Which party will win the Senate in 2026?
Prediction market tracked on Prediction Pantheon in the Elections category with $8.0M traded.
Expected settlement: 2026-11-04.
Buy prices at last build
- Democratic Party: Polymarket 68¢
Prices are buy prices on each platform when this page was built; open the page in a browser for live prices.
Settlement rules
Polymarket: This market will resolve according to the party that wins control of the United States Senate in the 2026 United States midterm election. A party wins control of the United States Senate if it wins a majority of the chamber’s voting seats. If no party wins a majority of voting seats, the party that wins control of the chamber is the party that wins half of the voting seats and holds the Vice Presidency. If the outcome remains ambiguous after applying the above criteria, the chamber will be deemed controlled by the party with which the first selected President Pro Tempore of the Congress that convenes after the specified election is affiliated. The following rules govern the counting of seat…