MEMX Clarifies Market Maker Signup Deadlines
Published Date: 6/30/2026
Notice
Summary
MEMX is updating its rules to make it clearer when Options Market Makers need to submit their appointment requests for trading option contracts. This change affects Options Market Makers who trade on MEMX and helps avoid confusion about deadlines. The new rule is effective immediately, so market makers should act fast to stay on track and keep their trading smooth.
No Economic Impacts Identified for this Document
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