Citadel, XTX and Jane Street have come to dominate trading on Wall Street, and not just in equities. They now run a huge proportion of trading in currency and bonds, something the banks used to own. But where did they come from, why have so few people heard of them, and how did they get so big? Today on the show, Katie Martin and Robin Wigglesworth discuss the massive growth in the algorithmic trading firms. Also, they go long honesty, and long the upcoming FT Alphaville pub quiz in New York. 

Read the FT’s series about the new titans of Wall Street here. 

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You can email Robert Armstrong at robert.armstrong@ft.com and Katie Martin at katie.martin@ft.com. 

Read a transcript of this episode on FT.com

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