Polymarket pricing for the Cincinnati Open match between Thiago Agustin Tirante and Martin Landaluce shifted sharply over the past hour, with the implied winning probability for Tirante rising from 55.5% to 78.5%, according to monitoring by Catcher Predict. The 23-point move suggests traders rapidly repriced the market, a pattern often seen in prediction markets when participants react to fresh information. Catcher Predict said the swing may be linked to related breaking news.