About This Market
SharePrediction markets on Polymarket and Kalshi are tracking the winner of the CA-45 House race in the upcoming 2026 elections. This contest is pivotal as it could influence the balance of power in Congress and reflect voter sentiment on key issues in the state.
Republican Party leads the “CA-45 House winner” event at 52.3% implied probability, followed by Democratic Party at 47.5%. A 74.5% cross-platform spread signals an active arbitrage window.

