Incumbent Jim Costa holds a commanding position in California's 21st Congressional District general election on November 3, 2026, reflecting the district's Democratic lean and his long tenure since 2005. Multiple forecasters including the Cook Political Report and Sabato's Crystal Ball rate the seat Likely Democratic, consistent with Costa's 52.6% victory in 2024. The June 2026 top-two primary advanced Costa with 42.2% and Republican Kyle Kirkland with 26.3%, splitting the opposition vote and underscoring limited Republican consolidation. Costa maintains a substantial fundraising and cash-on-hand advantage, while the Central Valley district's voter registration and recent performance favor the incumbent. Late developments such as a major scandal, health event, or significant turnout shift could narrow the gap, though current trader consensus aligns with these structural factors.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · AktualisiertCA-21 Wahlsieger
$27,144 Vol.
$27,144 Vol.
Jim Costa (D)
93%
Kyle Kirkland (R)
7%
$27,144 Vol.
$27,144 Vol.
Jim Costa (D)
93%
Kyle Kirkland (R)
7%
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/).
Markt eröffnet: Jan 28, 2026, 12:08 AM ET
Abwickler
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/).
Abwickler
0x2F5e3684c...Incumbent Jim Costa holds a commanding position in California's 21st Congressional District general election on November 3, 2026, reflecting the district's Democratic lean and his long tenure since 2005. Multiple forecasters including the Cook Political Report and Sabato's Crystal Ball rate the seat Likely Democratic, consistent with Costa's 52.6% victory in 2024. The June 2026 top-two primary advanced Costa with 42.2% and Republican Kyle Kirkland with 26.3%, splitting the opposition vote and underscoring limited Republican consolidation. Costa maintains a substantial fundraising and cash-on-hand advantage, while the Central Valley district's voter registration and recent performance favor the incumbent. Late developments such as a major scandal, health event, or significant turnout shift could narrow the gap, though current trader consensus aligns with these structural factors.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · Aktualisiert

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