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Miami International Holdings (NYSE: MIAX) has launched MIAX Sapphire®, Miami's first options trading floor and only the second open outcry trading floor to launch in the last 50 years. The 38,400-square-foot facility is located in Miami's Wynwood district and features a state-of-the-art trading floor, office space, conference facilities, and a Bloomberg TV broadcast studio.
MIAX Sapphire represents the company's fourth national securities exchange for U.S. multi-listed options, operating both an electronic exchange launched in August 2024 and the physical trading floor. The facility is designed to support complex options trading needs with proprietary technology focused on maximizing liquidity and enhancing price discovery.
Miami International Holdings (NYSE:MIAX) reported strong trading results for August 2025, with several notable records across its exchange subsidiaries. The MIAX Exchange Group achieved a record average daily volume (ADV) of 9.5 million option contracts in August 2025, marking a significant 59.1% increase from August 2024.
Key achievements include a daily volume record of 14.2 million contracts on August 22, 2025, and a year-to-date market share record of 16.5% of multi-list volume. MIAX Futures demonstrated growth with a record YTD ADV of 15,728 contracts, representing an 18.7% increase from the same period in 2024.
Miami International Holdings (NYSE:MIAX), a technology-driven financial markets operator, has announced the pricing of its Initial Public Offering (IPO). The company is offering 15,000,000 shares of common stock at $23.00 per share, which is $2.00 above the expected price range.
Trading will commence on the New York Stock Exchange on August 14, 2025, under the ticker symbol "MIAX". The underwriters have a 30-day option to purchase up to 2,250,000 additional shares. The IPO is expected to close around August 15, 2025, with J.P. Morgan, Morgan Stanley, and Piper Sandler serving as lead joint bookrunning managers.
Miami International Holdings (NYSE:MIAX), a technology-driven financial markets operator, has launched its Initial Public Offering (IPO) roadshow. The company plans to offer 15 million shares of common stock with an expected price range of $19 to $21 per share.
The underwriters will have a 30-day option to purchase up to an additional 2.25 million shares. The company has received approval to list on the NYSE under the symbol "MIAX". J.P. Morgan, Morgan Stanley, and Piper Sandler are serving as lead joint bookrunning managers, with several other firms acting as joint bookrunning managers.