Incumbent Democrat George Whitesides advanced from the June 2026 primary alongside Republican Jason Gibbs to contest the November general election for California's 27th congressional district. Trader consensus at 91.5% for Democrats reflects the seat's established partisan composition favoring the party, Whitesides' incumbency status, and California's top-two primary dynamics that typically consolidate support for the leading candidate in the general election. Limited Republican fundraising or polling momentum in recent cycles has reinforced this positioning. Scenarios that could narrow the gap include an unexpected national midterm wave favoring Republicans, a major scandal affecting the incumbent, or unusually high turnout shifts among key voting blocs in the district.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedCA-27 House Election Winner
$11,246 Vol.
$11,246 Vol.

Democratic Party
92%

Republican Party
6%
$11,246 Vol.
$11,246 Vol.

Democratic Party
92%

Republican Party
6%
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: Nov 25, 2025, 2:30 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...Incumbent Democrat George Whitesides advanced from the June 2026 primary alongside Republican Jason Gibbs to contest the November general election for California's 27th congressional district. Trader consensus at 91.5% for Democrats reflects the seat's established partisan composition favoring the party, Whitesides' incumbency status, and California's top-two primary dynamics that typically consolidate support for the leading candidate in the general election. Limited Republican fundraising or polling momentum in recent cycles has reinforced this positioning. Scenarios that could narrow the gap include an unexpected national midterm wave favoring Republicans, a major scandal affecting the incumbent, or unusually high turnout shifts among key voting blocs in the district.
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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