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Program Trading Averaged 21.6 Percent of NYSE Volume during July 21-25

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NEW YORK, July 31, 2008 -- The New York Stock Exchange today released its weekly program-trading data submitted by its member firms.  The report includes trading in all markets as reported to the NYSE for July 21-25.

The data indicated that during July 21-25, program trading amounted to 21.6 percent of NYSE average daily volume of 4,844.5 million shares1, or 1,046.4 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 with a total value of $1 million or more. 

In all markets, program trading by member firms averaged 3,138.2 million shares a day during July 21-25.  About 33.3 percent of program trading took place on the NYSE, 0.6 percent in non-U.S. markets and 66.0 percent in other domestic markets, including Nasdaq, the American Stock Exchange and regional markets.




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.

Contact: Mirtha Medina
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