The TSE has now admitted that its systems suffered an "irregularity" while processing the erroneous order, which meant that Mizuho's attempts to cancel the order were ignored. Mizuho has since been settling the erroneous trades in cash, which has cost over $200 million.
TSE president Takuo Tsurushima said yesterday that he was considering resigning over the issue. The TSE is also investigating the problem with Fujitsu, the systems manufacturer.
The week on Risk.net, July 7-13, 2018Receive this by email