Miami International Reports December 2025 And Full-Year 2025 Results, MIAX Executes 2.4B Options Contracts, 2025 ADV 9.5M, Market Share 17.1%

December 2025 and Full-Year 2025 Highlights

• MIAX Exchange Group reached a record average daily volume (ADV) of 11.1 million contracts in Q4 2025, a 46.5% increase year-over-year (YoY) and a 15.3% increase from Q3 2025.
• MIAX Exchange Group reached a record ADV of 9.5 million contracts in 2025, a 42.2% increase YoY.
• MIAX Exchange Group reached a quarterly market share record of 18.2% in Q4 2025, a 14.1% increase YoY and a 5.4% increase from Q3 2025.
• MIAX Exchange Group reached an annual market share record of 17.1% in 2025, a 13.1% increase YoY.
• MIAX Futures reached an annual ADV record of 12,989 contracts in 2025, a 2.7% increase YoY.