Cboe Options Exchange (C1) System Status Update: Root Cause Identified for Issues Affecting Matching Range Availability

November 08, 2019 10:54:43

Cboe has identified the root cause software error which resulted in the crash yesterday, November 7, 2019 of Matching Engine 16, symbol range LOW - MPCA, and today of Matching Engine 2, symbol range ACNB-AMGN. A corrective software patch is scheduled to be in production for the Monday, November 11, 2019 trading day.

Additional details will be provided in a post mortem notice to be distributed after market close today.

Please contact the Cboe Trade Desk with any questions.

Cboe Trade Desk
[email protected]