The district's entrenched Democratic tilt, reflected in its suburban Chicago voter base and historical results, anchors trader consensus behind incumbent Bill Foster at 94.5%. Foster secured the Democratic nomination without opposition in the March 2026 primary and maintains an established reelection record in a seat consistently rated Solid Democratic by forecasters. Republican nominee Jeffrey Walter advanced from a competitive primary but faces structural barriers in a low-competitiveness general election environment. Late-breaking developments such as candidate health events, major scandals, or an exceptional national Republican wave could narrow the gap, though none have materialized to date.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedIL-11 House Election Winner
$33,238 Vol.
$33,238 Vol.
Democratic Party
95%
Republican Party
6%
$33,238 Vol.
$33,238 Vol.
Democratic Party
95%
Republican Party
6%
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 district's entrenched Democratic tilt, reflected in its suburban Chicago voter base and historical results, anchors trader consensus behind incumbent Bill Foster at 94.5%. Foster secured the Democratic nomination without opposition in the March 2026 primary and maintains an established reelection record in a seat consistently rated Solid Democratic by forecasters. Republican nominee Jeffrey Walter advanced from a competitive primary but faces structural barriers in a low-competitiveness general election environment. Late-breaking developments such as candidate health events, major scandals, or an exceptional national Republican wave could narrow the gap, though none have materialized to date.
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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