Cash
Portfolio
TrendingMidtermsElectionsPoliticsSportsCultureCryptoCommoditiesClimateEconomicsMentionsFinanceTech & Science
PredictLive150AccountSocial
MARKETSINVESTLIVE150
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
  1. US Elections

South Dakota Senate margin of victory

517
Chance
Rounds, 19+ pts
99.6%
▲ 0.6

Rounds, 19+ pts

99.6%
▲ 0.6
Rounds, 21+ pts
80%
▲ 1

Rounds, 21+ pts

80%
▲ 1
Rounds, 23+ pts
<1%

Rounds, 23+ pts

<1%
More markets

People are also trading
Series Image
South Dakota Senate General Election: voter turnout
Series Image
South Dakota Senate election: Brian Bengs vote percent
Series Image
South Dakota Senate election: Mike Rounds vote percent
Series Image
Alaska Senate winner?
Series Image
Mississippi Senate winner?
Series Image
NC-03 House winner?
Series Image
Alaska House winner?
Series Image
CO-04 House winner?
Series Image
Kansas Governor winner?
Series Image
ME-02 House winner?
South Dakota Senate margin of victory
Rounds, 3+ pts

Rounds, 3+ pts

Odds
0% chance
Max payout
Nov 3, 2027
$0
Race Intel
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 presidential elections
2024R +29.2%2020R +26.2%
More Elections Markets

More Midterm margin of victory markets

Alaska Governor margin of victoryAlaska Governor margin of victoryAlaska Senate margin of victoryAlaska Senate margin of victoryCalifornia's 4th District margin of victoryCalifornia's 4th District margin of victoryCalifornia's 7th District margin of victoryCalifornia's 7th District margin of victory

Trending Elections markets

2028 Democratic presidential nominee2028 U.S. Presidential Election winner?2028 Republican presidential nomineeNext Senate Democratic Leader?Next French presidential election winner?NC-03 House winner?120th Congress: Who will be Senate Majority Leader?New Zealand general election winner?

Elections hub

All Elections markets