Incumbent Democrat Jim Costa's commanding position drives trader consensus to an 87.5% implied probability for a Democratic win in California's 21st Congressional District, reflecting the district's D+5 partisan lean and Harris +6 hypothetical performance. Ahead of the June 2 top-two primary, Costa holds a massive fundraising edge with $854,000 cash-on-hand versus minimal challenger support among Democrats Eric Garcia and Lourin Hubbard, while Republicans Kyle Kirkland and Lorenzo Rios split resources at $80,000 and $86,000 respectively. Forecasters like Cook Political Report rate it Likely Democratic, with no major developments in the past 30 days shifting momentum; the general election follows November 3, where Costa's path to victory appears straightforward barring primary upset or scandal.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoCA-21 House Election Winner
Democratic Party
88%
Republican Party
12%
Democratic Party
88%
Republican Party
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/).
Mercato aperto: 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 commanding position drives trader consensus to an 87.5% implied probability for a Democratic win in California's 21st Congressional District, reflecting the district's D+5 partisan lean and Harris +6 hypothetical performance. Ahead of the June 2 top-two primary, Costa holds a massive fundraising edge with $854,000 cash-on-hand versus minimal challenger support among Democrats Eric Garcia and Lourin Hubbard, while Republicans Kyle Kirkland and Lorenzo Rios split resources at $80,000 and $86,000 respectively. Forecasters like Cook Political Report rate it Likely Democratic, with no major developments in the past 30 days shifting momentum; the general election follows November 3, where Costa's path to victory appears straightforward barring primary upset or scandal.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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