MIAX Puts Origin Codes on Hold for Trader Relief
Published Date: 3/4/2026
Notice
Summary
MIAX is hitting the pause button on adding origin codes to its AIS feed’s liquidity event messages. This delay means traders and tech teams get more time to adjust without any surprise costs or rushed changes. Everyone using MIAX’s data feed can breathe easy while the Exchange fine-tunes the rollout.
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
MIAX delays AIS feed origin code
MIAX will delay adding an "origin code" to the Administrative Information Subscriber (AIS) feed liquidity seeking event messages until Q4 2026. This gives Exchange Members, traders, and tech teams more time to finish technical changes; the Exchange will issue a Regulatory Circular at least 30 days before implementing the change.
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