{"url_path":"/register/2026-05-14/2026-09596","section_key":"summary","section_title":"Self-Regulatory Organizations; Cboe BYX Exchange, Inc.; Notice of Filing of a Proposed Rule Change To Amend Rule 11.25 To Introduce an Optional, Contingent Instruction Applicable to Periodic Auction Only Orders, Introduce a Time-in-Force of Auction or Cancel, and Make Conforming Changes to Its Periodic Auction Processing Behavior To Support the Proposed Contingent Instruction","topic":"register","document":{"doc_type":"Notice","doc_date":"2026-05-14","source_url":"https://www.federalregister.gov/documents/2026/05/14/2026-09596/self-regulatory-organizations-cboe-byx-exchange-inc-notice-of-filing-of-a-proposed-rule-change-to","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"Securities and Exchange Commission"},"word_count":67,"has_tables":false,"body_markdown":"# Self-Regulatory Organizations; Cboe BYX Exchange, Inc.; Notice of Filing of a Proposed Rule Change To Amend Rule 11.25 To Introduce an Optional, Contingent Instruction Applicable to Periodic Auction Only Orders, Introduce a Time-in-Force of Auction or Cancel, and Make Conforming Changes to Its Periodic Auction Processing Behavior To Support the Proposed Contingent Instruction\n\n**Type:** Notice\n**Published:** 2026-05-14\n**Citation:** 91 FR 27406\n**Agencies:** Securities and Exchange Commission\n**Source:** https://www.federalregister.gov/documents/2026/05/14/2026-09596/self-regulatory-organizations-cboe-byx-exchange-inc-notice-of-filing-of-a-proposed-rule-change-to"}