2026 Midterm Election Odds

As of today, prediction markets price the Republican Party at 56% for Senate control and the Democratic Party at 86% for House control — across $76.4M in traded volume on 195 tracked midterm markets.

Every 2026 midterm market W.E.T. tracks across Kalshi and Polymarket — implied probability, volume, and the cross-venue read. Race pages update daily and convert to permanent “what the market predicted” archives once each race settles. Data, not advice; see the methodology.

W.E.T. is an information and data service — not a gambling operator. We take no bets and hold no funds. Implied probabilities are live market prices, not forecasts or advice. Prediction markets may be restricted in your jurisdiction — check local law. 18+.