Program Trading Averaged 24.1 Percent Of NYSE Volume During July 22-26

The New York Stock Exchange, a subsidiary of NYSE Euronext (NYX), today released its weekly program-trading data compiled from member firms’ executed volume from NYSE’s orders database. The report includes trading on the NYSE for July 22-26.

The data indicated that during July 22-26, program trading amounted to 24.1 percent of NYSE average daily volume of 1,341.8 million shares¹, or 322.8 million program shares traded per day. 

Program trading encompasses a wide range of portfolio-trading strategies involving the purchase or sale of a basket of at least 15 stocks.  

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1 The NYSE calculates program trading as the sum of shares bought, sold and sold short in program trades.  The total of these shares is divided by the sum of shares bought, sold and sold short on the NYSE including its crossing sessions.