Mark Teixeira secured the Republican nomination for Texas' 21st congressional district in the March 2026 primary with a decisive majority, while Kristin Hook won the Democratic nod. The open seat, vacated after incumbent Chip Roy pursued a statewide bid, sits in a district with a strong Republican lean, evidenced by recent presidential voting margins exceeding 10 points. Teixeira's endorsements from prominent party figures and substantial fundraising advantage have reinforced trader expectations of a GOP hold. With the general election still months away, the current market consensus reflects the district's partisan baseline and limited Democratic path to victory absent major shifts in turnout or external events.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedTX-21 House Election Winner
$58,715 Vol.
$58,715 Vol.
Republican Party
87%
Democratic Party
13%
$58,715 Vol.
$58,715 Vol.
Republican Party
87%
Democratic Party
13%
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
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...Mark Teixeira secured the Republican nomination for Texas' 21st congressional district in the March 2026 primary with a decisive majority, while Kristin Hook won the Democratic nod. The open seat, vacated after incumbent Chip Roy pursued a statewide bid, sits in a district with a strong Republican lean, evidenced by recent presidential voting margins exceeding 10 points. Teixeira's endorsements from prominent party figures and substantial fundraising advantage have reinforced trader expectations of a GOP hold. With the general election still months away, the current market consensus reflects the district's partisan baseline and limited Democratic path to victory absent major shifts in turnout or external events.
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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