The redistricting enacted through Proposition 50 shifted California's 1st Congressional District boundaries, incorporating additional Democratic-leaning areas in Mendocino and Sonoma counties while removing conservative strongholds, creating a structural advantage for Democrats. This change underpins the current trader consensus favoring state Senate President pro tempore Mike McGuire over Republican James Gallagher, who won a June special election under the prior map but now competes in a district rated solid Democratic by multiple forecasters. Gallagher's primary performance and subsequent general-election positioning have not closed the gap. Late-breaking developments such as unexpected turnout shifts, major scandals, or health events remain the primary factors that could realistically alter the outcome before November voting concludes.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedCA-01 House Election Winner
CA-01 House Election Winner
$35,064 Vol.
$35,064 Vol.
Nov 3, 2026
Mike McGuire (D)
97%
James Gallagher (R)
2%
$35,064 Vol.
$35,064 Vol.
Nov 3, 2026
Mike McGuire (D)
$26,337 Vol.
97%
James Gallagher (R)
$8,727 Vol.
2%
This market will resolve according to the party of the candidate who wins the CA-01 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/).The redistricting enacted through Proposition 50 shifted California's 1st Congressional District boundaries, incorporating additional Democratic-leaning areas in Mendocino and Sonoma counties while removing conservative strongholds, creating a structural advantage for Democrats. This change underpins the current trader consensus favoring state Senate President pro tempore Mike McGuire over Republican James Gallagher, who won a June special election under the prior map but now competes in a district rated solid Democratic by multiple forecasters. Gallagher's primary performance and subsequent general-election positioning have not closed the gap. Late-breaking developments such as unexpected turnout shifts, major scandals, or health events remain the primary factors that could realistically alter the outcome before November voting concludes.
This market will resolve according to the party of the candidate who wins the CA-01 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
$35,064End Date
Nov 4, 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-01 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/).The redistricting enacted through Proposition 50 shifted California's 1st Congressional District boundaries, incorporating additional Democratic-leaning areas in Mendocino and Sonoma counties while removing conservative strongholds, creating a structural advantage for Democrats. This change underpins the current trader consensus favoring state Senate President pro tempore Mike McGuire over Republican James Gallagher, who won a June special election under the prior map but now competes in a district rated solid Democratic by multiple forecasters. Gallagher's primary performance and subsequent general-election positioning have not closed the gap. Late-breaking developments such as unexpected turnout shifts, major scandals, or health events remain the primary factors that could realistically alter the outcome before November voting concludes.
This market will resolve according to the party of the candidate who wins the CA-01 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
$35,064End Date
Nov 4, 2026Market Opened
Jan 27, 2026, 11:54 PM ETResolver
0x2F5e3684c...The redistricting enacted through Proposition 50 shifted California's 1st Congressional District boundaries, incorporating additional Democratic-leaning areas in Mendocino and Sonoma counties while removing conservative strongholds, creating a structural advantage for Democrats. This change underpins the current trader consensus favoring state Senate President pro tempore Mike McGuire over Republican James Gallagher, who won a June special election under the prior map but now competes in a district rated solid Democratic by multiple forecasters. Gallagher's primary performance and subsequent general-election positioning have not closed the gap. Late-breaking developments such as unexpected turnout shifts, major scandals, or health events remain the primary factors that could realistically alter the outcome before November voting concludes.
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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