USSECFR-2026-18662NewsIn force

Self-Regulatory Organizations; MEMX LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Its Rules To Permit Trading 23 Hours per Day, Five Days per Week

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https://www.federalregister.gov/documents/2026/09/14/2026-18662/self-regulatory-organizations-memx-llc-notice-of-filing-and-immediate-effectiveness-of-a-proposed

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