Cash
Portfolio
TrendingMidtermsElectionsPoliticsSportsCultureCryptoCommoditiesClimateEconomicsMentionsFinanceTech & Science
PredictLive88AccountSocial
MARKETSPERPSLIVE88
Product
Kalshi ProPerpetual FuturesMarketsIncentive programInstitutionsAPI & 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. House

MO-03 House winner?

Resolves by winning party
100


Chance

Bob Onder
Republican party
96.3%

Bob Onder

Republican party
96.3%

Bethany Mann
Democratic party
3.7%

Bethany Mann

Democratic party
3.7%

People are also trading
Series Image
MO-05 House winner?
Series Image
Missouri's 3rd District margin of victory
Series Image
Missouri 03 House General Election: voter turnout
Series Image
MO-02 House winner?
Series Image
Missouri State Senate District 8 winner?
Series Image
Missouri State Senate District 30 winner?
Series Image
MO-04 House winner?
Series Image
MO-06 House winner?
Series Image
Will Missouri approve HB 1’s congressional map?
Series Image
Will Paul Wilson be retained on the Missouri Supreme Court?

More Missouri and 2026 Midterm Races

More Missouri races

MO-02 House raceMO-05 House race

Control of Congress

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

Top races

Texas Senate race: Talarico vs. PaxtonMaine Senate race: Jackson vs. CollinsMichigan Senate race: El-Sayed vs. RogersOhio Senate race: Brown vs. HustedIowa Senate race: Hinson vs. TurekTexas Governor race: Abbott vs. HinojosaSouth Carolina Senate race: Graham vs. AndrewsNew York Governor race: Hochul vs. BlakemanKansas Senate race: Marshall vs. HamiltonOhio Governor race: Acton vs. Ramaswamy

More races

West Virginia Senate race: Capito vs. AndersonDelaware Senate race: Coons vs. KatzWyoming Senate race: Hageman vs. ByrdArkansas Governor race: Sanders vs. LoveIllinois Senate race: Stratton vs. TracyHawaii Governor race: Green vs. CorderyOregon Senate race: Merkley vs. SmithAlabama Senate race: Moore vs. WessSouth Dakota Governor race: Rhoden vs. AhlersWyoming Governor race: Barlow vs. Casner
MO-03 House winner?

Bob Onder

Odds
98% chance
Max payout
Nov 3, 2027
$0
Mann
Nov 3 ·R +19.4margin forecast
Onder
$18,977 vol
Race Intel

MO-03 House Race 2026

ElectionNov 3, 2026General election
IncumbentRobert Onder (R)Running for re-election

MO-03 House Candidates and Fundraising

CandidateRaisedSmall Donors
  • Bethany MannD
    $43.3K
    58%
    $43.3K raised·58% small donors
  • Bob OnderR
    $656.8K
    8.9%
    $656.8K raised·8.9% small donors
Fundraising: FEC filings · Small-donor ≤ $200. This does not include third party expenditures.

Past MO-03 Election Results

Past presidential elections

2024R +20.0%2020R +18.4%