Incumbent Democrat John Garamendi's bid for re-election in California's safely Democratic 8th Congressional District anchors trader consensus at 92.5% for a Democratic winner, reflecting the district's D+24 Cook Partisan Voting Index and Garamendi's dominant past performances, including a 74%-26% general election victory over Republican Rudy Recile in 2024. Recent candidate filings by March 6 confirmed a top-two primary field on June 2 featuring Garamendi alongside Democratic challengers Nicolas Carjuzaa and Aaron Rowden, plus Recile, underscoring minimal Republican threat in this northern Bay Area seat spanning Solano and Contra Costa counties. While probabilities exceed 90%, a Garamendi primary upset by a weaker Democrat, personal health issues, scandal, or national Republican midterm wave could narrow the gap.
Experimental AI-generated summary referencing Polymarket data · UpdatedCA-08 House Election Winner
CA-08 House Election Winner
Democratic Party
93%
Republican Party
6%
Democratic Party
93%
Republican Party
6%
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, 11:56 PM 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...Incumbent Democrat John Garamendi's bid for re-election in California's safely Democratic 8th Congressional District anchors trader consensus at 92.5% for a Democratic winner, reflecting the district's D+24 Cook Partisan Voting Index and Garamendi's dominant past performances, including a 74%-26% general election victory over Republican Rudy Recile in 2024. Recent candidate filings by March 6 confirmed a top-two primary field on June 2 featuring Garamendi alongside Democratic challengers Nicolas Carjuzaa and Aaron Rowden, plus Recile, underscoring minimal Republican threat in this northern Bay Area seat spanning Solano and Contra Costa counties. While probabilities exceed 90%, a Garamendi primary upset by a weaker Democrat, personal health issues, scandal, or national Republican midterm wave could narrow the gap.
Experimental AI-generated summary referencing Polymarket data · Updated
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