Welcome to our dedicated page for Miami Intl Hldg news (Ticker: MIAX), a resource for investors and traders seeking the latest updates and insights on Miami Intl Hldg stock.
Miami International Holdings, Inc. (NYSE: MIAX) is a technology-driven operator of regulated financial markets, and its news flow reflects developments across options, equities, futures and international exchanges. Press releases regularly describe trading results for the MIAX Exchange Group, which includes MIAX Options, MIAX Pearl, MIAX Emerald and MIAX Sapphire, as well as MIAX Futures and MIAX Pearl Equities.
News updates often cover trading volume and market share statistics in U.S. multi-listed equity options and U.S. equities, along with activity on MIAX Futures. These reports provide detail on average daily volume and other metrics for the company’s exchange platforms, illustrating how its markets are being used by participants.
Corporate and strategic announcements are another key part of MIAX news. Recent items include the launch, pricing and closing of a secondary public offering of common stock by existing stockholders, and an agreement to sell a majority stake in MIAX Derivatives Exchange (MIAXdx) to Robinhood Markets, Inc. in partnership with Susquehanna International Group, with MIAX retaining a minority interest. The company has also been identified as an anchor investor in a funding round for Architect Financial Technologies Inc., which is developing a perpetual futures exchange through an affiliate.
International and partnership developments appear in the news as well. For example, The International Stock Exchange (TISE), a wholly owned subsidiary of Miami International Holdings, announced a memorandum of understanding with Boursa Kuwait to explore collaboration on specialized listings and investment channels. Operational and technology-related updates, such as enhancements to MIAX Futures’ risk management systems, are also highlighted in third-party and company communications.
Investors and market observers can use the MIAX news stream to follow trading statistics, capital markets activity, strategic transactions, international initiatives and technology changes affecting the company’s exchange and clearing platforms.
Miami International Holdings (NYSE: MIAX) announced a proposed secondary public offering of 6,750,000 shares of common stock, including certain shares issuable on warrant exercise. The offering is entirely secondary; the company is not selling shares and will not receive proceeds. Underwriters have a 30-day option to buy up to an additional 1,012,500 shares. A registration statement on Form S-1 has been filed with the SEC but is not yet effective, and shares may not be sold prior to effectiveness. The offering will be made only by prospectus available via the SEC EDGAR site.
Miami International Holdings (NYSE: MIAX) reported November 2025 trading results for MIAX exchange subsidiaries and MIAX Futures. Key year-to-date metrics include a record 17.1% market share for the MIAX Exchange Group through November 2025 (a +14.0% increase vs. 2024) and a record YTD ADV of 9.6 million contracts for the MIAX Exchange Group (+45.0% YoY). MIAX Futures posted a record YTD ADV of 13,772 contracts through November 2025 (+6.4% YoY). November monthly figures include MIAX Exchange Group options ADV of 10.915 million contracts (+33.9% YoY) and MIAX Pearl equities ADV of 181 million shares (-3.9% YoY). Detailed tables and rolling RPC data are available on the company's investor website.
Miami International Holdings (MIAX) announced an agreement to sell 90% of MIAX Derivatives Exchange (MIAXdx) to Robinhood Markets (HOOD) in partnership with Susquehanna International Group while MIAX will retain a 10% equity stake. MIAXdx is a CFTC‑approved Designated Contract Market and Derivatives Clearing Organization that lists and clears fully collateralized futures, options on futures and swaps.
The transaction is expected to close in Q1 2026 and is subject to customary closing conditions and certain CFTC filings. MIAX said the retained stake will provide expedited access to prediction markets and create strategic partnership opportunities with Robinhood and Susquehanna.
Vermiculus Financial Technology deployed a real-time risk management suite for MIAX Futures (NYSE: MIAX) on Nov. 20, 2025, integrating with the exchange's VeriClear-based clearing platform.
The modular, cloud-based microservices provide real-time collateral valuation, collateral reconciliation, continuous risk monitoring, stress testing, portfolio and contract backtesting, parallel risk-model support, and the ability to re-run historical risk runs. The rollout used agile phases with new functionality released to production every two months while the legacy system remained as a reference before decommissioning.
