“Legion sweeps the series”

This trader is expressing a view that Dota 2: LEGION vs HULIGANI - Game 2 Winner, Dota 2: LEGION vs HULIGANI (BO3) - EPL Masters Playoffs, Dota 2: LEGION vs HULIGANI - Game 1 Winner are correlated outcomes, committing $10,500 to this thesis across 3 prediction markets on Polymarket.