Incumbent Democrat Sean Casten secured his party's nomination in the March 2026 primary and faces Republican nominee Niki Conforti in the November general election for Illinois's 6th congressional district. The seat carries a D+3 Partisan Voter Index based on recent presidential results, leading forecasters including the Cook Political Report and Sabato's Crystal Ball to rate it Solid or Safe Democratic. Casten's substantial fundraising edge and established record as the sitting representative since 2019 reinforce trader expectations of continued Democratic control. The Republican nominee would need a pronounced national shift or unforeseen local developments to overcome the district's structural lean and the incumbent's organizational advantages.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedIL-06 House Election Winner
$32,960 Vol.
$32,960 Vol.
Democratic Party
94%
Republican Party
4%
$32,960 Vol.
$32,960 Vol.
Democratic Party
94%
Republican Party
4%
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...Incumbent Democrat Sean Casten secured his party's nomination in the March 2026 primary and faces Republican nominee Niki Conforti in the November general election for Illinois's 6th congressional district. The seat carries a D+3 Partisan Voter Index based on recent presidential results, leading forecasters including the Cook Political Report and Sabato's Crystal Ball to rate it Solid or Safe Democratic. Casten's substantial fundraising edge and established record as the sitting representative since 2019 reinforce trader expectations of continued Democratic control. The Republican nominee would need a pronounced national shift or unforeseen local developments to overcome the district's structural lean and the incumbent's organizational advantages.
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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