We sincerely apologize for the inconvenience experienced by investors and many other market participants caused by the glitch that occurred in the equity trading system "arrowhead" on October 9, 2018.
The following is a report on the cause of the incident and steps that the Tokyo Stock Exchange ("the TSE" below) will take to prevent a recurrence in the future.
The TSE is fully committed to taking all steps necessary to prevent the occurrence of a similar event in the future, and appreciate the cooperation of all market participants in the operation of the TSE's markets.