Categories Alerts and Notices Regulatory Notices Regulatory Notice 23-20: Proposed NMS Plan Regarding Consolidated Equity Market Data Post author By Anders Franzon Post date October 25, 2023 Date: October 25, 2023 Description: Proposed National Market System Plan Regarding Equity Market Data. RegNotice23-20Download ← Regulatory Notice 23-19: MEMX Options – Penny Program → Product Notice 23-288 to 23-292: Additional Exchange Products Approved for Trading