Tag Archives: NBBO

Unacceptable Options OPRA Trading Halt due to Software Upgrade at NYSE

The trading halt across U.S. options markets on Monday was due to a bug in new software being rolled out, a unit of NYSE Euronext (NYX.N), which operates the system, said on Tuesday, which was reported by Reuters. NYSE said … Continue reading

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Knowledge@Wharton on High-speed Trading: Is It Time to Apply the Brakes?

How fast is high-frequency stock trading? In the time it takes to read this sentence, tens of thousands of high-speed, computer-automated transactions can occur. Winning traders edge out rivals by intervals measured in nanoseconds. Fans of the practice say that high-frequency … Continue reading

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