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Alerts and Notices Regulatory Notices

Regulatory Notice 23-09: Test Symbol Usage

Date: August 14, 2023 Description: Reminder regarding test symbol usage.

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Alerts and Notices Trader Alerts

Trader Alert 23-24: MEMX Options Weekend Test #1

MEMX Options will host the first of three planned pre-launch production tests on Saturday, August 19, 2023. The following details how clients can participate, registration is not required.   Symbol Directory:  The symbol directory for the weekend test will be available on Tuesday, August 15.  Order Entry:   Members will be able to use their current Pre-Prod […]

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Alerts and Notices Trader Alerts

Trader Alert 23-23: Holiday Reminder – Closed September 4, 2023

MEMX will be closed Monday, September 4, 2023, in observance of Labor Day. Normal trading will resume on Tuesday, September 5, 2023. MEMX Market Hours and Holiday Schedule Our Market Operations and Member Experience teams are here for any of your questions.   MEMX Market Operations mops@memx.com 1-833-415-6677   MEMX Member Experience memberx@memx.com 1-833-415-6369 

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Alerts and Notices Product Notices

Product Notice 23-187 to 23-191: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 23-185 to 23-186: Additional Exchange Products Approved for Trading

Categories
Alerts and Notices Regulatory Notices

Regulatory Notice 23-08: Options Principal Requirements

Date: August 7, 2023 Description: Regulatory notice to inform all MEMX Options Members about the Options Principal requirements.

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Alerts and Notices Product Notices

Product Notice 23-182 to 23-184: Additional Exchange Products Approved for Trading

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Alerts and Notices Product Notices

Product Notice 23-181: Additional Exchange Products Approved for Trading

Categories
Alerts and Notices Regulatory Notices

Regulatory Notice 23-07: MEMX Options – Options Regulatory Fee

Date: August 1, 2023 Description: MEMX Options – Notice Announcing Options Regulatory Fee Effective September 13, 2023, subject to filing with the SEC.

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Alerts and Notices Product Notices

Product Notice 23-179 to 23-180: Additional Exchange Products Approved for Trading