Prediction market odds on House & Senate control
The 2026 midterm elections will determine control of the US House and Senate. Prediction markets are already pricing key races, with traders betting on which party will control each chamber and the outcomes of competitive individual races. These real-money odds provide an alternative to traditional polling and pundit forecasts.
Prediction market odds update in real time. Check the markets below for the latest probabilities on House and Senate control, as well as individual race outcomes.
The 2026 US midterm elections are held on the first Tuesday after the first Monday in November — November 3, 2026. All 435 House seats and approximately 33-34 Senate seats will be contested.
2026 United States Congressional Elections
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