Republican incumbent Brian Mast faces Democrat James Martin in Florida's 21st congressional district on November 3, 2026, following uncontested Republican and narrowly decided Democratic primaries in August. The seat carries a Cook Partisan Voter Index of R+7 and receives Solid or Safe Republican ratings from forecasters including the Cook Political Report, Inside Elections, and Sabato's Crystal Ball. Mid-decade redistricting preserved the district's Republican tilt along the Treasure Coast and northern Palm Beach County, with Mast holding the seat since 2017. Trader pricing at 93% Republican reflects the district's structural lean, the incumbent's established position, and the absence of competitive indicators or significant recent shifts that would alter the balance before the general election. A late scandal, unusually strong Democratic turnout, or national wave could narrow margins, though such factors have not materialized in current assessments.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoFL-21 House Election Winner
$14,472 Vol.
$14,472 Vol.
Republican Party
93%
Democratic Party
8%
$14,472 Vol.
$14,472 Vol.
Republican Party
93%
Democratic Party
8%
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/).
Mercato aperto: Jan 28, 2026, 10:58 AM ET
Risolutore
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/).
Risolutore
0x2F5e3684c...Republican incumbent Brian Mast faces Democrat James Martin in Florida's 21st congressional district on November 3, 2026, following uncontested Republican and narrowly decided Democratic primaries in August. The seat carries a Cook Partisan Voter Index of R+7 and receives Solid or Safe Republican ratings from forecasters including the Cook Political Report, Inside Elections, and Sabato's Crystal Ball. Mid-decade redistricting preserved the district's Republican tilt along the Treasure Coast and northern Palm Beach County, with Mast holding the seat since 2017. Trader pricing at 93% Republican reflects the district's structural lean, the incumbent's established position, and the absence of competitive indicators or significant recent shifts that would alter the balance before the general election. A late scandal, unusually strong Democratic turnout, or national wave could narrow margins, though such factors have not materialized in current assessments.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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