Incumbent Republican Mary Miller secured her party's nomination in the March 2026 primary for Illinois's 15th congressional district, facing Democrat Jennifer Todd in November. The district's rural, conservative voter base and consistent Republican performance in recent cycles underpin traders' assessment of a strong Republican advantage. Limited general election polling and fundraising data reinforce this positioning, with no major recent developments or national shifts altering the outlook. A significant Democratic wave, unusually high turnout in key counties, or unforeseen candidate-specific developments could narrow the margin, though historical patterns suggest such scenarios remain low-probability events 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-15 House Election Winner
$34,293 Vol.
$34,293 Vol.
Republican Party
94%
Democratic Party
7%
$34,293 Vol.
$34,293 Vol.
Republican Party
94%
Democratic Party
7%
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 Republican Mary Miller secured her party's nomination in the March 2026 primary for Illinois's 15th congressional district, facing Democrat Jennifer Todd in November. The district's rural, conservative voter base and consistent Republican performance in recent cycles underpin traders' assessment of a strong Republican advantage. Limited general election polling and fundraising data reinforce this positioning, with no major recent developments or national shifts altering the outlook. A significant Democratic wave, unusually high turnout in key counties, or unforeseen candidate-specific developments could narrow the margin, though historical patterns suggest such scenarios remain low-probability events 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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