The Republican Party's commanding 97% trader consensus in the IL-12 House race stems from the district's R+22 Cook Partisan Voting Index, the strongest Republican lean in Illinois, combined with incumbent Mike Bost's established record of large margins, including 74% in 2024. All major forecasters rate the seat Solid or Safe Republican ahead of the November 3 general election. Bost ran unopposed in the March primary, while Democratic nominee Julie Fortier, a research microbiologist and veteran, trails significantly in fundraising. A Democratic victory would require an unprecedented national wave, major scandal, or sharp shift in rural southern Illinois turnout patterns before Election Day.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedIL-12 House Election Winner
$25,106 Vol.
$25,106 Vol.
Republican Party
97%
Democratic Party
3%
$25,106 Vol.
$25,106 Vol.
Republican Party
97%
Democratic Party
3%
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/).
Market Opened: Jan 28, 2026, 11:09 AM ET
Resolver
0x2F5e3684c...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/).
Resolver
0x2F5e3684c...The Republican Party's commanding 97% trader consensus in the IL-12 House race stems from the district's R+22 Cook Partisan Voting Index, the strongest Republican lean in Illinois, combined with incumbent Mike Bost's established record of large margins, including 74% in 2024. All major forecasters rate the seat Solid or Safe Republican ahead of the November 3 general election. Bost ran unopposed in the March primary, while Democratic nominee Julie Fortier, a research microbiologist and veteran, trails significantly in fundraising. A Democratic victory would require an unprecedented national wave, major scandal, or sharp shift in rural southern Illinois turnout patterns before Election Day.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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