Big Take: Polymarket and Kalshi Grapple With A New Class of Insider Trader

From politics to pop culture, prediction markets thrive on uncertainty. But a massive surge in unusual trades suggests insiders with nonpublic information may be wagering millions. On today’s Big Take podcast, Bloomberg’s Denitsa Tsekova and Leonardo Nicoletti join host Sarah Holder to break down their analysis into the rise of these questionable bets — and what platforms and federal regulators plan to do about it. Listen wherever you get your podcasts.
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