Robert Ralston

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People wager on potential Democratic presidential candidates on the predictions market site Polymarket on Feb. 25, 2026. Scott Olson/Getty Images

Prediction markets are opening many new opportunities for unregulated insider trading and unethical bets – in the name of making a game out of politics

Matt Motta, Boston University and Robert Ralston, University of Birmingham

The rapidly growing popularity of prediction markets is sparking worries about the markets’ effects on US politics, where campaign staff has bet on its candidate’s electoral performance.

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