Short Answer

The Republican party is expected to win the 2026 Oklahoma gubernatorial election, driven by a significant structural voter advantage and consistent victories in all statewide offices since 2010, with the market pricing this at 91.0%.

1. Market Behavior & Drivers

This contract, which resolves to YES if a Democrat wins the 2026 Oklahoma governor's race, repriced higher following Mike Mazzei's victory in the August 25 Republican primary runoff. The market's implied probability for a Democratic win climbed from 8.0% on August 26 to a peak of 11.0% by September 3. This move suggests the market views Mazzei, a former state senator endorsed by Donald Trump, as a weaker general election candidate than his primary opponent, increasing the chances for the Democratic nominee, Cyndi Munson.
The subsequent fade from the 11.0% high back to 9.2% by September 9 did not correspond with any reported news. The data shows this decline occurred on zero volume, indicating a potential price reversion in illiquid conditions rather than a conviction-based move on new information. Overall, the market remains range-bound, implying low odds for a Democratic victory but assigning slightly higher chances now that Mazzei is the confirmed Republican nominee.
  • Since last update (~28d): The market led Cyndi Munson's probability surge (+4.7pp), widening the model-market edge by 3.4pp.
  • The market decreased Republican party probability more (-3.3pp) than the model (-1.3pp), widening its edge.
  • Our confidence score increased by +4.0pp, now at 9.0, reflecting higher analytical certainty.
  • Republican party appears favored, holding a strong structural voter registration advantage.
  • Expert forecasts project Republican nominee Mike Mazzei as presumptive winner with 97% probability.
  • Mazzei's narrow primary runoff win could indicate less overwhelming intra-party support.

Who Wins and Why

Outcome Market Model Why
Cyndi Munson 9.2% 5.9% Oklahoma's strong Republican lean and voter registration present immense structural challenges for Democrats.
Republican party 91.0% 94.1% The Republican party benefits from a strong structural advantage and historical dominance in Oklahoma statewide elections.

Current Context

Mike Mazzei secured the Republican nomination for Oklahoma Governor. The financial planner and former state senator won the August 25, 2026, runoff primary election [1][2][3][4]. Mazzei defeated Attorney General Gentner Drummond by approximately 2,000 votes, capturing about 50.28% of the vote [1][4][5][6][7]. Incumbent Governor Kevin Stitt is term-limited and ineligible for re-election in 2026, creating an open contest for the office [2][8][5][6].
The general election features five candidates, with key dates approaching. On November 3, 2026, Republican nominee Mike Mazzei will face Democratic nominee and House Minority Leader Cyndi Munson [1][3][9][8]. Three independent candidates will also appear on the ballot: Robert Brooks, Orlando Lynn Bush, and Jerry Griffin [1][8][10]. The voter registration deadline is October 9, 2026, followed by early voting from October 28–31, 2026 [11][12][13][14]. Election Day for the 2026 Oklahoma gubernatorial election is set for November 3, 2026 [8][11][13][14][5][6].
Sources (14)
  1. 1As Voters Back Political Newcomers, Mazzei Secures GOP Nomination for Governor - Oklahoma Watchoklahomawatch.org
  2. 2Trump-endorsed Mike Mazzei wins GOP nomination for Oklahoma governor | PBS Newspbs.org
  3. 3Mazzei emerges from primary runoff as Republican nominee, will face Munson in Novemberokcfox.com
  4. 4Mazzei defeats Drummond by 2K votes in OK governor's runofftulsaworld.com
  5. 5Oklahoma gubernatorial election, 2026 (August 25 Republican...ballotpedia.org
  6. 62026 Oklahoma Governor Live Election Results | DDHQnewsnation-votes.decisiondeskhq.com
  7. 72026 Oklahoma Governor Live Election Results | DDHQintegration-votes.decisiondeskhq.com
  8. 8Oklahoma gubernatorial election, 2026 - Ballotpediaballotpedia.org
  9. 9Mazzei, Drummond advance to runoff election for Oklahoma governor | KGOU - Oklahoma's NPR Sourcekgou.org
  10. 10Oklahoma state executive official elections, 2026 - Ballotpediaballotpedia.org
  11. 112026 Statutory Election Dates and Deadlinesoklahoma.gov
  12. 12Voter Information Calendaroklahoma.gov
  13. 13When is next Oklahoma governor election? See dates, candidate info.oklahoman.com
  14. 14Oklahoma 2026 Election Guide | Show Up or Shut Upshowuporshutup.org

