“Knicks Cavaliers stay under”

This trader is expressing a view that Knicks vs. Cavaliers: O/U 218.5, Knicks vs. Cavaliers: O/U 216.5, Knicks vs. Cavaliers: O/U 217.5, and 1 more are correlated outcomes, committing $40,834 to this thesis across 4 prediction markets on Polymarket.