U.S. Options

MIAX Emerald Options Exchange will refresh switches and perform internal maintenance on the following dates:

1. Phase 1 - Friday, August 7, 2026, post close trading
2. Phase 2 - Friday, August 14, 2026, post close trading

Following completion of the maintenance, firms can perform the following optional verifications on Saturday, August 8, 2026 and Saturday, August 15, 2026:

1. Verify connectivity to the subscribed unicast services (i.e. establish application-level socket connections to MEO, MEI, FOI, CTD, etc., for all ports, across all CCs)
2. Confirm heartbeat receipt for both the A & B market data feeds for all subscribed multicast feeds across each CC

Please contact MIAX Trading Operations at TradingOperations@miaxglobal.com or (609) 897-7302 to arrange testing or to receive additional information on the planned network refresh.