Prediction Market Traders Push April 2026 Volume to $8.6B, Kalshi Takes the Lead – Bitcoin News
Bitcoin Prediction Market Traders Push April 2026 Volume to $8.6B, Kalshi Takes the Lead – Bitcoin NewsKalshi posted $5.42B in April 2026 taker , surpassing Polymarkets $1.99B for the first time.Polymarket collected $29.22M in April fees despite trailing Kalshi in , signaling higher-value contracts.open interest hit $1.11B on May 1, 2026, with Kalshi and Polymarket holding 98% of it. Kalshi Holds $630M in Open Interest as Sector-Wide OI Tops $1.1B at the Start of May Essentially, prediction markets are platforms where participants buy and sell contracts tied to the outcome of future events, from elections and sports to prices and economic indicators. Contract prices reflect the crowds collective probability estimate of an outcome, settling at $1 if correct or $0 if not. The model has roots stretching back to 19th-century election betting on Wall Street, and gained academic credibility in 1988 when University of Iowa professors launched the Iowa Electronic Markets to test whether crowd-sourced contract prices could outforecast traditional polls. It was realized that they could. Commercial platforms followed, with Intrade drawing mainstream attention in the 2000s before U.S. legal pressure shut it down. Augur brought the concept to in the 2010s, though the platform never gained meaningful traction. The real inflection came in