California's 12th congressional district ranks among the nation's most Democratic seats, with a Partisan Voter Index of D+39 based on recent presidential results. Incumbent Lateefah Simon secured the June 2026 top-two primary with over 84% of the vote against fellow Democrat Jamie Joyce, advancing both to the November general while a Republican write-in candidate received negligible support. Forecasters across outlets rate the race Solid or Safe Democratic, reflecting the district's consistent partisan patterns and the absence of viable Republican opposition. Trader consensus at these levels aligns with historical base rates for such seats, where Democratic nominees prevail by wide margins absent extraordinary disruptions. Realistic challenges remain limited to unforeseen events such as simultaneous candidate withdrawals or major legal disqualifications that could alter the general election matchup.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedCA-12 House Election Winner
CA-12 House Election Winner
$44,086 Vol.
$44,086 Vol.
Nov 2, 2026
Democratic Party
98%
Republican Party
1%
$44,086 Vol.
$44,086 Vol.
Nov 2, 2026
Democratic Party
$26,835 Vol.
98%
Republican Party
$17,251 Vol.
1%
This market will resolve according to the party of the candidate who wins the CA-12 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/).California's 12th congressional district ranks among the nation's most Democratic seats, with a Partisan Voter Index of D+39 based on recent presidential results. Incumbent Lateefah Simon secured the June 2026 top-two primary with over 84% of the vote against fellow Democrat Jamie Joyce, advancing both to the November general while a Republican write-in candidate received negligible support. Forecasters across outlets rate the race Solid or Safe Democratic, reflecting the district's consistent partisan patterns and the absence of viable Republican opposition. Trader consensus at these levels aligns with historical base rates for such seats, where Democratic nominees prevail by wide margins absent extraordinary disruptions. Realistic challenges remain limited to unforeseen events such as simultaneous candidate withdrawals or major legal disqualifications that could alter the general election matchup.
This market will resolve according to the party of the candidate who wins the CA-12 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/).
Market Opened: Jan 27, 2026, 11:56 PM ET
Volume
$44,086End Date
Nov 3, 2026Market Opened
Jan 27, 2026, 11:56 PM ETResolver
0x2F5e3684c...This market will resolve according to the party of the candidate who wins the CA-12 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/).California's 12th congressional district ranks among the nation's most Democratic seats, with a Partisan Voter Index of D+39 based on recent presidential results. Incumbent Lateefah Simon secured the June 2026 top-two primary with over 84% of the vote against fellow Democrat Jamie Joyce, advancing both to the November general while a Republican write-in candidate received negligible support. Forecasters across outlets rate the race Solid or Safe Democratic, reflecting the district's consistent partisan patterns and the absence of viable Republican opposition. Trader consensus at these levels aligns with historical base rates for such seats, where Democratic nominees prevail by wide margins absent extraordinary disruptions. Realistic challenges remain limited to unforeseen events such as simultaneous candidate withdrawals or major legal disqualifications that could alter the general election matchup.
This market will resolve according to the party of the candidate who wins the CA-12 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/).
Volume
$44,086End Date
Nov 3, 2026Market Opened
Jan 27, 2026, 11:56 PM ETResolver
0x2F5e3684c...California's 12th congressional district ranks among the nation's most Democratic seats, with a Partisan Voter Index of D+39 based on recent presidential results. Incumbent Lateefah Simon secured the June 2026 top-two primary with over 84% of the vote against fellow Democrat Jamie Joyce, advancing both to the November general while a Republican write-in candidate received negligible support. Forecasters across outlets rate the race Solid or Safe Democratic, reflecting the district's consistent partisan patterns and the absence of viable Republican opposition. Trader consensus at these levels aligns with historical base rates for such seats, where Democratic nominees prevail by wide margins absent extraordinary disruptions. Realistic challenges remain limited to unforeseen events such as simultaneous candidate withdrawals or major legal disqualifications that could alter the general election matchup.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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