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Alerts and Notices Product Notices

Product Notice 23-178: Additional Exchange Products Approved for Trading

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Alerts and Notices Trader Alerts

Trader Alert 23-22: Fee Schedule Update Effective August 1, 2023

Effective Tuesday, August 1, 2023, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC: • Reduce the base rebates for executions of orders that add displayed volume in securities ≥$1. • Reduce the rebate under Liquidity Provision Tier 1. • Change the required criteria for Liquidity Provision Tier 2. • Reduce the base rebates for executions of orders that add […]

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Alerts and Notices Product Notices

 Product Notice 23-176 to 23-177: Additional Exchange Products Approved for Trading

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Alerts and Notices Regulatory Notices

Regulatory Notice 23-06: Obvious Error

Date: July 27, 2023 Description: Process for the Nullification and Adjustment of Options Transactions including Obvious Errors

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Effective Rule Filings Rule Filings

SR-MEMX-2023-14: Amendment to Rule 2.4

Date Filed: July 25, 2023 Description: Proposed rule change to amend the manner in which the Exchange will designate certain Options Members to participate in its mandatory disaster recovery testing, pursuant to Regulation SCI and MEMX Rule 2.4 for calendar year 2023.

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Alerts and Notices Product Notices

Product Notice 23-173 to 23-175: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 23-171 to 23-172: Additional Exchange Products Approved for Trading

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605 Reports

June 2023

Rule 605 Disclosure of Order Execution Information

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Alerts and Notices Regulatory Notices

Regulatory Notice 23-05: Options Market Maker Obligations

Date: July 21, 2023 Description: Options Market Maker Obligations and Excused Withdrawal of Market Maker Quotations

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Alerts and Notices Product Notices

Product Notice 23-170: Additional Exchange Products Approved for Trading