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Program Trading Averaged 27.2 Percent of NYSE Volume during June 16-20

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NEW YORK, June 26, 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 June 16-20.

The data indicated that during June 16-20, program trading amounted to 27.2 percent of NYSE average daily volume of 4,127.0 million shares1, or 1,121.1 million program shares traded per day.  This included program trading associated with the June 20 quarterly expiration of stock-index options, futures and options on index futures.

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 3,029.0 million shares a day during June 16-20.  About 37.0 percent of program trading took place on the NYSE, 0.7 percent in non-U.S. markets and 62.3 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: Stephanie Scotto
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