A Polymarket user known as 'romanticpaul' accurately predicted Taylor Swift's engagement to NFL star Travis Kelce, significantly increasing the probability of the event on the platform. Starting from 3 PM local time on August 27, the user raised the likelihood of the engagement from 25% to 45%. Despite the successful prediction, the total funds involved were relatively modest, totaling around $350,000. Taylor Swift confirmed the engagement today via social media.