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.
基于Polymarket数据的AI实验性摘要。这不是交易建议，也不影响该市场的结算方式。 · 更新于$27,144 交易量
$27,144 交易量
2026-11-02
吉姆·科斯塔（民主党）
93%
凯尔·柯克兰（共和党）
7%
$27,144 交易量
$27,144 交易量
2026-11-02
吉姆·科斯塔（民主党）
$14,977 交易量
93%
凯尔·柯克兰（共和党）
$12,168 交易量
7%
This market will resolve according to the party of the candidate who wins the CA-21 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).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.
This market will resolve according to the party of the candidate who wins the CA-21 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).
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/).
市场开放时间： Jan 28, 2026, 12:08 AM ET
交易量
$27,144结束日期
2026-11-03市场开放时间
Jan 28, 2026, 12:08 AM ETThis market will resolve according to the party of the candidate who wins the CA-21 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).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.
This market will resolve according to the party of the candidate who wins the CA-21 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).
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/).
交易量
$27,144结束日期
2026-11-03市场开放时间
Jan 28, 2026, 12:08 AM ETIncumbent 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.
基于Polymarket数据的AI实验性摘要。这不是交易建议，也不影响该市场的结算方式。 · 更新于
警惕外部链接哦。
警惕外部链接哦。
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