Trader consensus on Polymarket strongly favors Rep. Kevin Hern at 88% implied probability to win Oklahoma's Republican U.S. Senate primary, driven by his status as a top House fundraiser, representation of the competitive OK-1 district, and appeal to the GOP base critical of incumbent Sen. James Lankford's bipartisan border security negotiations earlier this year. Lankford faces potential primary vulnerability from Trump-aligned challengers, elevating Hern's positioning over Rep. Stephanie Bice, Sen. Markwayne Mullin, and Lt. Gov. Matt Pinnell, who lag in early speculation. No candidates have formally filed for the 2026 contest, leaving odds sensitive to announcements, endorsements, or polling releases.
Experimental AI-generated summary referencing Polymarket data · UpdatedOklahoma Republican Senate Primary Winner
Oklahoma Republican Senate Primary Winner
Kevin Hern 88%
Stephanie Bice 2.1%
Markwayne Mullin 2.1%
Ron Meinhardt 1.8%
$45,023 Vol.
$45,023 Vol.
Kevin Hern
88%
Stephanie Bice
2%
Markwayne Mullin
2%
Ron Meinhardt
2%
Tammy Swearengin
2%
Wayne Lonny Washington
1%
John M. O’Connor
1%
Donelle Harder
1%
Nick Hankins
1%
Matt Pinnell
1%
Kevin Hern 88%
Stephanie Bice 2.1%
Markwayne Mullin 2.1%
Ron Meinhardt 1.8%
$45,023 Vol.
$45,023 Vol.
Kevin Hern
88%
Stephanie Bice
2%
Markwayne Mullin
2%
Ron Meinhardt
2%
Tammy Swearengin
2%
Wayne Lonny Washington
1%
John M. O’Connor
1%
Donelle Harder
1%
Nick Hankins
1%
Matt Pinnell
1%
If no 2026 Oklahoma Republican Senate Primary takes place, this market will resolve to "Other".
The resolution source for this market will be the first announcement of the results from the Oklahoma Republican party, however an overwhelming consensus of credible reporting may suffice.
Market Opened: Mar 5, 2026, 5:09 PM ET
Resolver
0x69c47De9D...Resolver
0x69c47De9D...Trader consensus on Polymarket strongly favors Rep. Kevin Hern at 88% implied probability to win Oklahoma's Republican U.S. Senate primary, driven by his status as a top House fundraiser, representation of the competitive OK-1 district, and appeal to the GOP base critical of incumbent Sen. James Lankford's bipartisan border security negotiations earlier this year. Lankford faces potential primary vulnerability from Trump-aligned challengers, elevating Hern's positioning over Rep. Stephanie Bice, Sen. Markwayne Mullin, and Lt. Gov. Matt Pinnell, who lag in early speculation. No candidates have formally filed for the 2026 contest, leaving odds sensitive to announcements, endorsements, or polling releases.
Experimental AI-generated summary referencing Polymarket data · Updated
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