2. Price Chart

Historical Price (Probability)

Outcome probability
Date

3. Market Data

Contract Snapshot

This market resolves to "Yes" if the specified party's candidate wins the Oklahoma Governor election, and "No" if they do not. The market outcome is solely determined by the winning party of the election, with a maximum payout date set for November 3, 2027.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
Republican party $0.93 $0.09 91%
Cyndi Munson $0.09 $0.92 9%

Market Discussion

Republican Mike Mazzei, endorsed by Donald Trump, won the gubernatorial primary runoff on August 25, 2026 [1][2][3][4][5][6]. He will face Democratic State Representative Cyndi Munson in the general election scheduled for November 3, 2026 [1][3][4][7][8]. Current Governor Kevin Stitt is term-limited and did not run for re-election [9][7][5], with prediction markets generally favoring Mazzei to win due to the state's Republican voter base [10][11].

Sources (11)
  1. 1Trump-backed Mike Mazzei wins the GOP nomination in the Oklahoma governor’s racenbcnews.com
  2. 2Mazzei defeats Drummond by 2K votes in OK governor's runofftulsaworld.com
  3. 3As Voters Back Political Newcomers, Mazzei Secures GOP Nomination for Governor - Oklahoma Watchoklahomawatch.org
  4. 4Mazzei emerges from primary runoff as Republican nominee, will face Munson in Novemberokcfox.com
  5. 5Oklahoma gubernatorial election, 2026 (August 25 Republican...ballotpedia.org
  6. 62026 Oklahoma Governor Live Election Results | DDHQnewsnation-votes.decisiondeskhq.com
  7. 7Oklahoma gubernatorial election, 2026 - Ballotpediaballotpedia.org
  8. 82026 Oklahoma Governor Live Election Results | DDHQvotes.decisiondeskhq.com
  9. 9Kevin Stitt - Ballotpediaballotpedia.org
  10. 10Oklahoma Governor winner? Odds & Predictions 2026kalshi.com
  11. 11https://polymarket.com/event/oklahoma-governor-winner-2026polymarket.com

4. Trust Index

Octagon Trust Index Kalshi 80 Good
How it adds up
Integrity80% of score85Strong
Trade quality20% of score61Caution

Includes the cost to trade: a $10,000 order can't be filled here because the order book is too thin.

Trust score80Good

Weighted blend with hard caps — a critically weak safety pillar, or a severe trading anomaly, caps the total regardless of the rest. Full methodology · About the Trust Index

Trust profile
Integrity4 screens run · 6 don't apply
Market integrity
86Strong

Outcome is hard to influence

No suspicious activity on any screen

Screened clean
Large tradesNo single trade dominates the tape. Clear
Thin-volume movesNo significant move Clear
Size patternsTrade sizes look organic. Clear
2 screens not run
Outcome control · doesn't apply to this market type
Thin-leg conviction · doesn't apply to this market type
Info fairness
80Good

Structural prior — no screens apply

No suspicious activity on any screen

Screened clean
Information exposureNo concentrated group can know the outcome materially early. Clear
4 screens not run
Move vs. catalyst · doesn't apply to this market type
Longshot repricing · doesn't apply to this market type
Pre-broadcast certainty · doesn't apply to this market type
Cross-venue timing · doesn't apply to this market type
Resolution quality
92Strong

Resolution mechanism is dependable

No suspicious activity on any screen

Resolution rules read: Clear

Liquidity
77Tradeable

Fills fine at modest size

2 contracts · worst first

Cyndi Munson59
Thin · low confidence

Light recent trading — size may not fill near the screen price.

Mike Mazzei85
Deep · low confidence

Light recent trading — size may not fill near the screen price.

