“Natus Vincere sweeps the series”

This trader is expressing a view that Dota 2: Natus Vincere vs Klim Sani4 - Game 3 Winner, Dota 2: Natus Vincere vs Klim Sani4 - Game 1 Winner, Dota 2: Natus Vincere vs Klim Sani4 - Game 2 Winner are correlated outcomes, committing $12,000 to this thesis across 3 prediction markets on Polymarket.