The operator settled the proceedings against its EDGA Exchange, EDGX Exchange and their affiliated routing broker Direct Edge ECN, without admitting or denying the SEC's findings.
The regulator says that on 8 November 2010, untested computer code changes resulted in EDGA and EDGX overfilling orders submitted by three members. The unwanted trades involved an estimated 27 million shares in about 1000 stocks, totalling $773 million.
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SEC sanctions Direct Edge for weak controls [Finextra]
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