc. today reported April 2021 trading results for its U.S. exchange subsidiaries – MIAX®, MIAX Pearl® and MIAX Emerald® (together, the MIAX Exchange Group™) and the Minneapolis Grain Exchange (MGEX).

In U.S. options, the MIAX Exchange Group collectively executed over 95 million multi-listed options contracts for a combined average daily volume (ADV) of 4,541,657 contracts, representing a total U.S. multi-listed options market share of 14.15%. The 14.15% market share represents an increase of 178 basis points from April 2020.

In U.S. equities, MIAX Pearl Equities™ executed 452,497,977 shares.

In U.S. futures, MGEX executed 322,207 contracts.

Multi-Listed Options Trading Volume for

 MIAX Exchange Group, Current Month

Year-to-Date Comparison
Multi-Listed Options ContractsApr-21Apr-20% Chg.Mar-21% Chg.Apr-21Apr-20% Chg.
Trading Days2121238283
U.S. Multi-Listed Options Industry674,204,936515,812,61730.7%856,908,768-21.3%3,117,438,8002,086,343,26449.4%
MIAX Exchange Group95,374,79163,815,67149.5%116,927,971-18.4%418,632,750236,031,88677.4%
MIAX Pearl35,721,05420,365,03075.4%52,194,814-31.6%157,392,53097,520,00661.4%
MIAX Emerald19,731,08819,381,1291.8%27,239,081-27.6%115,689,72848,128,460140.4%
Multi-Listed Options ADVApr-21Apr-20% Chg.Mar-21% Chg.Apr-21Apr-20% Chg.
U.S. Multi-Listed Options Industry32,104,99724,562,50630.7%37,256,903-13.8%38,017,54625,136,66651.2%
MIAX Exchange Group4,541,6573,038,84149.5%5,083,825-10.7%5,105,2772,843,75879.5%
MIAX Pearl1,701,003969,76375.4%2,269,340-25.0%1,919,4211,174,94063.4%
MIAX Emerald939,576922,9111.8%1,184,308-20.7%1,410,850579,861143.3%
Multi-Listed Options Market Share for

MIAX Exchange Group, Current Month

Year-to-Date Comparison
Multi-Listed Options Market ShareApr-21Apr-20% Chg.Mar-21% Chg.Apr-21Apr-20% Chg.
MIAX Exchange Group14.15%12.37%14.3%13.65%3.7%13.43%11.31%18.7%
MIAX Pearl5.30%3.95%34.2%6.09%-13.0%5.05%4.67%8.0%
MIAX Emerald2.93%3.76%-22.1%3.18%-7.9%3.71%2.31%60.9%
Equities Trading Volume for

MIAX Pearl Equities, Current Month

Year-to-Date Comparison
Equities Shares (millions)Apr-21Apr-20% Chg.Mar-21% Chg.Apr-21Apr-20% Chg.
Trading Days21N/AN/A2382N/AN/A
U.S. Equities Volume – Industry207,994N/AN/A307,161-32.3%1,101,662N/AN/A
MIAX Pearl Volume452N/AN/A487-7.1%1,923N/AN/A
MIAX Pearl ADV22N/AN/A21-7.1%23N/AN/A
MIAX Pearl Market Share0.22%N/AN/A0.16%37.3%0.17%N/AN/A
Futures & Options Trading Volume for

MGEX, Current Month

Year-to-Date Comparison
Futures & Options


Apr-21Apr-20% Chg.Mar-21% Chg.Apr-21Apr-20% Chg.
Trading Days2121238283
MGEX Volume322,207256,27625.7%259,61724.1%1,110,369971,40114.3%
MGEX ADV15,34312,20425.7%11,28835.9%13,54111,70415.7%

April 2021 Market Share and Volume Records:

MIAXMIAX Exchange Group Multi-Listed Options Records
Single DayMarket Share16.48%April 30, 2021
MonthlyMarket Share14.15%April 2021
MIAX OptionsMIAX Multi-Listed Options Records
Single DayVolume2,802,030April 30, 2021
MonthlyVolume39,922,649April 2021

April 2021 operational achievements and announcements include:


  • Announced that it partnered with SIG Index Licensing, LLC (SIG Index Licensing) to launch cash-settled futures contracts on SIG Index Licensing’s U.S. Corporate Tax Rate Index. Corporate Tax Rate Futures will be the first of their kind and offer corporations and investors an efficient way to manage risk in volatile corporate tax rate environments. The futures contracts will begin trading on May 24, 2021, exclusively on MGEX via CME Globex® platform.
  • Announced a follow-on equity investment in Vesica Technologies and the finalization of their licensing agreement. Vesica’s SHIFT SearchSM (SHIFT) platform is available for options data through the MIAX website at

For further information regarding MIAX, please visit or contact MIAX Trading Operations at

Corporate Communications Contacts:

Andy Nybo, SVP, Chief Communications Officer
(609) 955-2091

Natalie Kay, Karma Agency

About MIAX

MIAX’s parent holding company, Miami International Holdings (MIH), operates and manages Miami International Securities Exchange, LLC (MIAX®), MIAX Pearl, LLC (MIAX Pearl®) and MIAX Emerald, LLC (MIAX Emerald® and together with MIAX and MIAX Pearl, the MIAX Exchange Group™), the Minneapolis Grain Exchange, LLC, a Designated Contract Market (DCM) and Derivatives Clearing Organization (DCO), and the Bermuda Stock Exchange.

The MIAX, MIAX Pearl and MIAX Emerald options exchanges leverage MIAX’s industry-leading technology and infrastructure to provide their member firms with traditional pricing and pro rata allocation (MIAX), maker-taker pricing and price-time allocation (MIAX Pearl) market structures, and a hybrid market structure with maker-taker pricing and pro rata allocation (MIAX Emerald).

MIAX serves as the exclusive exchange venue for cash-settled options on the SPIKES® Volatility Index (Ticker: SPIKE), a measure of the expected 30-day volatility in the SPDR® S&P 500® ETF (SPY).

Under MIAX Pearl’s exchange license, MIAX Pearl Equities™ provides its members with best-in-class performance through a combination of high determinism, low latency and high throughput. MIAX Pearl Equities has maker-taker pricing and a price-time allocation model.

MIAX’s executive offices and National Operations Center are located in Princeton, NJ, with additional offices located in Miami, FL.

To learn more visit

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