Wall Street Wades Into Sports Gambling as Legalization Spreads

Stocks, bonds, and a bit of basketball.

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The line between trading and gambling has always been fuzzy. So now that 13 U.S. states have live legal sports betting and several more have approved it, following a 2018 Supreme Court ruling, it’s natural to wonder if Wall Street will start looking for a piece of the action.

A few firms already are. At least one is actually making bets, much as a hedge fund trades stocks. Susquehanna International Group LLP, a quantitative trading firm headquartered in Bala Cynwyd, Pa., is building up a sports betting division in Ireland, where such wagers have long been legal. The business unit, called Nellie Analytics—named after co-founder Jeff Yass’s dog—has about 20 employees.