According to Catcher Predict's monitoring, in the "Dolphins vs. Vikings" event on the prediction market Polymarket, the winning rate of the "Dolphins" option in the submarket "1H Spread -21.5" fluctuated violently, soaring from 21.6% 1 hour ago to the current 50% (with a fluctuation range of 28.4%). Please pay attention to the impact of relevant breaking news.