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2026 U.S. Senate control odds: Kalshi prediction markets show 62% probability for one party to win elections
Prediction markets like Kalshi allow you to trade on the outcome of the United States Midterms 2026
Control of the United States Senate will be on the line on Tuesday, November 3, when the 2026 United States Midterms will take place. In total, 35 seats are up for grabs in the midterms. Republicans currently control the Senate with 53 seats, while Democrats occupy 47. Democrats need 51 seats to take the majority, with Republican Vice President J.D. Vance breaking deadlocks in the Senate. 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. 29. This means there is a 62% implied probability in the latest U.S. Senate control odds.
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.
Claim the Kalshi promo code SPORTSLINE55 for a $55 bonus here:
Kalshi promo code SPORTSLINE55 details
Promo Code | |
Welcome Offer | |
Promo Eligibility | 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 29, 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.)
Democratic party: $0.71 per share
Republican party: $0.31 per share
Nebraska Senate winner:
Dan Osborn (I): $0.30 per share
Pete Ricketts (R): $0.71 per share
Cindy Burbank (D): $0.04 per share
New Hampshire Senate winner:
Chris Pappas (D): $0.86 per share
John E Sununu (R): $0.15 per share
North Carolina Senate winner:
Roy Cooper (D): $0.95 per share
Michael Whatley (R): $0.06 per share
South Carolina Senate winner:
Annie Andrews (D): $0.13 per share
Darline Graham (R): $0.88 per share
Florida Senate winner:
Angie Nixon (D): $0.10 per share
Ashley Moody (R): $0.91 per share
Minnesota Senate winner:
Peggy Flanagan (D): $0.90 per share
Michele Tafoya (R): $0.12 per share
Idaho Senate winner:
Todd Achilles (I): $0.08 per share
Jim Risch (R): $0.93 per share
David Roth (D) $0.004 per share
Claim the Kalshi promo code SPORTSLINE55 for a $55 bonus here:
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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.