Miami International Holdings Reports June 2019 Trading Results for MIAX Exchange Group; MIAX PEARL Sets New Daily Market Share Record

PRINCETON, N.J., July 9, 2019 /PRNewswire/ — Miami International Holdings, Inc. (MIH) today reported the June 2019 trading activity for its three fully electronic options exchanges – MIAX®, MIAX PEARL™ and MIAX Emerald™ (together, the MIAX Exchange Group™). The MIAX Exchange Group collectively executed over 32.7 million equity option contracts in June for a combined average daily volume (ADV) of 1,637,738 contracts, representing a total U.S. equity options market share of 9.61%.

Trading Volume for MIAX Exchange Group,

Current Month

Year-to-Date Comparison
Equity Options Contracts June-19 June-18 % Chg. May-19 % Chg. June-19 June-18 % Chg.
Trading Days 20 21 22 124 125
U.S. Equity Options Industry 340,857,459 363,069,104 -6.1% 405,895,497 -16.0% 2,148,799,987 2,279,696,180 -5.7%
MIAX Exchange Group 32,754,753 37,126,509 -11.8% 38,004,588 -13.8% 212,825,972 200,790,196 6.0%
MIAX 12,704,769 16,834,469 -24.5% 15,227,333 -16.6% 87,339,800 102,872,083 -15.1%
MIAX PEARL 17,626,201 20,292,040 -13.1% 19,650,832 -10.3% 115,404,883 97,918,113 17.9%
MIAX Emerald 2,423,783 3,126,423 -22.5% 10,081,289
Equity Options ADV June-19 June-18 % Chg. May-19 % Chg. June-19 June-18 % Chg.
U.S. Equity Options Industry 17,042,873 17,289,005 -1.4% 18,449,795 -7.6% 17,329,032 18,237,569 -5.0%
MIAX Exchange Group 1,637,738 1,767,929 -7.4% 1,727,481 -5.2% 1,716,338 1,606,322 6.8%
MIAX 635,238 801,641 -20.8% 692,152 -8.2% 704,353 822,977 -14.4%
MIAX PEARL 881,310 966,288 -8.8% 893,220 -1.3% 930,685 783,345 18.8%
MIAX Emerald 121,189 142,110 -14.7% 81,301
Equity Option Market Share for MIAX Exchange Group,

Current Month

Year-to-Date Comparison
Equity Options Market Share June-19 June-18 % Chg. May-19 % Chg. June-19 June-18 % Chg.
MIAX Exchange Group 9.61% 10.23% -6.0% 9.36% 2.6% 9.90% 8.81% 12.5%
MIAX 3.73% 4.64% -19.6% 3.75% -0.6% 4.06% 4.51% -9.9%
MIAX PEARL 5.17% 5.59% -7.5% 4.84% 6.8% 5.37% 4.30% 25.0%
MIAX Emerald 0.71% 0.77% -7.7% 0.47%


Other news and achievements include:  


  • Established a new daily market share record on June 26, 2019, executing 6.79% of OCC national volume in equity options

For further information regarding the MIAX Exchange Group, please visit or contact MIAX Trading Operations at [email protected]com.

Corporate Communications Contact: Dominique Prunetti-Miller
(609) 897-1465
[email protected]

About MIH and the MIAX Exchange Group

Miami International Holdings, Inc. (MIH) is the parent holding company of 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), three fully electronic options trading exchanges.

MIAX, MIAX PEARL and MIAX Emerald leverage the MIAX Exchange Group’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 Options 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).

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

To learn more about MIH and the MIAX Exchange Group visit

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