Miami International Holdings said its MIAX Exchange Group's U.S. multi-list options average daily volume rose 22% year over year to 11.0M contracts through September 2026, sending the stock up about 4% in Tuesday pre-market trading. The exchange group's year-to-date options market share reached 17.1%, up from 16.7% in the year-earlier period. For September alone, options ADV was 10.7M contracts, down 0.7% from 10.8M a year earlier and 7.2% from August, while the U.S. equity options industry ADV increased 19.1% year over year to 64.3M contracts in September. Within the group, MIAX Pearl's equity ADV fell 15.8% year over year and MIAX Futures' agricultural ADV declined 19.8%.
Miami International Holdings, Inc.MIAX Exchange Group's U.S. multi-list options average daily volume rose 22% year over year to 11.0M contracts, lifting its market share to 17.1%.
