Which party will win the U.S. Senate?

As of Tue, 20 Oct 2026 06:50:00 UTC, Kalshi traders price Democratic Party (63.0%), Republican Party (38.0%). The market has $15.6M in volume and closes on Mon, 01 Feb 2027.

Updated:

Current odds

OutcomeChanceYes priceNo price
Democratic Party63.0%63.0¢37.0¢
Republican Party38.0%38.0¢62.0¢

Market details

Resolution rules

Each outcome is a separate contract with its own rules. The rules for Democratic Party:

If the Democratic Party has won control of the U.S. Senate in 2026, then the market resolves to Yes. This market may be determined early based on a consensus of media calls projecting control of the U.S. Senate. See full rules for details. Otherwise, victory will be determined by the party identification of the President pro tempore of the Senate on February 1, 2027.

Sources

Related markets

DOXA is a liquidity aggregator for prediction markets that compares odds and depth across Polymarket, Kalshi and others and routes each trade for best execution with an AI assistant.