Skip to main content
Cash
Portfolio
TrendingMidtermsElectionsPoliticsSportsCultureCryptoCommoditiesClimateEconomicsMentionsFinanceTech & Science
PredictLive121AccountSocial
MARKETSINVESTLIVE121
Product
Kalshi ProInvestMarketsIncentive programSmall business hedgingInstitutionsAPI & developers
Company
AboutKalshi ResearchBlogCareersPolicy CenterBrand Kit
Help
Help CenterFAQPrediction marketsFee 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 races

South Dakota Senate winner?

Resolves by winning party
Republican party
Yes

Republican party
Yes
Independent
No

Independent
No
Democratic party
No

Democratic party
No

People are also trading
Series Image
Alaska Senate winner?
Series Image
Alaska House winner?
Series Image
2028 Presidential Election winner? (Party)
Series Image
North Carolina State Senate winner?
Series Image
CA-23 House winner?
Series Image
LA-06 House winner?
Series Image
West Virginia presidential election winner?
Series Image
Alaska State House winner?
Series Image
NC-05 House winner?
Series Image
Alaska State Senate winner?
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.
Illustration of gavel
Determined
Outcome: Yes
Explore Elections
Beaudion
Nov 3
Rounds
$1,415,042 vol
Race Intel

South Dakota Senate Race 2026

ElectionNov 3, 2026General election
IncumbentMike Rounds (R)Running for re-election

South Dakota Senate Candidates and Fundraising

CandidatePollsRaisedSmall Donors
  • Mike RoundsR51.4%
    51.4%
    $3.2M
    1.2%
    $3.2M raised·1.2% small donors
  • Brian BengsI—
    —
    $782.1K
    61%
    $782.1K raised·61% small donors
Polling averages · Fundraising: FEC filings · Small-donor ≤ $200. This does not include third party expenditures.

Past South Dakota Election Results

Past presidential elections

2024R +29.2%2020R +26.2%

More South Dakota and 2026 Midterm Races

More South Dakota races

South Dakota Governor race: Rhoden vs. Ahlers

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. AbbottMichigan Senate race: El-Sayed vs. RogersAlaska Senate raceMississippi Senate race: Colom vs. Hyde-SmithFlorida Governor race: Donalds vs. JollyMaine Senate race: Jackson vs. CollinsSouth Carolina Senate race: Andrews vs. GrahamNebraska Senate race: Ricketts vs. BurbankIowa Senate race: Turek vs. Hinson

More races

Illinois Senate race: Stratton vs. TracyHawaii Governor race: Green vs. CorderyOregon Senate race: Merkley vs. SmithIdaho Governor race: Little vs. PickensWyoming Senate race: Hageman vs. ByrdDelaware Senate race: Coons vs. KatzArkansas Governor race: Sanders vs. LoveRhode Island Senate race: Reed vs. McKayWyoming Governor race: Barlow vs. CasnerOhio Senate race: Brown vs. Husted