MEMX Options & MX2 Options have revoked self-help against BOX Options

Incident Report for MEMX

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

Posted Sep 28, 2026 - 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

Posted Sep 28, 2026 - 11:43 EDT

This incident affected: MEMX U.S. Options Exchange and MX2 U.S. Options Exchange.