Categories Alerts and Notices Regulatory Notices Regulatory Notice 23-13: Signaling of Impending Orders and Prearranged Trading Post author By Anders Franzon Post date September 15, 2023 Date: September 15, 2023 Description: Regulatory Notice regarding Signaling of Impending Orders and Prearranged Trading RegNotice23-13Download ← Regulatory Notice 23-12: Options Position Limits → SR-MEMX-2023-24: Proposed Changes to Fee Schedule