The 2026 United States Midterms will be held on November 3, and control of the United States Senate will be on the line with 35 seats up for grabs. Republicans currently control that chamber of Congress with 53 seats, while Democrats occupy 47 heading into the midterms 2026. With Republican Vice President J.D. Vance breaking deadlocks in the Senate, Democrats are seeking 51 seats to take a majority. Claim the Kalshi promo code SPORTSLINE55 for a $55 bonus here:
You can trade on the outcome of the 2026 US Senate races on prediction markets like Kalshi, with hundreds of political markets offered. That includes "Which Party will win the US Senate?" Kalshi currently lists the Democrats as the trading favorites to win a majority. They're priced at $0.62 per share and Republicans are priced at $0.39 per share as of Sept. 28.
How to claim the Kalshi promo code SPORTSLINE55 for $55 bonus
Sign Up: Click Claim Bonus and enter code SPORTSLINE55 during registration.
Verify: Pass identity verification (KYC)
Deposit: Complete a deposit of $10+.
Trade $25: Place $25 or more in trades within 30 days.
Use Bonus Credits: Receive $55 in bonus trading credits and trade them within 7 days.
Withdraw Cash Profits: Withdraw net cash profits from winning trades after completing the trade-through requirement.
New users 18+ physically located in a state where Kalshi operates (*Political and election contracts are unavailable in NV & WA. Sports contracts are unavailable in NV, MI & WA.)
Last Verified
September 28, 2026
Kalshi U.S. Senate control prediction market pricing
Which party will win the US Senate?
Democrats: $0.62 per share
Republicans: $0.39 per share
Texas Senate winner:
James Talarico (D): $0.60 per share
Ken Paxton (R): $0.41 per share
Maine Senate winner:
Troy Jackson (D): $0.61 per share
Susan Collins (R): $0.40 per share
Michigan Senate winner:
Abdul El-Sayed (D): $0.72 per share
Mike Rogers (R): $0.29 per share
Iowa Senate winner:
Josh Turek (D): $0.42 per share
Ashley Hinson (R): $0.59 per share
Ohio Senate winner:
Sherrod Brown (D): $0.58 per share
Jon Husted (R): $0.43 per share
Kansas Senate winner:
Adam Hamilton (D): $0.30 per share
Roger Marshall (R): $0.71 per share
Alaska Senate winner:
(Alaska has three Republicans and one Democrat on the ballot and uses ranked-choice voting. Kalshi is offering pricing on which party wins the seat.)
It's a top priority for Kalshi to keep its users safe. Kalshi offers several risk management tools for traders that can be used at any time, including trading breaks, voluntary opt-out, and a personalized funding limit.
Prediction Markets are regulated by the Commodity Futures Trading Commission (CFTC) - an independent agency of the U.S. federal government.
Event contracts trading involves a risk of substantial loss and is not suitable for all investors. Participation in prediction markets is subject to applicable eligibility requirements. Participation may be restricted or prohibited in certain jurisdictions and participants are responsible for ensuring their participation complies with applicable laws and regulations in their jurisdiction. Prices subject to change. Content is promotional and not a recommendation to trade.
