Incumbent Rep. Lauren Underwood (D) dominates trader consensus at 91.5% implied probability to win the IL-14 House seat, driven by her unopposed March 17 primary victory and history of holding the district despite its R+3 presidential lean—flipping it in 2018 and defeating GOP challenger James Marter by 10 points in 2022. Marter, who secured the Republican nomination with 75% over Gary Vician, faces long odds as a repeat underperformer amid Underwood's fundraising edge and appeal to suburban voters in this southwest Chicago exurban battleground. With the November 3 general election six months away, shifts could arise from a national GOP midterm wave, Underwood scandal, legal challenges, or health issues, though structural incumbency advantages persist.
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
IL-14 House Election Winner
Democratic Party
92%
Republican Party
6%
Democratic Party
92%
Republican Party
6%
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 Rep. Lauren Underwood (D) dominates trader consensus at 91.5% implied probability to win the IL-14 House seat, driven by her unopposed March 17 primary victory and history of holding the district despite its R+3 presidential lean—flipping it in 2018 and defeating GOP challenger James Marter by 10 points in 2022. Marter, who secured the Republican nomination with 75% over Gary Vician, faces long odds as a repeat underperformer amid Underwood's fundraising edge and appeal to suburban voters in this southwest Chicago exurban battleground. With the November 3 general election six months away, shifts could arise from a national GOP midterm wave, Underwood scandal, legal challenges, or health issues, though structural incumbency advantages persist.
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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