TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 15, 8:00 PM EST
Polymarket
This market tracks which candidate will secure the Republican Party nomination for Oklahoma's 1st congressional district in the 2026 midterm elections. On Polymarket, Jackson Lahmeyer holds 78.0% probability of winning the nomination, while Mark Tedford stands at 22.5%. Resolution will be determined by official Republican sources including the RNC, with the Republican primary scheduled for June 16, 2026. Watch the primary election results on June 16, 2026, which will determine the nominee for the OK-01 House seat.
This market will resolve according to the candidate who wins the nomination for the Republican Party to contest the OK-01 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Republican primary will take place on June 16, 2026. If no nominee is announced by November 3, 2026, 11:59 PM ET, this market will resolve to "Other". The resolution source for this market will be a consensus of official Republican sources, including https://www.rnc.org/. Any replacement of the nominee before election day will not change the resolution of the market.
Prediction market odds on Polymarket often diverge from traditional polling because traders incorporate real-time information, fundraising data, endorsements, and campaign momentum that polls may lag in capturing. While polls measure voter preference at a single point in time, prediction markets aggregate continuous bets from participants with financial incentive to forecast accurately. For the OK-01 race, comparing market-implied probabilities to recent public polls reveals whether traders are pricing in factors polls have not yet reflected, such as candidate viability shifts or late-breaking campaign developments.
The OK-01 Republican Primary Winner market resolves on Jun 16, 2026, coinciding with the Oklahoma primary election date. Resolution is determined by the official Republican nominee selected through the primary process. Traders should monitor candidate announcements, filing deadlines, and primary results as the event date approaches. The market will settle once the Republican Party officially certifies the nominee for Oklahoma's 1st congressional district seat.
Key catalysts for the OK-01 Republican primary include candidate endorsements from state and national party figures, campaign funding announcements and spending reports, debate performances, and shifts in voter sentiment captured by new polling. Candidate entry or withdrawal from the race, scandals, or major policy announcements can rapidly shift market prices. Local media coverage, grassroots organizing intensity, and turnout expectations in the district also influence trader positioning. Watch for filing deadline changes, redistricting developments, and any shifts in the broader national Republican primary landscape that could affect Oklahoma dynamics.