California's 4th congressional district features a top-two primary system that produced an all-Democratic November matchup after the June 2026 primary, with incumbent Mike Thompson and challenger Eric Jones advancing. The district's strong Democratic lean, reflected in its partisan voting index and consistent electoral history, has driven trader consensus toward the Democratic Party. Redistricting incorporated additional territory but preserved the overall partisan balance favoring Democrats. Thompson's long incumbency and established fundraising further reinforce the position. A Republican victory would require an unprecedented reversal of the primary outcome or district composition, neither of which appears plausible under current conditions.
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
$13,032 Vol.
$13,032 Vol.
Nov 3, 2026
Democratic Party
96%
Republican Party
1%
$13,032 Vol.
$13,032 Vol.
Nov 3, 2026
Democratic Party
$5,915 Vol.
96%
Republican Party
$7,117 Vol.
1%
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/).California's 4th congressional district features a top-two primary system that produced an all-Democratic November matchup after the June 2026 primary, with incumbent Mike Thompson and challenger Eric Jones advancing. The district's strong Democratic lean, reflected in its partisan voting index and consistent electoral history, has driven trader consensus toward the Democratic Party. Redistricting incorporated additional territory but preserved the overall partisan balance favoring Democrats. Thompson's long incumbency and established fundraising further reinforce the position. A Republican victory would require an unprecedented reversal of the primary outcome or district composition, neither of which appears plausible under current conditions.
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
$13,032End 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/).California's 4th congressional district features a top-two primary system that produced an all-Democratic November matchup after the June 2026 primary, with incumbent Mike Thompson and challenger Eric Jones advancing. The district's strong Democratic lean, reflected in its partisan voting index and consistent electoral history, has driven trader consensus toward the Democratic Party. Redistricting incorporated additional territory but preserved the overall partisan balance favoring Democrats. Thompson's long incumbency and established fundraising further reinforce the position. A Republican victory would require an unprecedented reversal of the primary outcome or district composition, neither of which appears plausible under current conditions.
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
$13,032End Date
Nov 3, 2026Market Opened
Jan 27, 2026, 11:54 PM ETResolver
0x2F5e3684c...California's 4th congressional district features a top-two primary system that produced an all-Democratic November matchup after the June 2026 primary, with incumbent Mike Thompson and challenger Eric Jones advancing. The district's strong Democratic lean, reflected in its partisan voting index and consistent electoral history, has driven trader consensus toward the Democratic Party. Redistricting incorporated additional territory but preserved the overall partisan balance favoring Democrats. Thompson's long incumbency and established fundraising further reinforce the position. A Republican victory would require an unprecedented reversal of the primary outcome or district composition, neither of which appears plausible under current conditions.
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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