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Fortune
Fortune
Eva Roytburg

AI trading is flooding Wall Street—and fueling a 1.2 trillion-message trading surge, NYSE president says

Lynn Martin, President, NYSE Group in conversation with Sheryl Estrada, Fortune. (Credit: Melissa Flynn/Fortune)

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 hyper-speed market participants that have transformed the structure of U.S. markets. 

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