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Effective Rule Filings Rule Filings

SR-MEMX-2024-45: Proposal to Amend Exchange Rule 19.3

Date Filed: November 27, 2024 Description: Proposal to amend Rule 19.3 (Criteria for Underlying Securities) to allow the Exchange to list and trade options on the iShares Bitcoin Trust.

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605 Reports

October 2024

Rule 605 Disclosure of Order Execution Information

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Alerts and Notices Regulatory Notices

Regulatory Notice 24-18: Annual Meeting and Nominees for Member Representative Director

Date: November 13, 2024 Description: Notice of Annual Meeting and Nominees for Member Representative Director Positions on the Exchange’s Board of Directors

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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 24-53: Holiday Reminder – Thanksgiving Holiday Schedule

MEMX Equities and MEMX Options will be closed Thursday, November 28, 2024, in observance of Thanksgiving. MEMX Equities will follow an abbreviated trading schedule on Friday, November 29, 2024, in which the regular market session will conclude at 1:00pm ET and the post-market session will conclude at 2:00pm ET. MEMX Options will follow an abbreviated […]

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Alerts and Notices Trader Alerts

Trader Alert 24-52: MWCB Testing Opportunity – December 7, 2024

The Securities Information Processors (“SIPs”) will conduct data center failover testing as well as Market-Wide Circuit Breaker (“MWCB”) breach Level 1 and 2 on Saturday, December 7, 2024. In coordination with other market participants, MEMX will participate in the test per the following test script: MEMX 2024 Market-Wide Circuit Breaker Test Script. Certain members designated […]