Prediction markets top $50B in June volume as Kalshi and Polymarket capture 78.5% of betting app installs
Coindesk •
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Promote with Leviathan NewsWorld Cup trading helped push prediction markets past $50B in June notional volume. Kalshi posted $31B, 85% from sports, and told CoinDesk its World Cup markets reached $22.42B; Polymarket hit $10.8B globally plus $3.5B in the U.S., while Rothera added $2B in its first month. Kalshi and Polymarket captured 78.5% of installs across six major betting apps in June, up from roughly 6% a year earlier.
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