Republican incumbent Mary Miller secured her party's nomination with over 73% in the March 2026 primary and holds a commanding position in Illinois' 15th congressional district, a rural central Illinois seat with a strong Republican lean reflected in its R+20 partisan voting index and prior presidential results. Forecasters rate the race Solid or Safe Republican due to the district's consistent conservative voting patterns, Miller's established incumbency advantage, and the Democratic nominee Jennifer Todd's limited name recognition after winning a low-turnout primary. Trader consensus on these structural factors supports the wide Republican probability margin, though late national shifts in the midterm environment or unforeseen candidate developments could narrow the gap before the November 3 general election.
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
IL-15 House Election Winner
$37,426 Vol.
$37,426 Vol.
Nov 2, 2026
Republican Party
95%
Democratic Party
6%
$37,426 Vol.
$37,426 Vol.
Nov 2, 2026
Republican Party
$19,352 Vol.
95%
Democratic Party
$18,074 Vol.
6%
This market will resolve according to the party of the candidate who wins the IL-15 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).Republican incumbent Mary Miller secured her party's nomination with over 73% in the March 2026 primary and holds a commanding position in Illinois' 15th congressional district, a rural central Illinois seat with a strong Republican lean reflected in its R+20 partisan voting index and prior presidential results. Forecasters rate the race Solid or Safe Republican due to the district's consistent conservative voting patterns, Miller's established incumbency advantage, and the Democratic nominee Jennifer Todd's limited name recognition after winning a low-turnout primary. Trader consensus on these structural factors supports the wide Republican probability margin, though late national shifts in the midterm environment or unforeseen candidate developments could narrow the gap before the November 3 general election.
This market will resolve according to the party of the candidate who wins the IL-15 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).
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
Volume
$37,426End Date
Nov 3, 2026Market Opened
Jan 28, 2026, 11:09 AM ETResolver
0x2F5e3684c...This market will resolve according to the party of the candidate who wins the IL-15 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).Republican incumbent Mary Miller secured her party's nomination with over 73% in the March 2026 primary and holds a commanding position in Illinois' 15th congressional district, a rural central Illinois seat with a strong Republican lean reflected in its R+20 partisan voting index and prior presidential results. Forecasters rate the race Solid or Safe Republican due to the district's consistent conservative voting patterns, Miller's established incumbency advantage, and the Democratic nominee Jennifer Todd's limited name recognition after winning a low-turnout primary. Trader consensus on these structural factors supports the wide Republican probability margin, though late national shifts in the midterm environment or unforeseen candidate developments could narrow the gap before the November 3 general election.
This market will resolve according to the party of the candidate who wins the IL-15 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).
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/).
Volume
$37,426End Date
Nov 3, 2026Market Opened
Jan 28, 2026, 11:09 AM ETResolver
0x2F5e3684c...Republican incumbent Mary Miller secured her party's nomination with over 73% in the March 2026 primary and holds a commanding position in Illinois' 15th congressional district, a rural central Illinois seat with a strong Republican lean reflected in its R+20 partisan voting index and prior presidential results. Forecasters rate the race Solid or Safe Republican due to the district's consistent conservative voting patterns, Miller's established incumbency advantage, and the Democratic nominee Jennifer Todd's limited name recognition after winning a low-turnout primary. Trader consensus on these structural factors supports the wide Republican probability margin, though late national shifts in the midterm environment or unforeseen candidate developments could narrow the gap before the November 3 general election.
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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