Polymarket trader exploits UFC blunder, turns $676 into $67,000 in under a minute

The episode underscores how quickly prediction market prices can whipsaw on live-event errors. What to know : A Polymarket trader turned about $676 into $67,000 in under a minute after UFC announcer Bruce Buffer briefly named the wrong winner of a heavyweight bout. The episode underscores how quickly prediction market prices can whipsaw on live-event errors and raises questions about how platforms should handle payouts when the official source of truth makes a mistake.