“Rune Eaters sweep the series”

This trader is expressing a view that Dota 2: Yakult Brothers vs Rune Eaters (BO3) - Games of the Future Playoffs, Dota 2: Yakult Brothers vs Rune Eaters - Game 1 Winner, Dota 2: Yakult Brothers vs Rune Eaters - Game 2 Winner are correlated outcomes, committing $7,000 to this thesis across 3 prediction markets on Polymarket.