Prediction market heavyweight Polymarket just rolled out its US-facing application, marking a significant territorial expansion into the American market.

This move positions them directly against established players like Kalshi while simultaneously challenging the dominance of conventional sports betting platforms. Industry watchers anticipate a notable redistribution of market share as Polymarket brings its blockchain-based prediction infrastructure to US users. The timing couldn't be more strategic—with prediction markets gaining mainstream traction and regulatory frameworks evolving, this launch could reshape how Americans engage with forecast-based trading. Traditional sportsbooks might want to pay attention.