Kalshi’s $454M Crypto Volume Week Marks Complete Reversal of Polymarket’s Early-2026 Lead

At the start of this year, Polymarket was the dominant prediction market platform when it came to crypto-themed event contracts. Across the two largest prediction markets right now, Polymarket dominated the market share here with 91.11% in the first week of January. Roughly five months later, this command has flipped almost entirely in Kalshi’s favour....