Wisconsin’s 4th congressional district, anchored in Milwaukee County, carries a strong Democratic tilt reflected in a Cook Partisan Voter Index near D+26 and consistent double-digit margins for Democratic candidates in recent cycles. Long-serving incumbent Gwen Moore faces only a modest primary challenge from Amy Donahue ahead of the August 11 contest, while Republican contenders such as Tim Rogers remain low-visibility with limited fundraising. These structural factors underpin trader consensus pricing Democratic victory near 98 percent for the November 2026 general election. A credible challenge would require either an unforeseen Democratic scandal, Moore’s withdrawal due to health or other personal circumstances, or an exceptional Republican turnout surge in a district where historical patterns strongly favor the majority party.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedWI-04 House Election Winner
$33,516 Vol.
$33,516 Vol.
Democratic Party
98%
Republican Party
2%
$33,516 Vol.
$33,516 Vol.
Democratic Party
98%
Republican Party
2%
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, 11:24 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...Wisconsin’s 4th congressional district, anchored in Milwaukee County, carries a strong Democratic tilt reflected in a Cook Partisan Voter Index near D+26 and consistent double-digit margins for Democratic candidates in recent cycles. Long-serving incumbent Gwen Moore faces only a modest primary challenge from Amy Donahue ahead of the August 11 contest, while Republican contenders such as Tim Rogers remain low-visibility with limited fundraising. These structural factors underpin trader consensus pricing Democratic victory near 98 percent for the November 2026 general election. A credible challenge would require either an unforeseen Democratic scandal, Moore’s withdrawal due to health or other personal circumstances, or an exceptional Republican turnout surge in a district where historical patterns strongly favor the majority party.
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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