The district's strong Democratic partisan lean, reflected in a Cook Political Report Partisan Voter Index of D+8 and consistent ratings of Solid or Safe Democratic by forecasters including Inside Elections, Decision Desk HQ, and Sabato's Crystal Ball, underpins trader consensus on a Democratic victory. Recent mid-decade redistricting through Proposition 50 preserved this advantage despite boundary adjustments, while the June 2026 top-two primary advanced two Democrats—longtime incumbent Mike Thompson and challenger Eric Jones—after Republican candidates split the vote. Thompson's established fundraising edge, institutional endorsements, and prior margins exceeding 60 percent further solidify the position ahead of the November general election. A Republican win would require an unprecedented national environment or late-cycle disruption capable of overcoming the district's structural baseline and top-two primary dynamics.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedCA-04 House Election Winner
CA-04 House Election Winner
$13,671 Vol.
$13,671 Vol.
Nov 2, 2026
Democratic Party
96%
Republican Party
3%
$13,671 Vol.
$13,671 Vol.
Nov 2, 2026
Democratic Party
$5,915 Vol.
96%
Republican Party
$7,756 Vol.
3%
This market will resolve according to the party of the candidate who wins the CA-04 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/).The district's strong Democratic partisan lean, reflected in a Cook Political Report Partisan Voter Index of D+8 and consistent ratings of Solid or Safe Democratic by forecasters including Inside Elections, Decision Desk HQ, and Sabato's Crystal Ball, underpins trader consensus on a Democratic victory. Recent mid-decade redistricting through Proposition 50 preserved this advantage despite boundary adjustments, while the June 2026 top-two primary advanced two Democrats—longtime incumbent Mike Thompson and challenger Eric Jones—after Republican candidates split the vote. Thompson's established fundraising edge, institutional endorsements, and prior margins exceeding 60 percent further solidify the position ahead of the November general election. A Republican win would require an unprecedented national environment or late-cycle disruption capable of overcoming the district's structural baseline and top-two primary dynamics.
This market will resolve according to the party of the candidate who wins the CA-04 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 27, 2026, 11:54 PM ET
Volume
$13,671End Date
Nov 3, 2026Market Opened
Jan 27, 2026, 11:54 PM ETResolver
0x2F5e3684c...This market will resolve according to the party of the candidate who wins the CA-04 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/).The district's strong Democratic partisan lean, reflected in a Cook Political Report Partisan Voter Index of D+8 and consistent ratings of Solid or Safe Democratic by forecasters including Inside Elections, Decision Desk HQ, and Sabato's Crystal Ball, underpins trader consensus on a Democratic victory. Recent mid-decade redistricting through Proposition 50 preserved this advantage despite boundary adjustments, while the June 2026 top-two primary advanced two Democrats—longtime incumbent Mike Thompson and challenger Eric Jones—after Republican candidates split the vote. Thompson's established fundraising edge, institutional endorsements, and prior margins exceeding 60 percent further solidify the position ahead of the November general election. A Republican win would require an unprecedented national environment or late-cycle disruption capable of overcoming the district's structural baseline and top-two primary dynamics.
This market will resolve according to the party of the candidate who wins the CA-04 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
$13,671End Date
Nov 3, 2026Market Opened
Jan 27, 2026, 11:54 PM ETResolver
0x2F5e3684c...The district's strong Democratic partisan lean, reflected in a Cook Political Report Partisan Voter Index of D+8 and consistent ratings of Solid or Safe Democratic by forecasters including Inside Elections, Decision Desk HQ, and Sabato's Crystal Ball, underpins trader consensus on a Democratic victory. Recent mid-decade redistricting through Proposition 50 preserved this advantage despite boundary adjustments, while the June 2026 top-two primary advanced two Democrats—longtime incumbent Mike Thompson and challenger Eric Jones—after Republican candidates split the vote. Thompson's established fundraising edge, institutional endorsements, and prior margins exceeding 60 percent further solidify the position ahead of the November general election. A Republican win would require an unprecedented national environment or late-cycle disruption capable of overcoming the district's structural baseline and top-two primary dynamics.
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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