The Chicago White Sox option in Polymarket, a prediction market (platform for trading event outcomes), surged in implied winning probability during the "Chicago White Sox vs. Detroit Tigers" event, rising to 96.75% from 58.5% an hour earlier. Catcher Predict, which monitored the move, said the change amounted to a 38.25% fluctuation in the sub-market of the same name and flagged related breaking news as a factor to watch behind the repricing.