Polymarket Tirante Option Jumps to 50% in U.S. Open Match Submarket

Catcher Predict monitoring showed the Tirante option in Polymarket’s U.S. Open match market for Tirante vs. Mannarino’s game spread plus or minus 3.5 submarket rose sharply from 22.5% one hour earlier to 50%, a 27.5 percentage-point move. According to ChainCatcher, the change may reflect the impact of related breaking news.