Book spread 2% vs realized 0%
Move quality
70Stable

No significant moves

2 contracts · worst first

Mike Mazzei—
No significant move (24h)

Price was stable over the last 24 hours.

Cyndi Munson—
No significant move (24h)

Price was stable over the last 24 hours.

Rule clarity
100Clear

Counts toward Resolution quality, not here

2 contracts · worst first

Mike Mazzei100
Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Cyndi Munson100
Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Trade quality
61Caution

Order book is thin

Tradable, but expect execution cost beyond small sizes.

Outcome quality 78 (notional-weighted across 2 scored legs)

$100 order: 0.9c slippage (~11% of a 8c contract)

$1,000 order: 2.5c slippage (~31% of a 8c contract)

$10,000 order: book too thin to fill

Mike Mazzei85Market scoreLiquidity85Move quality–Rule clarity100
Why 85
Liquidity
85 · Deep · low confidence

Light recent trading — size may not fill near the screen price.

Book spread 2% vs realized 0%
Move quality
No significant move (24h)

Price was stable over the last 24 hours.

Rule clarity
100 · Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear
Cyndi Munson59Market scoreLiquidity59Move quality–Rule clarity100
Why 59
Liquidity
59 · Thin · low confidence

Light recent trading — size may not fill near the screen price.

Move quality
No significant move (24h)

Price was stable over the last 24 hours.

Rule clarity
100 · Clear · high confidence

All checks pass

objective outcome · Clearofficial source · Cleartime boundary · Clear

underwriting_v1.4 · computed Sep 26, 2026

5. How do Mike Mazzei's and Cyndi Munson's platforms compare on key issues for Oklahoma voters ahead of the November 2026 election?

Republican CandidateMike Mazzei (former state senator) [1]
Democratic CandidateCyndi Munson (House Minority Leader) [2][3][4]
Election PredictionMike Mazzei (likely winner as of September 9, 2026, Decision Desk HQ) [5][6][7]
The November 2026 Oklahoma gubernatorial election will feature Republican nominee Mike Mazzei and Democratic nominee Cyndi Munson, presenting contrasting platforms for the state. Mazzei's campaign centers on economic initiatives, including lowering costs, tax reform, and reducing government expansion [1]. In contrast, Munson prioritizes investment in public education, reducing healthcare expenses, and overturning the state's abortion ban [8][9].
Candidates detail differing approaches to economic policy and social issues. Former state senator Mike Mazzei emphasizes "fixing what's broken" through responsible management for families and businesses, along with tax reform [1]. His specific proposals include eliminating the state's property tax, promoting a pro-growth economy with lower income taxes and less regulations, and prohibiting foreign governments and companies from owning Oklahoma land [4][7]. Cyndi Munson, currently the House Minority Leader, secured the Democratic nomination after the June 16, 2026, primary [2][3][4]. Her platform focuses on investing in public schools, increasing teacher pay, lowering healthcare costs, and repealing Oklahoma's abortion ban [8][9].
Forecasts heavily favor Republican nominee Mike Mazzei for victory. Given Oklahoma's solidly Republican electoral environment, prediction markets heavily favor Mike Mazzei [5]. As of September 9, 2026, Decision Desk HQ forecasts him as the likely winner of the November 2026 election [6][7].
Sources (9)
  1. 1Mike Mazzei for Governor of Oklahoma | Republican Nomineemikeforok.com
  2. 2Oklahoma gubernatorial election, 2026 - Ballotpediaballotpedia.org
  3. 3Cyndi Munson - Ballotpediaballotpedia.org
  4. 4Oklahoma gubernatorial election, 2026 (August 25 Republican primary runoff) - Ballotpediaballotpedia.org
  5. 5https://polymarket.com/event/oklahoma-governor-winner-2026polymarket.com
  6. 62026 Oklahoma Governor Forecast | DDHQvotes.decisiondeskhq.com
  7. 7Gentner Drummond (R) and Mike Mazzei (R) campaign on experience and Trump support in the August 25 Republican runoff for Oklahoma governor - Ballotpedia Newsnews.ballotpedia.org
  8. 8Is a win a win among Oklahoma's divided GOP electorate? Mike...oklahomavoice.com
  9. 9Cyndi Munson for Oklahomacyndimunson.com

6. What do historical voting patterns and party registration trends in Oklahoma suggest for the 2026 Republican vs. Democrat gubernatorial matchup?

