Polymarket pricing for the Pittsburgh Pirates vs. Miami Marlins event showed a sharp reversal, with the Pittsburgh Pirates contract dropping to 18.5% from 48.5% an hour earlier, according to monitoring by Catcher Predict. The 30-percentage-point swing suggests prediction market participants rapidly repriced the outcome as new information reached the market. In prediction markets, contract prices are commonly read as implied probabilities, meaning a move of this size can reflect a material shift in expectations tied to time-sensitive developments.