The Securities Information Processors (“SIPs”) will conduct a Market-Wide Circuit Breaker (“MWCB”) Level 1, Level 2 and Level 3 test on Saturday, September 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 by MEMX are required to participate in at least one industry-wide MWCB test each testing year and to verify participation. Please see Regulatory Notice 24-07: Mandatory Participation in Market-Wide Circuit Breaker Testing. MEMX encourages all members to participate in MWCB testing.
The SIPs’ current MWCB testing schedule includes:
- Saturday, September 7, 2024 – MWCB Level 1, Level 2 and Level 3
- Saturday, December 7, 2024 – SIP Failover / MWCB Level 1 and Level 2
- First test scheduled in the 2025 calendar year
For questions regarding designation as a MEMX mandatory participant, please contact MEMX Compliance: compliance@memx.com.
Please contact Market Operations with any questions.
MEMX Market Operations
1-833-415-6677