Republican Voter Registration53.7% (as of mid-2026) [1][2][3]
Republican Win Probability93% to 98.5% (as of September 2026) [4][5][6][7]
Consecutive Republican Gubernatorial WinsLast five elections [1][8]
Republican candidate highly favored in 2026 Oklahoma gubernatorial election. Election forecasts and prediction markets, as of September 2026, project a significant likelihood of a Republican victory, assigning the Republican candidate a win probability ranging from 93% to 98.5% [4][5][6][7]. This strong outlook is supported by mid-2026 voter registration data, which shows Republicans comprising approximately 53.7% of registered voters, considerably more than Democrats at 25.1% and Independents/others at 20.2% [1][2][3]. The open-seat race is scheduled for November 3, 2026, featuring Republican nominee Mike Mazzei and Democratic nominee Cyndi Munson [4][5][6][8][9][10].
Oklahoma's political landscape shows a strong, consistent Republican advantage. Mike Mazzei secured the Republican nomination by winning the primary runoff on August 25, 2026, with 50.3% of the vote against Gentner Drummond [10][11]. The state has consistently shifted towards the Republican Party, evidenced by the GOP's control of every statewide office since 2010 and their victories in the past five gubernatorial elections by substantial margins [1][8].
Sources (11)
  1. 1Oklahoma voter registration shows strong Republican advantage in...journalrecord.com
  2. 2OK Voter Data: Registration by Party, Turnout & Primary Rulesindependentvoterproject.org
  3. 3FOX 25 digs into voter registration numbers heading into primary...okcfox.com
  4. 4https://polymarket.com/event/oklahoma-governor-winner-2026polymarket.com
  5. 52026 Oklahoma Governor Forecast | Election Odds & Latest Pollspollsmax.com
  6. 6Will a Republican Win the Oklahoma Governor Election?lines.com
  7. 7Polls, prediction markets and Oklahoma politics: What you need to...kosu.org
  8. 8Oklahoma gubernatorial election, 2026 - Ballotpediaballotpedia.org
  9. 9Oklahoma state executive official elections, 2026 - Ballotpediaballotpedia.org
  10. 10Oklahoma gubernatorial election, 2026 (August 25 Republican...ballotpedia.org
  11. 112026 Oklahoma Governor Live Election Results | DDHQintegration-votes.decisiondeskhq.com

7. What do the latest campaign finance reports reveal about the fundraising capabilities of Mike Mazzei and Cyndi Munson for the general election?

Mazzei Self-Fundingover $11.9 million in personal loans (as of late August 2026) [1][2]
Mazzei Donor Funding (Post-Primary)over $1.54 million (in two months following June 16 primary) [1][2]
Mazzei Win Probability97% (Decision Desk HQ, as of September 1, 2026) [3][4]
Mike Mazzei demonstrates substantial fundraising capabilities, significantly bolstered by self-funding. The Republican nominee reported over $11.9 million in personal loans as of late August 2026, serving as his primary funding source [1][2]. In addition to these self-contributions, Mazzei successfully raised over $1.54 million from donors during the two-month period following the June 16 primary [1][2]. The 2026 race overall has seen unprecedented levels of self-funding, with candidates collectively contributing $22 million of their own money to their primary campaigns [5][6].
Cyndi Munson's fundraising details are less prominent, while predictions favor Mazzei. Specific 2026 general election fundraising figures for Democratic nominee Cyndi Munson were not extensively highlighted in recent reports, though she advanced to the general election after winning her primary [2][5][6]. Prediction markets consistently favor a Republican victory in the general election, with probabilities for a GOP win hovering around 93-96% following Mazzei's primary runoff success [7][8][9]. As of September 1, 2026, Decision Desk HQ forecasts Mike Mazzei as the clear favorite with a 97% win probability, while Cyndi Munson is given a 3% win probability [3][4].
Sources (9)
  1. 1Oklahoma Republicans raise millions ahead of key runoff electionskosu.org
  2. 2Trump-endorsed Mike Mazzei wins GOP nomination for Oklahoma...pbs.org
  3. 32026 Oklahoma Governor Markets | DDHQintegration-votes.decisiondeskhq.com
  4. 42026 Oklahoma Governor Forecast | DDHQintegration-votes.decisiondeskhq.com
  5. 5Oklahoma gubernatorial election, 2026 (August 25 Republican primary runoff) - Ballotpediaballotpedia.org
  6. 6Gentner Drummond (R) and Mike Mazzei (R) campaign on experience and Trump support in the August 25 Republican runoff for Oklahoma governor - Ballotpedia Newsnews.ballotpedia.org
  7. 7https://polymarket.com/event/oklahoma-governor-winner-2026polymarket.com
  8. 8Oklahoma Governor winner? Odds & Predictions 2026 - Kalshikalshi.com
  9. 92026 Oklahoma Governor Election: Polls & Odds - Prediction Edgepredictionedge.com

