Live 2026 midterm odds — Senate, House and Governor races — aggregated across Kalshi and Polymarket.
Republicans have a 56% chance to control the Senate.
Democrats have a 87% chance to control the House.
Prices shown here are live market probabilities, not forecasts — they reflect what traders are willing to pay right now, aggregated across every linked venue. A 62% price means the market currently prices that outcome at roughly 62 cents on the dollar, not that it is 62% likely to occur in any statistical sense.
Where both Kalshi and Polymarket list a race, we show the highest price across venues so the page always reflects the most confident quote available.