Incumbent Democrat Bill Foster holds a commanding lead in the IL-11 House race due to the district's Democratic lean, reflected in its D+6 partisan voting index and consistent results in recent cycles. Foster, first elected in 2013 and re-elected with 55.6% in 2024, faces Republican nominee Jeffrey Walter following March 2026 primaries. The western Chicago suburbs and exurbs, including areas like Aurora and Naperville, have favored Democrats structurally after post-2020 redistricting. With the November 3 general election approaching, trader consensus at 95.5% for Democrats aligns with the seat's Solid D rating and limited competitiveness. Late developments such as a major scandal, health event for the incumbent, or sharp national Republican surge could still alter the outcome in the final weeks.
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
$40,028 Vol.
$40,028 Vol.
Democratic Party
96%
Republican Party
5%
$40,028 Vol.
$40,028 Vol.
Democratic Party
96%
Republican Party
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/).
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 Bill Foster holds a commanding lead in the IL-11 House race due to the district's Democratic lean, reflected in its D+6 partisan voting index and consistent results in recent cycles. Foster, first elected in 2013 and re-elected with 55.6% in 2024, faces Republican nominee Jeffrey Walter following March 2026 primaries. The western Chicago suburbs and exurbs, including areas like Aurora and Naperville, have favored Democrats structurally after post-2020 redistricting. With the November 3 general election approaching, trader consensus at 95.5% for Democrats aligns with the seat's Solid D rating and limited competitiveness. Late developments such as a major scandal, health event for the incumbent, or sharp national Republican surge could still alter the outcome in the final weeks.
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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