8. What public polling data is available for the 2026 Oklahoma gubernatorial matchup between Mike Mazzei and Cyndi Munson?

Mike Mazzei Primary Win Percentage50.3% (August 25, 2026) [1][2][3]
Decision Desk HQ Mazzei Win Probability97% (September 9, 2026) [4]
Prediction Market Republican Win Probability94-96% (early September 2026) [5][6][7]
Direct public polling for the 2026 Oklahoma gubernatorial race is currently unavailable. Specific head-to-head public polling data between Republican Mike Mazzei and Democratic Cyndi Munson for the election scheduled for November 3, 2026, is not presently available [4][5][8][7]. Mike Mazzei and Cyndi Munson are confirmed as the candidates [1][2]. Mazzei secured the Republican nomination on August 25, 2026, by winning the primary runoff against Gentner Drummond with 50.3% of the vote [1][2][3].
Despite no direct polls, forecasts strongly favor the Republican candidate. Various forecasts and prediction markets heavily indicate a Republican victory in the absence of direct general election polling. As of early September 2026, prediction markets like Polymarket and Kalshi show an implied probability of 94% to 96% for a Republican win [5][6][7]. Additionally, Decision Desk HQ's forecast on September 9, 2026, assigned Mike Mazzei a 97% win probability, with Cyndi Munson at 3% [4]. The race is widely regarded as safe or solid Republican, which aligns with Oklahoma's established partisan leanings [5][8][7].
Sources (8)
  1. 1Trump-endorsed Mike Mazzei wins GOP nomination for Oklahoma...pbs.org
  2. 2Who won Oklahoma's Governor runoff election? - News9.comnews9.com
  3. 3Oklahoma gubernatorial election, 2026 (August 25 Republican...ballotpedia.org
  4. 42026 Oklahoma Governor Forecast | DDHQvotes.decisiondeskhq.com
  5. 5https://polymarket.com/event/oklahoma-governor-winner-2026polymarket.com
  6. 6https://polymarket.copilot.markets/event/oklahoma-governor-winner-2026polymarket.copilot.markets
  7. 7Oklahoma Governor Election Winner Odds - Republican 94¢predictionhunt.com
  8. 8https://polymarket.com/event/oklahoma-governor-winner-2026/will-the-democrats-win-the-oklahoma-governor-race-in-2026polymarket.com

9. What is Cyndi Munson's potential path to victory in the 2026 election, and what level of crossover voter support would be required?

