| | | | | |
| Name of Subsidiary | Jurisdiction of Organization |
| Miami International Securities Exchange, LLC | Delaware |
| MIAX PEARL, LLC | Delaware |
| MIAX Emerald, LLC | Delaware |
| MIAX Sapphire, LLC | Delaware |
| Miami International Technologies, LLC | Delaware |
| MIAX Global, LLC | Delaware |
| The International Stock Exchange Group Limited | Guernsey |
| The International Stock Exchange Authority Limited | Guernsey |
| The Bermuda Stock Exchange | Bermuda |
| BSD Nominee Ltd. | Bermuda |
| M 9 Holdings, LLC | Delaware |
| MIAX Products, LLC | Illinois |
| MIAX Global Derivatives, LLC | Delaware |
| M 402 Holdings, LLC | Delaware |
| MIAX Futures Exchange, LLC | Delaware |
| M 7 Holdings, LLC | Delaware |
| LedgerX LLC d/b/a MIAX Derivatives Exchange | Delaware |
| M 8 Holdings, LLC | Delaware |
| Dorman Trading, LLC | Illinois |
| MGEX Real Estate Holdings, LLC | Delaware |
| MIH East Holdings, Limited | England and Wales |