MIAX Exchange Group Reports Record Trading Volumes in September 2025
The MIAX Exchange Group, comprising MIAX, MIAX Pearl, MIAX Emerald, and MIAX Sapphire, achieved unprecedented trading volumes and market share in September 2025. The launch of the MIAX Sapphire options trading floor in Miami on September 12 expanded access to the entire U.S. multi-listed options market, solidifying MIAX's position as a key player in regulated financial markets.
Daily market share peaked at 20.0% on September 23, while monthly market share reached a record 17.6%. Year-to-date figures show a 16.7% market share, with average daily volume surging 73.1% year-over-year to 10.8 million contracts. MIAX Futures also posted strong results, with a 14.1% increase in year-to-date average daily volume.