The strong Democratic partisan lean of California's 4th congressional district, reinforced by the June 2026 top-two primary results, drives the current trader consensus. Incumbent Mike Thompson and challenger Eric Jones, both Democrats, advanced to the November general election after Thompson received 41% and Jones 22%, with the leading Republican trailing at roughly 21%. This matchup in a district with a Cook Partisan Voting Index rated solidly Democratic makes a Republican victory improbable absent major unforeseen developments. Traders price in the structural barrier created by the primary system and consistent voter registration advantages. Scenarios that could realistically shift odds remain limited to events such as a candidate withdrawal, significant health issue, or late scandal altering turnout dynamics before November.
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
4%
$13,671 Vol.
$13,671 Vol.
Nov 2, 2026
Democratic Party
$5,915 Vol.
96%
Republican Party
$7,756 Vol.
4%
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 strong Democratic partisan lean of California's 4th congressional district, reinforced by the June 2026 top-two primary results, drives the current trader consensus. Incumbent Mike Thompson and challenger Eric Jones, both Democrats, advanced to the November general election after Thompson received 41% and Jones 22%, with the leading Republican trailing at roughly 21%. This matchup in a district with a Cook Partisan Voting Index rated solidly Democratic makes a Republican victory improbable absent major unforeseen developments. Traders price in the structural barrier created by the primary system and consistent voter registration advantages. Scenarios that could realistically shift odds remain limited to events such as a candidate withdrawal, significant health issue, or late scandal altering turnout dynamics before November.
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 strong Democratic partisan lean of California's 4th congressional district, reinforced by the June 2026 top-two primary results, drives the current trader consensus. Incumbent Mike Thompson and challenger Eric Jones, both Democrats, advanced to the November general election after Thompson received 41% and Jones 22%, with the leading Republican trailing at roughly 21%. This matchup in a district with a Cook Partisan Voting Index rated solidly Democratic makes a Republican victory improbable absent major unforeseen developments. Traders price in the structural barrier created by the primary system and consistent voter registration advantages. Scenarios that could realistically shift odds remain limited to events such as a candidate withdrawal, significant health issue, or late scandal altering turnout dynamics before November.
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 strong Democratic partisan lean of California's 4th congressional district, reinforced by the June 2026 top-two primary results, drives the current trader consensus. Incumbent Mike Thompson and challenger Eric Jones, both Democrats, advanced to the November general election after Thompson received 41% and Jones 22%, with the leading Republican trailing at roughly 21%. This matchup in a district with a Cook Partisan Voting Index rated solidly Democratic makes a Republican victory improbable absent major unforeseen developments. Traders price in the structural barrier created by the primary system and consistent voter registration advantages. Scenarios that could realistically shift odds remain limited to events such as a candidate withdrawal, significant health issue, or late scandal altering turnout dynamics before November.
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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