Cash
Portfolio
TrendingMidtermsElectionsPoliticsSportsCultureCryptoCommoditiesClimateEconomicsMentionsFinanceTech & Science
PredictLive101AccountSocial
MARKETSPERPSLIVE101
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

IL-12 House winner?

Resolves by winning party
100
Chance
Mike Bost
Republican party
97.2%

Mike Bost

Republican party
97.2%
Julie Fortier
Democratic party
2.8%

Julie Fortier

Democratic party
2.8%
People are also trading
Series Image
Illinois's 12th District margin of victory
Series Image
Illinois 12 House General Election: voter turnout
Series Image
IL-12 House election: Julie Fortier vote percent
Series Image
IL-12 House election: Mike Bost vote percent
Series Image
Which party will win the U.S. House?
Series Image
Texas Senate winner?
Series Image
California Governor winner? (Person)
Series Image
Ohio Governor winner?
Series Image
Ohio Senate winner?
Series Image
Which party will win the U.S. Senate?

More Illinois and 2026 Midterm Races

More Illinois races

Illinois Governor race: Pritzker vs. BaileyIllinois Senate race: Stratton vs. Tracy

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. TurekNew York Governor race: Hochul vs. BlakemanKansas Senate race: Marshall vs. HamiltonSouth Carolina Senate race: Graham vs. AndrewsFlorida Governor race: Donalds vs. JollyNorth Carolina Senate race: Cooper vs. Whatley

More races

New Jersey Senate race: Booker vs. MurphyColorado Governor race: Weiser vs. MarxAlaska Governor raceKansas Governor race: Masterson vs. HolscherNew Mexico Governor race: Haaland vs. HullAlabama Governor race: Tuberville vs. JonesNew Mexico Senate race: Luján vs. MarkerLouisiana Senate race: Letlow vs. DavisMaine Governor race: Pingree vs. CharlesRhode Island Governor race: Foulkes vs. Block
IL-12 House winner?

Mike Bost

Odds
98% chance
Max payout
Nov 3, 2027
$0
Fortier
Nov 3 ·R +36.9margin forecast
Bost
$12,038 vol
Race Intel

IL-12 House Race 2026

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

IL-12 House Candidates and Fundraising

CandidateRaisedSmall Donors
  • Julie FortierD
    $145.6K
    47%
    $145.6K raised·47% small donors
  • Mike BostR
    $1.6M
    2.9%
    $1.6M raised·2.9% small donors
Fundraising: FEC filings · Small-donor ≤ $200. This does not include third party expenditures.

Past IL-12 Election Results

Past presidential elections

2024R +43.5%2020R +42.8%