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Mizuho Securities controversies

Controversies tied to this brand in public sources. A listing is not a finding of fault.

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  1. 2005

    J-COM erroneous-order incident

    In December 2005, a Mizuho Securities employee entered an incorrect sell order for J-COM shares on the Tokyo Stock Exchange. A fault in the exchange’s computer system prevented the order from being canceled, leading to an approximately ¥40.7 billion loss. Mizuho Securities later obtained an approximately ¥10.7 billion damages award in litigation against the exchange.

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