October 19, 2016 17:24:19
Post Mortem: Bats EDGX Options Exchange System Failure on Wednesday, October 19, 2016
SCI System(s) Affected: Matching Engines services underlying symbols in the range A - CYGZZ
Incident Description: System Disruption - Bats EDGX Options experienced a failure of a single matching engine host which impacted trading in underlying symbol range A - CYGZZ. The fail-over started 13:33:35 and completed 13:37:57 ET.
Members Affected: All Members
Corrective Action: Affected matching engines were automatically failed to a secondary system. The issue with the primary system will be remediated after hours.