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MEMX U.S. Equities Exchange Operational
MEMX U.S. Options Exchange Operational
MX2 U.S. Options Exchange Operational
User Portal (memxtrading.com) Operational
Operational
Degraded Performance
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Major outage
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No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Oct 15, 2026

No incidents reported today.

Oct 14, 2026

No incidents reported.

Oct 13, 2026

No incidents reported.

Oct 12, 2026

No incidents reported.

Oct 11, 2026

No incidents reported.

Oct 10, 2026

No incidents reported.

Oct 9, 2026

No incidents reported.

Oct 8, 2026

No incidents reported.

Oct 7, 2026

MEMX Equities - Clearly Erroneous Ruling - BIYA
Resolved - Pursuant to Rule 11.15 MEMX Equities, on its own motion, in conjunction with other exchanges and FINRA has determined to cancel all trades in security BIYA, Baiya International Group Inc., at and above $3.05 that were executed on MEMX Equities between 08:20:00 - 08:23:00 AM ET. This decision cannot be appealed. MEMX Equities will be canceling trades on the participants behalf.

MEMX Market Operations | mops@memx.com | 1-833-415-6677
Oct 7, 10:57 EDT
Monitoring - MEMX Equities is investigating potentially erroneous transactions involving the security BIYA, Baiya International Group Inc., executed between 08:20:00 - 08:23:00 AM ET today. Members should review their trading activity for potentially erroneous trades. The Exchange will advise with details as soon as available.

MEMX Market Operations | mops@memx.com | 1-833-415-6677
Oct 7, 10:07 EDT

Oct 6, 2026

No incidents reported.

Oct 5, 2026

No incidents reported.

Oct 4, 2026

No incidents reported.

Oct 3, 2026

No incidents reported.

Oct 2, 2026

No incidents reported.

Oct 1, 2026

No incidents reported.

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