MEMX Options has revoked self-help against BOX Options

Incident Report for MEMX

Resolved

MEMX Options has revoked self-help against BOX Options. Routing to this destination has resumed as of 11:09 AM ET.

All MEMX Options systems are operating normally.

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

Posted Mar 10, 2026 - 11:11 EDT

Monitoring

MEMX Options has declared self-help against BOX Options per rule 611 of Regulation NMS. Routing to this destination has been suspended as of 10:18 AM ET.

All MEMX Options systems are operating normally.

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

Posted Mar 10, 2026 - 10:18 EDT

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