Incumbent Democrat Jim Costa's strong reelection campaign in California's 21st Congressional District, rated Likely Democratic by Cook Political Report, Inside Elections, and Sabato's Crystal Ball, underpins trader consensus pricing Democrats at overwhelming odds ahead of the June 2 top-two primary. The Central Valley seat leans D+6 based on 2024 presidential results, bolstered by mid-decade redistricting that shifted it leftward, while Costa holds a commanding fundraising edge with over $850,000 cash on hand versus Republicans Kyle Kirkland and Lorenzo Rios. No recent polls show challengers closing the gap, though a top-two primary upset or high GOP turnout could narrow general election prospects on November 3.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jourVainqueur de l'élection à la Chambre CA-21
Vainqueur de l'élection à la Chambre CA-21
Parti démocrate
88%
Parti républicain
12%
Parti démocrate
88%
Parti républicain
12%
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/).
Marché ouvert : Jan 28, 2026, 12:08 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...Incumbent Democrat Jim Costa's strong reelection campaign in California's 21st Congressional District, rated Likely Democratic by Cook Political Report, Inside Elections, and Sabato's Crystal Ball, underpins trader consensus pricing Democrats at overwhelming odds ahead of the June 2 top-two primary. The Central Valley seat leans D+6 based on 2024 presidential results, bolstered by mid-decade redistricting that shifted it leftward, while Costa holds a commanding fundraising edge with over $850,000 cash on hand versus Republicans Kyle Kirkland and Lorenzo Rios. No recent polls show challengers closing the gap, though a top-two primary upset or high GOP turnout could narrow general election prospects on November 3.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jour
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