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Trading volume on prediction markets has soared in recent months

Pew Research Center · Kaitlyn Radde · last updated

Prediction market trading volume has risen from under $5 billion monthly in mid 2025 to nearly $24 billion in April 2026, with sports dominating.

Prediction markets allow people to trade on the outcome of real-world events, from basketball games to elections. And trading volume on Kalshi and Polymarket – the two leading prediction markets – has increased dramatically since mid-2025.

Combined monthly global trading volume on these platforms has risen from less than $5 billion in September 2025 to about $24 billion in April 2026, according to a Pew Research Center analysis of data from The Block, a digital assets media and information firm.

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