Crash Exposes Flaws In Order Processing; Competition Heats Up


Trading on the New York Stock Exchange may be averaging about 150 million shares a day, but the 600-million-share days of October 1987 remain fresh in the minds of many operations executives.

During the week of Oct. 19, 1987, unprecedented volume and volatility strained the systems that route orders to exchanges and the over-the-counter market and receive execution reports. Uncertainty about whether orders had been filled and at what price proved that real-time market data is of little value

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