Cash
Portfolio
TrendingMidtermsElectionsPoliticsSportsCultureCryptoCommoditiesClimateEconomicsMentionsFinanceTech & Science
PredictLive650AccountSocial
MARKETSINVESTLIVE650
Product
Kalshi ProInvestMarketsIncentive programSmall business hedgingInstitutionsAPI & developers
Company
AboutKalshi ResearchBlogCareersPolicy CenterBrand Kit
Help
Help CenterFAQFee scheduleTrading hoursRegulatoryTrust Center
© 2026 Kalshi Inc. · All rights reserved
PrivacyData Terms of ServiceTrading ProhibitionsFAQ for Finance Professionals
Trading on Kalshi involves risk and may not be appropriate for all. Members risk losing their cost to enter any transaction, including fees. You should carefully consider whether trading on Kalshi is appropriate for you in light of your investment experience and financial resources. Any trading decisions you make are solely your responsibility and at your own risk. Information is provided for convenience only on an "AS IS" basis. Past performance is not necessarily indicative of future results. Kalshi is subject to U.S. regulatory oversight by the CFTC.
Series Image
Series Image
  1. Senate

Kansas Senate winner?

Live
Resolves by winning party
2
Combo
Chance
Adam Hamilton
Democratic party
93.9%
▲ 30.9

Adam Hamilton

Democratic party
93.9%
▲ 30.9
Roger Marshall
Republican party
6.1%
▼ 30.9

Roger Marshall

Republican party
6.1%
▼ 30.9

People are also trading
Series Image
Kansas Governor-Senate combo
Series Image
Kansas Senate margin of victory
Series Image
Kansas Senate: margin of victory
Series Image
Kansas Senate General Election: voter turnout
Series Image
Kansas Senate margin of victory
Series Image
Kansas Senate: which counties will Adam Hamilton win?
Series Image
Will Adam Hamilton outperform the polls?
Series Image
Larger Senate margin: Hinson or Marshall?
Series Image
Kansas Senate election: Adam Hamilton vote percent
Series Image
Kansas Senate election: Roger Marshall vote percent
General election · Nov 3, 2026What’s on your ballot?
Enter your address to see every contest and ballot question, with live odds on the ones Kalshi prices.
See your ballotCandidate and measure details from Ballotpedia.
Combo
Kansas Senate winner?

Adam Hamilton

Odds
94% chance
Max payout
Nov 3, 2027
$0
Hamilton
D +6.8margin forecast
Marshall
$13,671,848 vol
Race Intel

Kansas Senate Race 2026

ElectionNov 3, 2026General election
IncumbentRoger Marshall (R)Running for re-election

Kansas Senate Candidates and Fundraising

CandidatePollsRaisedSmall Donors
  • Adam HamiltonD48.6%
    48.6%
    $4.2M
    18%
    $4.2M raised·18% small donors
  • Roger MarshallR45.2%
    45.2%
    $4.8M
    4.0%
    $4.8M raised·4.0% small donors
Polling averages · Fundraising: FEC filings · Small-donor ≤ $200. This does not include third party expenditures.

Past Kansas Election Results

Past presidential elections

2024R +16.1%2020R +14.6%

More Kansas and 2026 Midterm Races

More Kansas races

Kansas Governor race: Holscher vs. Masterson

Control of Congress

Which party will win the Senate?Which party will win the House?Congress balance of power

Midterms forecast

2026 midterm predictions2026 Senate forecast

Top races

Texas Senate race: Talarico vs. PaxtonTexas Governor race: Hinojosa vs. AbbottFlorida Governor race: Donalds vs. JollyMichigan Senate race: El-Sayed vs. RogersMaine Senate race: Jackson vs. CollinsSouth Carolina Senate race: Andrews vs. GrahamIowa Senate race: Turek vs. HinsonOhio Senate race: Brown vs. HustedOhio Governor race: Acton vs. RamaswamyNew York Governor race: Hochul vs. Blakeman

More races

Massachusetts Senate race: Markey vs. DeatonMichigan Governor race: Benson vs. JamesKentucky Senate race: Barr vs. BookerOregon Governor race: Kotek vs. DrazanTennessee Governor race: Blackburn vs. GreenAlabama Governor race: Tuberville vs. JonesMinnesota Governor race: Klobuchar vs. DemuthIllinois Governor race: Pritzker vs. BaileySouth Dakota Senate race: Rounds vs. BengsOklahoma Governor race: Mazzei vs. Munson