Republican incumbent Tom McClintock advanced from California's June 2026 top-two primary with roughly 61% of the vote, facing Democrat Michael Masuda in the November 3 general election. The district's partisan lean, reflected in a Cook Partisan Voting Index around R+10, combined with McClintock's long tenure since 2009 and limited Democratic opposition, underpins trader consensus favoring the Republican Party. Forecasters rate the seat Solid or Safe Republican, with no significant late developments altering the matchup or voter trends ahead of Election Day.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedCA-05 House Election Winner
NEW
NEW
Nov 3, 2026
Republican Party
89%
Democratic Party
11%
NEW
NEW
Nov 3, 2026
Republican Party
$5,317 Vol.
89%
Democratic Party
$2,036 Vol.
11%
This market will resolve according to the party of the candidate who wins the CA-05 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/).Republican incumbent Tom McClintock advanced from California's June 2026 top-two primary with roughly 61% of the vote, facing Democrat Michael Masuda in the November 3 general election. The district's partisan lean, reflected in a Cook Partisan Voting Index around R+10, combined with McClintock's long tenure since 2009 and limited Democratic opposition, underpins trader consensus favoring the Republican Party. Forecasters rate the seat Solid or Safe Republican, with no significant late developments altering the matchup or voter trends ahead of Election Day.
This market will resolve according to the party of the candidate who wins the CA-05 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, 11:54 PM ET
Volume
$7,353End Date
Nov 3, 2026Market Opened
Jan 27, 2026, 11:54 PM ETResolver
0x2F5e3684c...This market will resolve according to the party of the candidate who wins the CA-05 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/).Republican incumbent Tom McClintock advanced from California's June 2026 top-two primary with roughly 61% of the vote, facing Democrat Michael Masuda in the November 3 general election. The district's partisan lean, reflected in a Cook Partisan Voting Index around R+10, combined with McClintock's long tenure since 2009 and limited Democratic opposition, underpins trader consensus favoring the Republican Party. Forecasters rate the seat Solid or Safe Republican, with no significant late developments altering the matchup or voter trends ahead of Election Day.
This market will resolve according to the party of the candidate who wins the CA-05 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
$7,353End Date
Nov 3, 2026Market Opened
Jan 27, 2026, 11:54 PM ETResolver
0x2F5e3684c...Republican incumbent Tom McClintock advanced from California's June 2026 top-two primary with roughly 61% of the vote, facing Democrat Michael Masuda in the November 3 general election. The district's partisan lean, reflected in a Cook Partisan Voting Index around R+10, combined with McClintock's long tenure since 2009 and limited Democratic opposition, underpins trader consensus favoring the Republican Party. Forecasters rate the seat Solid or Safe Republican, with no significant late developments altering the matchup or voter trends ahead of Election Day.
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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