U.S. Options

As previously announced in the September 18, 2026 Alert, beginning November 9, 2026, the MIAX Emerald Options Exchange will offer firms the ability to purchase eight additional Limited Service Ports per matching engine for the MIAX Express Interface (MEI).

1. This is in conjunction with the increase in available customer-facing edge switches from six to ten previously announced in the  April 20, 2026, September 18, 2026 and October 6, 2026 Alerts. 
2. Requests for additional Limited Service Ports must have been submitted by November 2, 2026 to be available on November 9, 2026. 
   1. Requests received after November 2, 2026 will be accommodated on a best-efforts basis.
3. The eight new ports will be in addition to the ten Limited Service MEI Ports per matching engine that are currently available for purchase.
   1. MEI Interface users will now be limited to purchasing 18  additional Limited Service MEI Ports per matching engine, for a maximum of 22 ports per matching engine.
   2. Additional Limited Service MEI Ports are subject to the fees described in the MIAX Emerald Options Exchange Fee Schedule.
   3. Please see the MIAX Emerald Options Fee Schedule for additional pricing details.
4. Please see the MIAX Emerald Options Interface Specifications for additional specification details.

Please contact MIAX Trading Operations at TradingOperations@miaxglobal.com or (609) 897-7302 if you have any questions, to make requests or to arrange interface testing.