Miami International Holdings Reports November 2019 Trading Results for MIAX Exchange Group

PRINCETON, New Jersey, Dec. 4, 2019 /PRNewswire/ — Miami International Holdings, Inc. (MIH) today reported the November 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 35.8 million equity option contracts in November for a combined average daily volume (ADV) of 1,794,001 contracts, representing a total U.S. equity options market share of 10.03%.

Trading Volume for MIAX Exchange Group,

Current Month

Year-to-Date Comparison
Equity Options Contracts Nov-19 Nov-18 % Chg. Oct-19 % Chg. Nov-19 Nov-18 % Chg.
Trading Days 20 21 23 231 232
U.S. Equity Options Industry 357,882,106 383,838,299 -6.8% 402,970,144 -11.2% 4,046,750,305 4,195,598,364 -3.5%
MIAX Exchange Group 35,880,024 35,517,539 1.0% 41,770,074 -14.1% 403,150,105 384,599,678 4.8%
MIAX 15,451,719 15,275,068 1.2% 16,846,978 -8.3% 162,361,564 185,775,655 -12.6%
MIAX PEARL 17,121,215 20,242,471 -15.4% 21,308,131 -19.6% 215,287,832 198,824,023 8.3%
MIAX Emerald 3,307,090 3,614,965 -8.5% 25,500,709
Equity Options ADV Nov-19 Nov-18 % Chg. Oct-19 % Chg. Nov-19 Nov-18 % Chg.
U.S. Equity Options Industry 17,894,105 18,278,014 -2.1% 17,520,441 2.1% 17,518,400 18,084,476 -3.1%
MIAX Exchange Group 1,794,001 1,691,311 6.1% 1,816,090 -1.2% 1,745,239 1,657,757 5.3%
MIAX 772,586 727,384 6.2% 732,477 5.5% 702,864 800,757 -12.2%
MIAX PEARL 856,061 963,927 -11.2% 926,440 -7.6% 931,982 857,000 8.7%
MIAX Emerald 165,355 157,172 5.2% 110,393
Equity Option Market Share for MIAX Exchange Group,

Current Month

Year-to-Date Comparison
Equity Options Market Share Nov-19 Nov-18 % Chg. Oct-19 % Chg. Nov-19 Nov-18 % Chg.
MIAX Exchange Group 10.03% 9.25% 8.3% 10.37% -3.3% 9.96% 9.17% 8.7%
MIAX 4.32% 3.98% 8.5% 4.18% 3.3% 4.01% 4.43% -9.4%
MIAX PEARL 4.78% 5.27% -9.3% 5.29% -9.5% 5.32% 4.74% 12.3%
MIAX Emerald 0.92% 0.90% 3.0% 0.63%

Other news and achievements include:  


  • Announced that it acquired a controlling interest in the Bermuda Stock Exchange.
  • Announced that the Patent Trial and Appeal Board (PTAB) of the United States Patent and Trademark Office determined that all claims asserted by Nasdaq against MIH under U.S. Patent No. 7,933,827 are unpatentable under current law. A total of six patents were asserted by Nasdaq in its infringement complaint against MIH. The PTAB has now invalidated all claims asserted under these patents.

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

Corporate Communications Contact: Dominique Prunetti-Miller
(609) 897-1465

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 additional offices located in Miami, FL.

MIH also owns a controlling interest in the Bermuda Stock Exchange.

To learn more about MIH and the MIAX Exchange Group visit

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