U.S. Options

The MIAX Options Exchange will rebalance symbol to cloud allocations effective Monday, July 20, 2026.

Application layer connectivity testing will be available for firms to confirm changes on Saturday, July 18, 2026 between 8:30 a.m. and 10:30 a.m. ET. 

Symbol Range to Cloud Allocation:

1. A  (with the exception of symbols AAPL, AMD and AMZN)
2. B
3. C
4. D-F
5. G-H  (with the exception of symbols GOOG and GOOGL)
6. I
7. J-L
8. M  (with the exception of symbols META and MU)
9. N
10. O
11. P-R  (with the exception of symbol QQQ)
12. S  (with the exception of symbols SNDK, SPCX and SPY)
13. T-U  (with the exception of symbol TSLA)
14. V-Y
15. Z
16. AAPL, AMZN
17. AMD
18. GOOG, GOOGL
19. META, SNDK
20. MU
21. QQQ
22. TSLA
23. SPCX
24. SPY

 
Market Data Dissemination:

1. Market Data Feed content for each symbol will be disseminated across the assigned Cloud multicast addresses for:
   1. Top of Market (ToM) Feed
   2. Complex Top of Market (cToM) Feed
   3. MIAX Order Feed (MOR)
   4. Administrative Information Subscriber (AIS) Feed
2. MIAX Express Interface (MEI) customers will need to direct their interface activity for options to their MEI sessions for each Cloud 
3. FIX Order Interface (FOI), Clearing Trade Drop (CTD) and FIX Drop Copy (FXD) customers are not impacted

For additional details, please visit MIAX Options Interface Specifications.

If you have any questions or to arrange testing, please contact Trading Operations at TradingOperations@miaxglobal.com or (609) 897-7302.