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Kevin Hern
YesNo
Matt Pinnell
YesNo
Stephanie Bice
YesNo
John M. O’Connor
YesNo
Markwayne Mullin
YesNo
Tammy Swearengin
YesNo
Ron Meinhardt
YesNo
Wayne Lonny Washington
YesNo
Nick Hankins
YesNo
Donelle Harder
YesNo
AI Insights:
03.05 23:08 UpdatedFair Value Reasoning:
Breaking News: On March 5, 2026, President Trump announced the nomination of incumbent Senator Markwayne Mullin as Secretary of Homeland Security (DHS). Mullin is highly likely to resign from the Senate and withdraw from the re-election race, driving his win probability to near zero (leaving 5% for unlikely confirmation failure). Kevin Hern (Rep), Matt Pinnell (Lt. Gov), and Stephanie Bice (Rep) emerge as the strongest contenders to fill the open seat. Although Hern announced a House re-election bid in Feb, the sudden Senate vacancy significantly alters the political landscape.
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Rule Risk
There is a high rule trap risk. The rules state 'If no primary takes place... resolve to Other'. In Oklahoma, if an incumbent (like Markwayne Mullin) runs unopposed, the primary is often cancelled/not held, and the candidate is deemed elected. Under a strict literal reading, this scenario would cause bets on Mullin to lose and 'Other' to win, despite him retaining the seat.
Divergence
Extreme divergence. The market currently prices Markwayne Mullin at 50% probability (likely due to illiquidity/zombie state), while real-world mainstream news (March 5) confirms he has been nominated as DHS Secretary and is leaving the Senate. The market is completely lagging reality.