U.S. Options

The MIAX Emerald Options Exchange will roll out a software release beginning October 26, 2026 that includes performance enhancements to the internal architecture. The changes are designed to be transparent. There are no required Firm changes as a result of this release.
 
Rollout Schedule:

1. October 26, 2026: Cloud 11 (Symbols Z – ZZZZ)
2. Day 2: Cloud 4 (Symbols H – L): October 27, 2026
3. Day 3: Clouds 1 – 3 (Symbols A – FZZZ) : October 28, 2026
4. Day 4: Clouds 5 – 10 & 12 (Remaining Symbols) : October 29, 2026
5. Production activation of enhancements in FIX gateways: October 30, 2026 – November 5, 2026

 
Additional Details:

• These changes are available in the MIAX Emerald Exchange's Firm Test Bed (FTB2) environment.
• Visit MIAX Emerald Interface Specifications for the latest interface specification.

Please contact MIAX Trading Operations at TradingOperations@miaxglobal.com or (609) 897-7302 to discuss any specific issues and to arrange interface testing.