Incumbent Democrat Joaquin Castro secured the Democratic nomination for Texas’s 20th congressional district with 88 percent in the March 2026 primary, facing Republican Edgardo Baez in the November 3 general election. The San Antonio-based seat’s strong Democratic lean, reflected in consistent large margins for Castro in prior cycles and a Cook Partisan Voting Index rating of D+16, underpins trader consensus favoring the Democratic nominee at 93.5 percent. Redistricting preserved the district’s core demographics, and no competitive challenges or notable shifts have emerged since the primaries. Late developments such as a major scandal, health issue, or unusually strong national Republican wave would be required to alter the outcome.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedTX-20 House Election Winner
TX-20 House Election Winner
$10,988 Vol.
$10,988 Vol.
Nov 3, 2026
Democratic Party
94%
Republican Party
7%
$10,988 Vol.
$10,988 Vol.
Nov 3, 2026
Democratic Party
$9,001 Vol.
94%
Republican Party
$1,987 Vol.
7%
This market will resolve according to the party of the candidate who wins the TX-20 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 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/).Incumbent Democrat Joaquin Castro secured the Democratic nomination for Texas’s 20th congressional district with 88 percent in the March 2026 primary, facing Republican Edgardo Baez in the November 3 general election. The San Antonio-based seat’s strong Democratic lean, reflected in consistent large margins for Castro in prior cycles and a Cook Partisan Voting Index rating of D+16, underpins trader consensus favoring the Democratic nominee at 93.5 percent. Redistricting preserved the district’s core demographics, and no competitive challenges or notable shifts have emerged since the primaries. Late developments such as a major scandal, health issue, or unusually strong national Republican wave would be required to alter the outcome.
This market will resolve according to the party of the candidate who wins the TX-20 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 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 28, 2026, 11:24 AM ET
Volume
$10,988End Date
Nov 3, 2026Market Opened
Jan 28, 2026, 11:24 AM ETResolver
0x2F5e3684c...This market will resolve according to the party of the candidate who wins the TX-20 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 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/).Incumbent Democrat Joaquin Castro secured the Democratic nomination for Texas’s 20th congressional district with 88 percent in the March 2026 primary, facing Republican Edgardo Baez in the November 3 general election. The San Antonio-based seat’s strong Democratic lean, reflected in consistent large margins for Castro in prior cycles and a Cook Partisan Voting Index rating of D+16, underpins trader consensus favoring the Democratic nominee at 93.5 percent. Redistricting preserved the district’s core demographics, and no competitive challenges or notable shifts have emerged since the primaries. Late developments such as a major scandal, health issue, or unusually strong national Republican wave would be required to alter the outcome.
This market will resolve according to the party of the candidate who wins the TX-20 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 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
$10,988End Date
Nov 3, 2026Market Opened
Jan 28, 2026, 11:24 AM ETResolver
0x2F5e3684c...Incumbent Democrat Joaquin Castro secured the Democratic nomination for Texas’s 20th congressional district with 88 percent in the March 2026 primary, facing Republican Edgardo Baez in the November 3 general election. The San Antonio-based seat’s strong Democratic lean, reflected in consistent large margins for Castro in prior cycles and a Cook Partisan Voting Index rating of D+16, underpins trader consensus favoring the Democratic nominee at 93.5 percent. Redistricting preserved the district’s core demographics, and no competitive challenges or notable shifts have emerged since the primaries. Late developments such as a major scandal, health issue, or unusually strong national Republican wave would be required to alter the outcome.
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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