Incumbent Democrat Lauren Underwood faces Republican James Marter in the November 3, 2026, general election for Illinois’s 14th congressional district, a suburban and exurban Chicago-area seat with a D+3 partisan voting index. Underwood secured the Democratic nomination unopposed after her 2024 victory with 55 percent of the vote, while Marter prevailed in the March 17 Republican primary. The district’s consistent Democratic lean, combined with Underwood’s established incumbency, fundraising edge, and name recognition in a region trending blue in recent cycles, underpins the strong trader consensus favoring the Democratic nominee. Scenarios that could narrow the gap include a pronounced national Republican surge in the midterms, unexpected personal or campaign developments affecting Underwood, or unusually strong grassroots and financial performance by Marter in the final stretch.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedIL-14 House Election Winner
$14,034 Vol.
$14,034 Vol.
Democratic Party
95%
Republican Party
5%
$14,034 Vol.
$14,034 Vol.
Democratic Party
95%
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 Lauren Underwood faces Republican James Marter in the November 3, 2026, general election for Illinois’s 14th congressional district, a suburban and exurban Chicago-area seat with a D+3 partisan voting index. Underwood secured the Democratic nomination unopposed after her 2024 victory with 55 percent of the vote, while Marter prevailed in the March 17 Republican primary. The district’s consistent Democratic lean, combined with Underwood’s established incumbency, fundraising edge, and name recognition in a region trending blue in recent cycles, underpins the strong trader consensus favoring the Democratic nominee. Scenarios that could narrow the gap include a pronounced national Republican surge in the midterms, unexpected personal or campaign developments affecting Underwood, or unusually strong grassroots and financial performance by Marter in the final stretch.
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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