The data indicated that during June 20-24, program trading amounted to 76.3 percent of NYSE average daily volume of 1,751.0 million shares, or 1,335.5 million shares a 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. Program trading is calculated as the sum of the shares bought, sold and sold short in program trades. The total of these shares is divided by total reported volume.
This is not the only way to measure program trading. Three alternatives for June 20-24 would be to:
- examine buy programs as a percentage of total purchases (37.8 percent);
- examine sell programs as a percentage of total sales (38.5 percent);
- examine program purchases and sales as a percentage of total purchases and sales (38.1 percent).
In all markets, program trading by member firms averaged 2,859.6 million shares a day during June 20-24. About 46.7 percent of program trading took place on the NYSE, 4.3 percent in non-U.S. markets and 49.0 percent in other domestic markets, including Nasdaq, the American Stock Exchange and regional markets.
In aggregate, program volume executed on the NYSE by firms as agent, for non-member customers, amounted to 48.1 percent during June 20-24. Program volume executed as principal, for their own accounts, amounted to 32.7 percent of program volume.
Another 19.1 percent was designated as customer facilitation, in which a member firm established or liquidated a principal position to facilitate a program order initiated by a customer.
Of the five member firms reporting the most program trading activity on the NYSE, UBS Securities, LLC. executed most of its program trading as principal for its own account. Goldman, Sachs & Co., Citigroup Global Markets, Deutsche Bank Securities and Morgan Stanley & Co. Inc. executed most of their program trading activity for customers, as agent.
During June 20-24, 5.5 percent of program volume executed by NYSE member firms related to index arbitrage. Index arbitrage is defined as the purchase or sale of a basket of stocks in conjunction with the sale or purchase of a derivative product such as stock-index futures, to profit from the price difference between the basket and the derivative product.
Less than 0.1 percent involved derivative product-related strategies (besides index arbitrage) that are subject to Rule 80A. The rule provides that derivative-related program strategies be executed only in a stabilizing manner after the DJIA moves 210 points or more from the previous day’s close.
In addition to index arbitrage, such strategies include customer facilitations, liquidation of facilitations, index substitutions, liquidation of error accounts, risk modifications, and liquidation of exchange-for-physicals stock positions.
All other types of portfolio-trading strategies combined accounted for 94.5percent of member firms’ program-trading volume during June 20-24
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