About This Market
SharePolymarket and Kalshi are tracking the House race for WA-05, set for November 3, 2026. This contest will be pivotal in determining the balance of power in Congress, influenced by local issues and national political trends leading up to the election.
Republican party leads the “Which party will win the House race for WA-05” event at 75.8% implied probability, followed by Democratic party at 21.5%. A 5.0% cross-platform spread signals an active arbitrage window.

