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Alerts and Notices Trader Alerts

Trader Alert 22-17: Minor Update to MEMO FIX Version 1.9 and 1.10 Specifications

On May 27, 2022, MEMX released new minor versions of its MEMO FIX 1.9 and 1.10 specification to correct a typo. Version 1.9 Rev A and 1.10 Rev A include the following correction and can be downloaded  here: Section 6.3 Logon initially identified DefaultCstmApplVerID as Tag 1480, but should have been identified as 1408. Tag […]

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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 22-16: Fee Schedule Update Effective June 1, 2022

Effective Wednesday, June 1, 2022, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC:  Adoption of a new Liquidity Provision Tier 1 (and renumbered the three existing Liquidity Provision Tiers to 2-4).  Addition of alternative criteria under Liquidity Provision Tier 2.  Modification of the required criteria and reduction […]

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605 Reports

April 2022

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Alerts and Notices Product Notices

Product Notice 22-132: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 22-131: Additional Exchange Products Approved for Trading

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Effective Rule Filings Rule Filings

SR-MEMX-2022-14: Proposed Changes to Fee Schedule

Date Filed: May 23, 2022 Description: Proposed rule change to amend the Fee Schedule to adopt fees the Exchange will charge to Members and non-Members for market data products.

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Alerts and Notices Product Notices

Product Notice 22-129 to 22-130: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 22-128: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 22-126 to 22-127: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 22-122 to 22-125: Additional Exchange Products Approved for Trading