Prediction Market Billionaires in ‘Bad Blood’ Battle

📡 The New York Times · 1 min read ·
Shayne Coplan of Polymarket and Tarek Mansour of Kalshi are young billionaires fighting to dominate prediction markets. The rivalry goes beyond business. It is “bad blood,” according to insiders. Both men lead platforms where users bet on future events, from elections to sports. Their personal clash is now shaping the industry’s future.