All Systems Operational

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
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

Sep 29, 2026

No incidents reported today.

Sep 28, 2026

Resolved - MEMX Options & MX2 Options has revoked self-help against BOX Options. Routing to this destination has resumed as of 12:21 PM ET.

All MEMX Options and MX2 Options systems are operating normally.

MEMX Market Operations | mops@memx.com | 1-833-415-6677

Sep 28, 12:22 EDT
Monitoring - MEMX Options & MX2 Options have declared self-help against BOX Options per rule 611 of Regulation NMS. Routing to this destination has been suspended as of 11:43 AM ET.

All MEMX Options & MX2 Options systems are operating normally.

MEMX Market Operations | mops@memx.com | 1-833-415-6677

Sep 28, 11:43 EDT

Sep 27, 2026

No incidents reported.

Sep 26, 2026

No incidents reported.

Sep 25, 2026

No incidents reported.

Sep 24, 2026

No incidents reported.

Sep 23, 2026

No incidents reported.

Sep 22, 2026

No incidents reported.

Sep 21, 2026

Postmortem - Read details
Sep 21, 16:30 EDT
Resolved - MX2 Options experienced an issue with Risk Port configuration. MX2 Options customers experienced a brief disconnection from Risk Ports at 12:20 PM ET. The MX2 Options Risk Port configuration issue has been resolved. Please contact MEMX Market Operations with any questions.

This issue does not impact MEMX Options or MEMX Equities.

MEMX Market Operations | mops@memx.com | 1-833-415-6677

Sep 21, 12:21 EDT
Resolved - The MX2 Options Drop Port configuration issue has been resolved. Please contact MEMX Market Operations with any questions.

This issue did not impact MEMX Options or MEMX Equities.

MEMX Market Operations | mops@memx.com | 1-833-415-6677

Sep 21, 11:49 EDT
Identified - MX2 Options experienced an issue with Drop Port configuration. MX2 Options customers should expect a brief disconnection from a subset of Drop Ports and will be able to reconnect at the sequence number last seen when the disconnection has resolved.

This issue does not impact MEMX Options or MEMX Equities.

MEMX Market Operations | mops@memx.com | 1-833-415-6677

Sep 21, 11:44 EDT

Sep 20, 2026

No incidents reported.

Sep 19, 2026

No incidents reported.

Sep 18, 2026

No incidents reported.

Sep 17, 2026

No incidents reported.

Sep 16, 2026

No incidents reported.

Sep 15, 2026

No incidents reported.