Miami International Holdings (NYSE: MIAX) announced expanded roles for Shelly Brown and Joseph W. Ferraro III, effective November 10, 2025, to support MIAX Futures strategic growth initiatives.
Shelly Brown was appointed Chief Executive Officer of MIAX Futures and Chief Strategy Officer of Miami International Holdings; he will oversee growth and the planned launch of futures on the Bloomberg 500 Index in Q1 2026, subject to Commodity Futures Trading Commission filings. Brown has been with the company since 2011 and helped the options business reach a 19.4% monthly market share in October.
Joseph Ferraro was appointed President of MIAX Products, LLC, while retaining his role as Senior Vice President, Deputy General Counsel; he will manage index product relationships and expand proprietary offerings, building on prior work including the 2020 MIAX Futures acquisition, an exclusive Bloomberg licensing agreement, and the Onyx platform launch.
Miami International Holdings (NYSE:MIAX) reported third quarter 2025 results with net revenue of $109.5M, up 57% YoY, driven by options volume and the MIAX Sapphire exchange. The company reported a GAAP net loss of $102.1M and GAAP diluted EPS of $(1.46), which management attributed to a one-time loss on extinguishment of debt and IPO-related expenses.
Adjusted EBITDA was $48.0M (margin 44%), up 157% YoY, and adjusted earnings rose to $39.9M. Average daily options volume reached 9.6M contracts (+56% YoY) and MIAX options market share hit 17.2%. The company raised $396.8M gross in its August 2025 IPO, repaid ~$178.4M of secured debt, and held $401.5M cash with total debt of $6.5M as of September 30, 2025.
Miami International Holdings (NYSE: MIAX) reported October 2025 trading results for its U.S. exchange subsidiaries and MIAX Futures. The MIAX Exchange Group set multiple records in October 2025, including a monthly ADV of 13.1 million contracts (a 92.4% increase vs Oct 2024), a monthly market share record of 19.4%, a daily volume record of 19.7 million contracts (Oct 10, 2025) and a daily market share high of 20.9% (Oct 14, 2025). Year-to-date MIAX Exchange Group ADV was 9.4 million contracts (+46.4% versus 2024). MIAX Futures reached a YTD ADV of 13,828 contracts (+10.1% vs 2024) while its Oct 2025 ADV was 7,286 (-29.4% vs Oct 2024). Detailed volume, market share and RPC reports are available on the company website.
Miami International Holdings (NYSE: MIAX) will release third quarter 2025 financial results for the period ended September 30, 2025 after market close on Wednesday, November 5, 2025. A conference call with senior management will begin at 5:00 p.m. ET on the same day. Participants may join by phone at 866-652-5200 using conference ID 10203428 (international dial-in 412-317-6060).
A slide presentation and live webcast will be available in the Events & Presentations section of the company website at https://ir.miaxglobal.com/ after the earnings release is issued.
Miami International Holdings (NYSE: MIAX) reported September 2025 trading results for MIAX exchanges and MIAX Futures, highlighting multiple volume and market-share records. Key September milestones include a monthly ADV record of 10.8M contracts (+73.1% vs Sep 2024), a YTD ADV record of 9.0M contracts (+40.4% YTD), a monthly market share record of 17.6%, and a daily market share record of 20.0% on Sept 23, 2025. MIAX launched the MIAX Sapphire trading floor in Miami on Sept 12, 2025, enabling access to 100% of the multi-listed U.S. options market across MIAX exchanges. MIAX Futures posted a YTD ADV of 14,633 contracts (+14.1% YTD).
Miami International Holdings (NYSE:MIAX) has announced plans to launch financial futures trading on MIAX Futures™ starting February 22, 2026. The company will utilize its proprietary MIAX Futures Onyx trading platform, which is specifically designed for high-performance U.S. futures trading.
The initial product offerings will include futures contracts for the Bloomberg 500 Index (B500) and Bloomberg US 100 Price Return Index (B100Q), subject to CFTC regulatory approval. The platform aims to differentiate itself through superior scalability, latency, reliability, and determinism.