“Aurora sweeps the BO3 series”

This trader is expressing a view that Dota 2: BoomBoys vs Aurora - Game 2 Winner, Dota 2: BoomBoys vs Aurora (BO3) - The International Group Stage, Dota 2: BoomBoys vs Aurora - Game 1 Winner are correlated outcomes, committing $13,000 to this thesis across 3 prediction markets on Polymarket.