Republican incumbent Sen. Joni Ernst's consistent double-digit polling leads over Democrat Christina Bohannan form the core driver of trader consensus pricing a 61.5% GOP hold probability in Iowa's Senate contest. Recent Emerson College (October 2024) and Trafalgar polls show Ernst ahead 52-44% and 51-44%, respectively, bolstered by Iowa's R+9 partisan lean from 2020 presidential results and Ernst's incumbency advantages in fundraising and name recognition. A strong debate performance by Ernst last week and minimal national Democratic momentum have steadied odds, though early voting trends and final ad blitzes could shift sentiment ahead of November 5. Traders weigh these as reflecting GOP Senate map resilience.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jourVainqueur des élections sénatoriales de l'Iowa
Vainqueur des élections sénatoriales de l'Iowa
$82,296 Vol.
$82,296 Vol.

Républicain
62%

Démocrate
39%
$82,296 Vol.
$82,296 Vol.

Républicain
62%

Démocrate
39%
A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date.
Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party.
The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.
Marché ouvert : Oct 13, 2025, 5:31 PM ET
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0x2F5e3684c...Resolver
0x2F5e3684c...Republican incumbent Sen. Joni Ernst's consistent double-digit polling leads over Democrat Christina Bohannan form the core driver of trader consensus pricing a 61.5% GOP hold probability in Iowa's Senate contest. Recent Emerson College (October 2024) and Trafalgar polls show Ernst ahead 52-44% and 51-44%, respectively, bolstered by Iowa's R+9 partisan lean from 2020 presidential results and Ernst's incumbency advantages in fundraising and name recognition. A strong debate performance by Ernst last week and minimal national Democratic momentum have steadied odds, though early voting trends and final ad blitzes could shift sentiment ahead of November 5. Traders weigh these as reflecting GOP Senate map resilience.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour
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