// Hacker Noon · 17 April 2026

Prediction Markets Hit Record $6.5 Billion Week as Kalshi and Polymarket Surge

Prediction markets recorded their strongest week on record, with total industry weekly notional volume crossing $6.5B. Kalshi led the surge with $3.54B in volume and now controls roughly 90% of the U.S. market. On Polymarket, 5-minute and 15-minute contracts now account for 80%+ of crypto-only volum...

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