Oklahoma's 1st congressional district maintains a strong Republican lean, reflected in its R+11 Partisan Voter Index and consistent "Solid Republican" or "Safe Republican" ratings from forecasters including the Cook Political Report and Sabato's Crystal Ball. The June 2026 Republican primary produced state Representative Mark Tedford as nominee after he led the field and advanced when rival Jackson Lahmeyer withdrew ahead of the planned runoff. Democrat John Croisant secured the nomination unopposed. With the November 3 general election still ahead, traders assign the Republican Party a commanding position based on the district's voting history and the absence of competitive Democratic infrastructure. A realistic shift would require a major scandal, health issue, or national political realignment capable of overcoming the structural Republican advantage in this Tulsa-area seat.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedOK-01 House Election Winner
$24,866 Vol.
$24,866 Vol.
Republican Party
91%
Democratic Party
9%
$24,866 Vol.
$24,866 Vol.
Republican Party
91%
Democratic Party
9%
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, 11:23 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...Oklahoma's 1st congressional district maintains a strong Republican lean, reflected in its R+11 Partisan Voter Index and consistent "Solid Republican" or "Safe Republican" ratings from forecasters including the Cook Political Report and Sabato's Crystal Ball. The June 2026 Republican primary produced state Representative Mark Tedford as nominee after he led the field and advanced when rival Jackson Lahmeyer withdrew ahead of the planned runoff. Democrat John Croisant secured the nomination unopposed. With the November 3 general election still ahead, traders assign the Republican Party a commanding position based on the district's voting history and the absence of competitive Democratic infrastructure. A realistic shift would require a major scandal, health issue, or national political realignment capable of overcoming the structural Republican advantage in this Tulsa-area seat.
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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