Incumbent Democrat Jim Costa advanced from the June 2, 2026, top-two primary in California's 21st congressional district with a clear plurality, setting up a November general election matchup against Republican Kyle Kirkland. The district carries a Democratic lean reflected in its Cook Partisan Voting Index and recent voting patterns, bolstered by California's redistricting process. Costa's prior general election performance and established presence in the Central Valley seat have reinforced trader expectations for Democratic retention, with the party's 88.5% implied probability aligning with the structural advantages of incumbency and district composition ahead of the fall contest.
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
Parti démocrate
89%
Parti républicain
11%
Parti démocrate
89%
Parti républicain
11%
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 advanced from the June 2, 2026, top-two primary in California's 21st congressional district with a clear plurality, setting up a November general election matchup against Republican Kyle Kirkland. The district carries a Democratic lean reflected in its Cook Partisan Voting Index and recent voting patterns, bolstered by California's redistricting process. Costa's prior general election performance and established presence in the Central Valley seat have reinforced trader expectations for Democratic retention, with the party's 88.5% implied probability aligning with the structural advantages of incumbency and district composition ahead of the fall contest.
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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