Why Polymarket and Kalshi grew recently

Prediction markets, platforms where people bet against one another on the outcomes of real-world events, are growing rapidly. The likes of Polymarket and Kalshi now collectively handle billions of dollars in bets every week. These markets have blurred the lines between gambling and trading, and their growth has been helped by a relaxed regulatory environment under US President Donald Trump. Our digital finance reporter Emily Nicolle joins Stephen Carroll to discuss.

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