Polymarket Odds for Alexander Blockx Surge in U.S. Open ATP Match

Polymarket odds for the U.S. Open ATP match between Alexander Blockx and Flavio Cobolli swung sharply, with the Alexander Blockx option rising from 50.5% an hour ago to 83.5% at the time of monitoring. According to ChainCatcher, the move reflected a 33% increase in the submarket probability and may have been influenced by breaking news.