Programs for trading on the stock exchange options
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Rudimentary program trading began in the seventies, with the trades in the program being walked around to the market maker's specialist's posts at the New York Stock Exchange. Since then the techniques have become much more sophisticated and efficient. Today, professional investment managers and brokers can send orders to buy or sell groups of stocks directly from their computers to computers at the exchange. On most days, program trading represents about 10 percent of overall trading on the NYSE.
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