Will the Republican Party win the OK-01 House seat?

Prediction markets currently give a 87% probability that Will the Republican Party win the OK-01 House seat?. This contract trades at 87¢ on Polymarket, closing November 3, 2026. The market prices Republicans as heavy favorites at 87¢ in Oklahoma's safely red first district, though the 1¢ spread and modest $124.59 daily volume suggest limited liquidity for a contract with over $22.8M open interest.

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87¢
Bid/Ask 85/88¢·Spread 3¢·Vol $0·OI $25,541.849·Closes Nov 3, 2026·195d remaining
0x7d0a1c4119397c81335b2e279f69eb674a67ae080778c416e5619275c18fc3dd
7-day price23 snapshots · 22 regime
89¢87¢ current
Apr 865¢Apr 21

Analysis

5d ago

The market prices Republicans as heavy favorites at 87¢ in Oklahoma's safely red first district, though the 1¢ spread and modest $124.59 daily volume suggest limited liquidity for a contract with over $22.8M open interest. The extreme 1217% implied yield on the "No" side reflects the asymmetric risk profile typical of heavily favored outcomes, while the 7-point Cliff Risk Index indicates meaningful tail risk despite the neutral regime score. With 201 days to expiration, this remains a relatively stable market that has barely moved from 88¢ in the past week, suggesting the consensus view of Republican dominance in this district is well-established.

Resolution rules

This market will resolve according to the party of the candidate who wins the OK-01 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026. ​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources. This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).

Indicators

IY (Yes) 28.0%
IY (No) 1252.0%
Adj IY 626%
CRI 7
▶ Full indicator table (4)
IndicatorValue
IY (Yes)28.0%
IY (No)1252.0%
Adj IY626%
CRI7

Regime

Label
neutral
Score
0.409
Spread
3¢
Computed
4/21/2026, 9:51:28 PM
Observability mediumEvent type political
Indicators computed 4/21/2026, 9:38:18 PM

Trade

View on polymarketsf trade 0x7d0a1c4119397c81335b2e279f69eb674a67ae080778c416e5619275c18fc3dd yes 100

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