U.S. Equities

On Friday, August 21, 2026, MIAX Pearl Equities Exchange will refresh customer facing 10G ULL and 1G LL extranet edge switches after the close of trading at 8:00 p.m. EDT.

All MIAX Pearl Equities Exchange Extranet edge switches will be replaced one to one with an updated model and all firm Cross Connects (CCs) will be moved to the same ports on the new switches. There are no changes required by firms for this hardware upgrade.

Following the upgrade, firms will be required to test all Pearl Equities 10G ULL and 1G LL CCs.
 
Details on testing and verifications:

1. Testing will be held on Saturday, August 22, 2026, from 9:00 a.m. to 12:00 p.m. EDT.
2. Firms are required to perform the following verifications:
   1. Verify light levels and IP routing.
   2. Verify all 10G ULL and 1G LL CCs by logging into each subscribed application for each CC (i.e. establish application-level socket connections to MEO, FOI, CTD, etc., for all ports, across all CCs) and verify the login.
   3. Confirm heartbeat receipt for both the A & B market data feeds for all subscribed multicast feeds across each CC.
   4. After verifying connectivity, firms must email MIAX Trading Operations at TradingOperations@miaxglobal.com.