NYSE Cancels Mistaken Options Trades on Dow Average, S&P 500
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NYSE Euronext canceled some options trades tied to three of the most-watched U.S. equity indexes after determining they were mistakes.
NYSE reviewed transactions executed between 4:12 p.m. and 4:15 p.m. New York time for contracts linked to the Dow Jones Industrial Average, Standard & Poor’s 500 Index and Russell 2000 Index as well as Citigroup Inc., according to messages sent by the exchange operator. Fewer than 150 trades were voided, spokesman Eric Ryan said in an e-mail.