California’s 12th congressional district, encompassing parts of the San Francisco Bay Area, features a heavily Democratic electorate and voter registration advantage exceeding 50 points. The June 2026 top-two primary advanced two Democratic candidates—incumbent Lateefah Simon and challenger Jamie Joyce—eliminating any Republican from the November general election ballot. Simon’s dominant primary performance exceeding 80 percent reinforced the seat’s status as a safe Democratic hold. Trader consensus at 97 percent for the Democratic Party reflects this structural lock under California’s election rules, with only remote scenarios such as a candidate withdrawal, disqualification, or unprecedented turnout anomaly potentially altering the outcome before certification.
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-12
$43,796 Vol.
$43,796 Vol.
Parti démocrate
97%
Parti républicain
2%
$43,796 Vol.
$43,796 Vol.
Parti démocrate
97%
Parti républicain
2%
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 27, 2026, 11:56 PM 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...California’s 12th congressional district, encompassing parts of the San Francisco Bay Area, features a heavily Democratic electorate and voter registration advantage exceeding 50 points. The June 2026 top-two primary advanced two Democratic candidates—incumbent Lateefah Simon and challenger Jamie Joyce—eliminating any Republican from the November general election ballot. Simon’s dominant primary performance exceeding 80 percent reinforced the seat’s status as a safe Democratic hold. Trader consensus at 97 percent for the Democratic Party reflects this structural lock under California’s election rules, with only remote scenarios such as a candidate withdrawal, disqualification, or unprecedented turnout anomaly potentially altering the outcome before certification.
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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