Incumbent Rep. Brian Mast's prominence as House Foreign Affairs Committee chairman, combined with Florida's 21st Congressional District's Solid Republican rating (Cook PVI R+7) and his dominant 2024 victory (62%-38%), anchor trader consensus at 86.5% for a Republican hold. The district's 58%-41% Republican presidential margin in 2024 underscores its partisan reliability, bolstered by Mast's $2.3 million cash-on-hand versus fragmented Democratic challengers like Pia Dandiya ($929K) and James Martin ahead of the April 24 filing deadline and August 18 primaries. No major developments in the past 30 days have shifted dynamics, with ratings from Cook, Sabato, and Inside Elections affirming low flip risk despite an independent candidate.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jourVainqueur de l'élection à la Chambre FL-21
Vainqueur de l'élection à la Chambre FL-21
Parti républicain
87%
Parti démocrate
13%
Parti républicain
87%
Parti démocrate
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/).
Marché ouvert : Jan 28, 2026, 10:58 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...Incumbent Rep. Brian Mast's prominence as House Foreign Affairs Committee chairman, combined with Florida's 21st Congressional District's Solid Republican rating (Cook PVI R+7) and his dominant 2024 victory (62%-38%), anchor trader consensus at 86.5% for a Republican hold. The district's 58%-41% Republican presidential margin in 2024 underscores its partisan reliability, bolstered by Mast's $2.3 million cash-on-hand versus fragmented Democratic challengers like Pia Dandiya ($929K) and James Martin ahead of the April 24 filing deadline and August 18 primaries. No major developments in the past 30 days have shifted dynamics, with ratings from Cook, Sabato, and Inside Elections affirming low flip risk despite an independent candidate.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour
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