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Alerts and Notices Trader Alerts

Trader Alert 23-06: Market Data Fee Update Effective March 1, 2023

Effective Wednesday, March 1, 2023, MEMX will be modifying the following fees for market data products as set forth below, subject to filing with the SEC.   DELIVERY  MEMOIR DEPTH  MEMOIR TOP  MEMOIR LAST SALE  Non-Display Usage not by Trading Platforms1  $2,500   $1,500  N/A  N/A  Non-Display Usage by Trading Platforms1  $2,500   $4,000  N/A  N/A  1 Fee […]

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Alerts and Notices Trader Alerts

Trader Alert 23-05: Fee Schedule Update Effective February 1, 2023

Effective Wednesday, February 1, 2023, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC: Adopt new pricing for executions of orders subject to the Exchange’s Display-Price Sliding that add liquidity and receive price improvement, which are also subject to the Exchange’s Non-Display Add Tiers. Adopt a new Liquidity […]

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Alerts and Notices Trader Alerts

Trader Alert 23-04: MEMX Trading Hours Change

Effective Wednesday, February 1, 2023, the Post-Market Trading Session will be extended to 8PM ET rather than 5PM ET.

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Alerts and Notices Trader Alerts

Trader Alert 23-03: Updated MEMO Fix, MEMO SBE, and Fix Drop Specifications

On Tuesday, January 17, 2023, MEMX released new versions of its current MEMO FIX, MEMO SBE, and FIX Drop Specifications. Version 1.11 can be found here using the “upcoming version” link. The changes include the following which are outlined in the Errata. Added new Security Group (tag 1151) field to the ExecutionReport-Trade and Trade Cancel/Correct messages indicating the security’s […]

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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 23-01: Holiday Reminder – Closed January 2,2023

MEMX will be closed Monday, January 2, 2023, in observance of New Year’s Day.   MEMX Market Hours and Holiday Schedule  Please contact Market Operations with any questions.   MEMX Market Operations | mops@memx.com | 1-833-415-6677  

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Alerts and Notices Trader Alerts Uncategorized

Trader Alert 22-34: Holiday Reminder – Closed December 26, 2022

MEMX will be closed Monday, December 26, 2022, in observance of Christmas Day.   MEMX Market Hours and Holiday Schedule  Please contact Market Operations with any questions.   MEMX Market Operations | mops@memx.com | 1-833-415-6677  

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Alerts and Notices Trader Alerts

Trader Alert 22-33: Fee Schedule Update Effective December 1, 2022

Effective Thursday, December 1, 2022, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC: Convert the NBBO Setter Tier to the NBBO Setter/Joiner Tier 1, which now provides an increased additive rebate for executions of setter/joiner volume (other than Retail Orders) in securities ≥$1. Adopt a new NBBO […]

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Alerts and Notices Trader Alerts

Trader Alert 22-32: Updated MEMO Fix, MEMO SBE, and Fix Drop Specifications

On Tuesday Nov 22, 2022, MEMX released new versions of its current MEMO FIX, MEMO SBE, and FIX Drop Specifications. Version 1.8 Rev-C, 1.9 Rev-C, 1.9 Rev-D, and 1.10 Rev-C and 1.10 Rev-D can be found here using the “upcoming version” link. The changes include the following which are outlined in the Errata and leverage existing fields […]

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Alerts and Notices Trader Alerts

Trader Alert 22-29: Fee Schedule Update Effective November 1, 2022

Effective Tuesday, November 1, 2022, MEMX will be implementing the following changes to transaction fees, subject to filing with the SEC: Adopt a new Liquidity Provision Tier 4 (and renumber the existing Liquidity Provision Tier 4 as Liquidity Provision Tier 5). Change the required criteria under Liquidity Provision Tier 2. Change the fee and the […]

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Alerts and Notices Trader Alerts

Trader Alert 22-28: Fee Schedule Update Effective October 3, 2022

Effective Monday, October 3, 2022, MEMX will be implementing the following change to transaction fees, subject to filing with the SEC: Modify the required criteria under the Step-Up Additive Rebate. Changes are reflected in bold text below. Step-Up Additive Rebate Tier Additive Rebate Per Share* Required Criteria Tier 1 $(0.0002) Member has (1) an ADAV […]