Kalshi has overtaken prediction market leader Polymarket by registering higher trading volumes for three weeks running. Last week, Kalshi users traded $728 million worth of bets. That’s almost 60% more than Polymarket, and almost as much as the record $749 million weekly volume Kalshi handled in the lead up to the 2024 US presidential election. The booming sports betting market is driving the success, according to Dustin Gouker, a sports betting consultant and predictions market analyst. “Football is no ...