The report includes trading in all markets as reported to the NYSE for Aug. 6-10.
The data indicated that during Aug. 6-10, program trading amounted to 36.2 percent of NYSE average daily volume of 5,188.2 million shares1, or 1,880.0 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.
For the third quarter of 2007, the NYSE’s program-trading report includes profiles of program trading whenever the New York Stock Exchange Composite Index (NYA) moves 190 points or more in a single direction during any one-hour period. During Aug. 6-10, there were no such periods.
In all markets, program trading by member firms averaged 4,266.9 million shares a day during Aug. 6-10. About 44.1 percent of program trading took place on the NYSE, 0.7 percent in non-U.S. markets and 55.2 percent in other domestic markets, including Nasdaq, the American Stock Exchange and regional markets. -New York Stock Exchange