Polymarket's market for the LCK Playoffs matchup between T1 and BNK FEARX (BO5) experienced a notable decline in the T1 win option under the match-winner submarket. The implied probability moved from 92.5% to 77.5% in about one hour, a 15-percentage-point drop.

ChainCatcher noted that the decline appears linked to a sudden news development surrounding the event.