Melissa Bean secured the Democratic nomination for Illinois’ 8th congressional district in the March 2026 primary after incumbent Raja Krishnamoorthi vacated the seat to run for U.S. Senate. The district carries a D+5 partisan voting index and has not elected a Republican since 2010, producing consistent Democratic margins in recent cycles. Forecasters rate the race Solid D or Safe D, reflecting the underlying voter composition in suburban Chicago counties. Republican nominee Jennifer Davis advanced from her primary but faces structural disadvantages in fundraising and name recognition. The 93.5% Democratic implied probability aligns with these fundamentals. Late developments that could narrow the gap include a significant Bean-related scandal, an unusually strong national Republican environment, or unusually low Democratic turnout in November 2026, though none have materialized in the five months since the primaries.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedIL-08 House Election Winner
$20,725 Vol.
$20,725 Vol.
Democratic Party
94%
Republican Party
7%
$20,725 Vol.
$20,725 Vol.
Democratic Party
94%
Republican 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...Melissa Bean secured the Democratic nomination for Illinois’ 8th congressional district in the March 2026 primary after incumbent Raja Krishnamoorthi vacated the seat to run for U.S. Senate. The district carries a D+5 partisan voting index and has not elected a Republican since 2010, producing consistent Democratic margins in recent cycles. Forecasters rate the race Solid D or Safe D, reflecting the underlying voter composition in suburban Chicago counties. Republican nominee Jennifer Davis advanced from her primary but faces structural disadvantages in fundraising and name recognition. The 93.5% Democratic implied probability aligns with these fundamentals. Late developments that could narrow the gap include a significant Bean-related scandal, an unusually strong national Republican environment, or unusually low Democratic turnout in November 2026, though none have materialized in the five months since the primaries.
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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