Incumbent Democrat Bill Foster holds a commanding lead in trader consensus at 91.5% for the IL-11 House general election on November 3, 2026, anchored by the district's Solid Democratic rating from Cook Political Report and D+6 partisan voter index. Foster cruised unopposed in the March 17 Democratic primary and won the 2024 general with 55.6%, bolstered by a massive fundraising edge—$2.3 million cash on hand versus Republican nominee Jeff Walter's $9,000 as of late March. The fragmented GOP primary, where Elburn Village President Walter narrowly prevailed at 42.6%, left the challenger under-resourced in this suburban Chicago district favoring college-educated voters. Odds could shift with a strong Republican midterm wave, Foster scandal or retirement, or unexpected Walter fundraising surge, though structural barriers remain high.
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
IL-11 House Election Winner
$10,099 Vol.
$10,099 Vol.
Democratic Party
92%
Republican Party
8%
$10,099 Vol.
$10,099 Vol.
Democratic Party
92%
Republican Party
8%
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 trader consensus at 91.5% for the IL-11 House general election on November 3, 2026, anchored by the district's Solid Democratic rating from Cook Political Report and D+6 partisan voter index. Foster cruised unopposed in the March 17 Democratic primary and won the 2024 general with 55.6%, bolstered by a massive fundraising edge—$2.3 million cash on hand versus Republican nominee Jeff Walter's $9,000 as of late March. The fragmented GOP primary, where Elburn Village President Walter narrowly prevailed at 42.6%, left the challenger under-resourced in this suburban Chicago district favoring college-educated voters. Odds could shift with a strong Republican midterm wave, Foster scandal or retirement, or unexpected Walter fundraising surge, though structural barriers remain high.
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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