Incumbent Republican Alan Armstrong, appointed after Sen. Markwayne Mullin's March 2026 resignation to become Homeland Security secretary, will not seek election, leaving an open U.S. Senate seat in deep-red Oklahoma. Forecasters rate it Solid Republican, with Rep. Kevin Hern leading GOP primary polls ahead of the June 16 primaries—trader consensus at 92.5% implied probability for a Republican winner reflects the state's history of lopsided GOP victories, including 2022's 33-point margin, and a fragmented Democratic primary field lacking statewide name recognition. A competitive GOP runoff or nominee scandal could narrow the general election on November 3, but Democratic paths remain slim absent a national wave or extraordinary turnout shifts.
Resumen experimental generado por IA con datos de Polymarket. Esto no es asesoramiento de trading y no influye en cómo se resuelve este mercado. · Actualizado$13,481 Vol.
$13,481 Vol.

Republicano
93%

Demócrata
6%
$13,481 Vol.
$13,481 Vol.

Republicano
93%

Demócrata
6%
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.
Mercado abierto: Oct 13, 2025, 4:48 PM ET
Resolver
0x2F5e3684c...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.
Resolver
0x2F5e3684c...Incumbent Republican Alan Armstrong, appointed after Sen. Markwayne Mullin's March 2026 resignation to become Homeland Security secretary, will not seek election, leaving an open U.S. Senate seat in deep-red Oklahoma. Forecasters rate it Solid Republican, with Rep. Kevin Hern leading GOP primary polls ahead of the June 16 primaries—trader consensus at 92.5% implied probability for a Republican winner reflects the state's history of lopsided GOP victories, including 2022's 33-point margin, and a fragmented Democratic primary field lacking statewide name recognition. A competitive GOP runoff or nominee scandal could narrow the general election on November 3, but Democratic paths remain slim absent a national wave or extraordinary turnout shifts.
Resumen experimental generado por IA con datos de Polymarket. Esto no es asesoramiento de trading y no influye en cómo se resuelve este mercado. · Actualizado
Cuidado con los enlaces externos.
Cuidado con los enlaces externos.
Preguntas frecuentes