Republican Win Probability (Prediction Markets)96% (September 9, 2026) [1]
Cyndi Munson Win Probability (Decision Desk HQ)3% (September 9, 2026) [2]
Projected General Election MarginR+27 (Decision Desk HQ) [2]
Cyndi Munson faces a highly challenging path to Oklahoma gubernatorial victory. Analysts indicate that a Democratic candidate's competitiveness would require extraordinary circumstances not currently present, such as a national Democratic wave, significant Republican "self-destruction" through scandal or conviction, and unprecedented voter turnout shifts [3]. These necessary conditions are not observed in the current political landscape [3].
Oklahoma's current political environment strongly favors Republican candidates in 2026. Prediction markets, as of September 9, 2026, assign a 96% probability to the Republican candidate winning the 2026 Oklahoma gubernatorial election, reflecting the state's deeply Republican leanings [1]. Cyndi Munson secured the Democratic nomination for Governor, winning the June 16, 2026, primary with 74.93% of the vote [4]. She will face Republican Mike Mazzei, who won his primary runoff on August 25, 2026 [5].
Achieving victory necessitates unprecedented crossover voter support for Cyndi Munson. The general election forecast by Decision Desk HQ on September 9, 2026, projects a very low 3% probability of victory for Munson, compared to 97% for Republican candidate Mike Mazzei, with a projected margin of R+27 [2]. This significant projected margin, coupled with the state's structural conditions, implies that Munson's path to victory would require historically unprecedented levels of crossover support from Republican and independent voters in a state with a strong Republican partisan baseline [6].
Sources (6)
  1. 1https://polymarket.com/event/oklahoma-governor-winner-2026polymarket.com
  2. 22026 Oklahoma Governor Markets | DDHQvotes.decisiondeskhq.com
  3. 3Will a Republican Win the Oklahoma Governor Election?lines.com
  4. 4Dem Cyndi Munson looks toward Oklahoma gubernatorial electionkoco.com
  5. 5Oklahoma gubernatorial election, 2026 - Ballotpediaballotpedia.org
  6. 62026 Oklahoma Governor Forecast | DDHQintegration-votes.decisiondeskhq.com

10. What Could Change the Odds

Key Catalysts

Mike Mazzei, a Tulsa businessman and former state senator, won the Republican nomination for Oklahoma governor following the August 25, 2026, runoff election, where he defeated Attorney General Gentner Drummond by approximately 2,000 votes [1][2][3][4] with 50.3% of the vote [5][6]. The general election, scheduled for November 3, 2026, will feature Republican nominee Mike Mazzei and Democratic nominee Cyndi Munson, along with three independent candidates: Robert Brooks, Orlando Lynn Bush, and Jerry Griffin [1][3][4][7][8].
Incumbent Republican Governor Kevin Stitt is term-limited and ineligible to seek re-election in 2026, having served the maximum of eight years allowed under the Oklahoma Constitution [2][9][10][11]. As of September 9, 2026, the winner of the 2026 Oklahoma gubernatorial election has not yet been determined [1][2][3][4]. Decision Desk HQ forecasts Mike Mazzei as the presumptive winner, with a 97% probability of winning against Democratic candidate Cyndi Munson in the general election on November 3, 2026, as of September 2026 [12].

Key Dates & Catalysts

  • Expiration: November 03, 2027
  • Closes: November 03, 2027
Sources (12)
  1. 1Mazzei emerges from primary runoff as Republican nominee, will face Munson in Novemberokcfox.com
  2. 2Trump-endorsed Mike Mazzei wins GOP nomination for Oklahoma governor | PBS Newspbs.org
  3. 3As Voters Back Political Newcomers, Mazzei Secures GOP Nomination for Governor - Oklahoma Watchoklahomawatch.org
  4. 4Mazzei defeats Drummond by 2K votes in OK governor's runofftulsaworld.com
  5. 52026 Oklahoma Governor Live Election Results | DDHQnewsnation-votes.decisiondeskhq.com
  6. 6Oklahoma gubernatorial election, 2026 (August 25 Republican...ballotpedia.org
  7. 7Oklahoma gubernatorial election, 2026 - Ballotpediaballotpedia.org
  8. 82026 election and voting dates - Ballotpediaballotpedia.org
  9. 92026 Oklahoma gubernatorial election - Wikipediaen.wikipedia.org
  10. 10Oklahoma Governor Term Limits: Eligibility and the 2026 Race - LegalClaritylegalclarity.org
  11. 11Kevin Stitt - Ballotpediaballotpedia.org
  12. 122026 Oklahoma Governor Forecast | DDHQintegration-votes.decisiondeskhq.com