“KT Rolster wins the series”

This trader is expressing a view that LoL: KT Rolster vs Team Vitality (BO5) - Demacia Cup Global Invitational Playoffs, LoL: KT Rolster vs Team Vitality - Game 2 Winner, LoL: KT Rolster vs Team Vitality - Game 3 Winner are correlated outcomes, committing $15,323 to this thesis across 3 prediction markets on Polymarket.