Incumbent Republican Sen. James Lankford's strong position in deeply red Oklahoma drives the 94.5% trader consensus for a GOP Senate winner in November 2026, reflecting the state's consistent Republican dominance—Trump carried it by over 30 points in 2024—and historical base rates where no Democrat has won statewide since the 1990s. No major developments in the past 30 days, including Gov. Stitt's recent appointment of Alan Armstrong to fill the junior Senate vacancy, have shifted odds, as Lankford remains active without announced primary challengers ahead of the June 16 GOP primary. Realistic challenges include a high-profile conservative primary upset fracturing the Republican vote, a surprise Democratic recruit boosting turnout in urban areas like Oklahoma City and Tulsa, or a late scandal, health issue, or national wave eroding incumbency advantages.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten · Aktualisiert
Republikaner
95%

Demokrat
5%

Republikaner
95%

Demokrat
5%
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.
Markt eröffnet: 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 Sen. James Lankford's strong position in deeply red Oklahoma drives the 94.5% trader consensus for a GOP Senate winner in November 2026, reflecting the state's consistent Republican dominance—Trump carried it by over 30 points in 2024—and historical base rates where no Democrat has won statewide since the 1990s. No major developments in the past 30 days, including Gov. Stitt's recent appointment of Alan Armstrong to fill the junior Senate vacancy, have shifted odds, as Lankford remains active without announced primary challengers ahead of the June 16 GOP primary. Realistic challenges include a high-profile conservative primary upset fracturing the Republican vote, a surprise Democratic recruit boosting turnout in urban areas like Oklahoma City and Tulsa, or a late scandal, health issue, or national wave eroding incumbency advantages.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten · Aktualisiert
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