"Humans are no longer the ones setting the breakneck pace on Wall Street. The New York Stock Exchange is now processing 1.2 trillion order messages per day, a staggering threefold jump from just four years ago, according to New York Stock Exchange President Lynn Martin. The surge, she said, is being driven by AI-fueled trading, algorithmic strategies, and hyperspeed market participants that have transformed the structure of U.S. markets."
"Martin said the NYSE now relies on artificial intelligence to monitor trading flows in real time, because humans alone are no longer capable of keeping up with the velocity of activity. "It's our obligation to protect the financial markets, so we have to surveil those messages," Martin said. "We can't do that with a bunch of humans. We need good technology. So we use AI in our regulatory function all over, looking for nefarious behavior in the market.""
The New York Stock Exchange processes about 1.2 trillion order messages per day, roughly triple the volume from four years earlier. AI-fueled trading, algorithmic strategies, and hyperspeed market participants drive the surge and have transformed U.S. market structure. Each message represents a buy order, sell order, or match, creating unprecedented velocity in stock trading. Human teams cannot surveil these flows in real time, so the exchange deploys artificial intelligence across regulatory functions to detect manipulation, spoofing, and cyberattacks. Rising message volumes have intensified cybersecurity concerns and led the exchange to operate private, offline data centers and advanced technological defenses.
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