The IL-15 congressional district's strong Republican lean (Cook PVI R+16) and incumbent Rep. Mike Bost's entrenched position anchor trader consensus at 94.5% for a GOP victory. Bost, chairman of the House Veterans' Affairs Committee, faces Democrat Beth Lear in this rural southern Illinois seat that Trump won by over 30 points in 2020. Recent FEC filings show Bost's fundraising dominance ($1.2M cash-on-hand vs. Lear's $150K), with no public polls indicating a contest. District history of double-digit Republican margins reinforces stability. Realistic challenges include a Bost scandal, unexpected Democratic turnout surge, or broader national midterm dynamics, though base rates for R+16 seats favor continuity ahead of November balloting.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jourVainqueur de l'élection à la maison IL-15
Vainqueur de l'élection à la maison IL-15
Parti républicain
95%
Parti démocrate
5%
Parti républicain
95%
Parti démocrate
5%
A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.
This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).
Marché ouvert : Jan 28, 2026, 11:09 AM ET
Resolver
0x2F5e3684c...Resolver
0x2F5e3684c...The IL-15 congressional district's strong Republican lean (Cook PVI R+16) and incumbent Rep. Mike Bost's entrenched position anchor trader consensus at 94.5% for a GOP victory. Bost, chairman of the House Veterans' Affairs Committee, faces Democrat Beth Lear in this rural southern Illinois seat that Trump won by over 30 points in 2020. Recent FEC filings show Bost's fundraising dominance ($1.2M cash-on-hand vs. Lear's $150K), with no public polls indicating a contest. District history of double-digit Republican margins reinforces stability. Realistic challenges include a Bost scandal, unexpected Democratic turnout surge, or broader national midterm dynamics, though base rates for R+16 seats favor continuity ahead of November balloting.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour
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