Wyoming votes tomorrow, and the Wyoming governor primary odds have already made their call and are holding it. The day before the August 18, 2026 vote, Kalshi's market on the open Republican race (event KXGOVWYNOMR-26) has former House Speaker Eric Barlow at about 80¢, an implied chance near 80%, having eased back a couple of cents from about 82% (82¢) over the weekend. Trump-endorsed Superintendent Megan Degenfelder has ticked up to 18¢ on late money, and party-endorsed Brent Bien sits near 3¢ on a wide quote. This is the first open Wyoming governor's race in eight years, and the money is pricing something the endorsement headlines do not.
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The Quick Answer
Kalshi prices Eric Barlow at about 80¢ to win the Republican nomination for Wyoming governor, with Megan Degenfelder at ~18¢ and Brent Bien at ~3¢, on the eve of the August 18 primary. The story is not just that Barlow leads; it is who he leads. Degenfelder holds a "complete and total" Trump endorsement from August 4, and Bien holds the Wyoming Republican Party's own endorsement, yet the market prices both well behind a former Speaker running on his ground game. Barlow eased a couple of cents off his weekend 82¢ while Degenfelder picked up two on late endorsement-side buying: the kind of small settling you see on the eve of an election, not a board changing its mind. The full board, each candidate's policy lane, why the money is fading a Trump endorsement, and a plain-English guide to reading these prices are all below.
The Market At A Glance
A price in cents is the market's implied probability, so Barlow's 80¢ is roughly an 80% chance and Degenfelder's 18¢ about 18%. This article does not advocate for or against any candidate or party; it reads what an event market is pricing. Kalshi event contracts trade on a CFTC-regulated exchange, and you must be 18 or older and in an eligible state to participate.
| Venue | Kalshi |
| The Event | "Wyoming Republican Governor nominee?" (Kalshi event KXGOVWYNOMR-26), one yes/no contract per candidate |
| The Contract | Each market resolves YES if that candidate wins the Republican nomination for Wyoming governor in 2026; the nomination is decided by plurality at the August 18 primary, so exactly one contract resolves YES |
| The Board (As Of The Night Of August 17, 2026) | Eric Barlow 80¢ (quoted 79/80, last trade 80), eased from ~82¢ over the weekend · Megan Degenfelder 18¢ (quoted 18/19, last 18), up from the mid-teens · Brent Bien ~3¢ (quoted 3.1/5.0) · Chuck Gray under a penny · Harriet Hageman bid 0 |
| Depth | About 212,000 contracts lifetime across the event, roughly 32,600 of them in the last 24 hours. Barlow's own contract has traded about 88,200 with about 61,400 open interest — real, two-sided depth. Degenfelder's contract still carries the event's single largest lifetime volume, near 90,900 |
| Snapshot | Prices as of the night of August 17, 2026, the eve of the vote. This is analysis of live Kalshi prices, not our own forecast |
Where The Market Stands Going Into Tuesday
As of Monday night, August 17, hours before polls open, the board reads Barlow 80¢ (quoted 79/80, last trade 80), Degenfelder 18¢ (quoted 18/19), and Bien about 3¢. Two more contracts in the governor market barely register: Chuck Gray under a penny and Harriet Hageman bid at zero. Neither is even on the governor ballot — Gray is running for Wyoming's at-large U.S. House seat, and Hageman is the roughly 99¢ favorite in the separate Wyoming GOP Senate primary. Hageman's contract, quoted at fractions of a cent, is the market's way of saying her non-entry is final. The one candidate who might have frozen this field is priced out of the governor lane entirely.
Tuesday is a multi-state primary night, and Wyoming's is the governor board that still reads like a race. Florida votes the same day, and Kalshi's Florida governor primary board has Byron Donalds priced near 99¢, a coronation. Wyoming's 80/18 split is the genuine article: a heavy favorite, not a locked one.
The flip is the whole story, and on the eve of the vote it is holding. The board swung toward the former Speaker and away from the candidate carrying the Trump endorsement earlier in the race, and it has not un-swung: Barlow eased from 82¢ over the weekend to 80, and the only real late move ran the other way down-board, where Degenfelder ticked up from the mid-teens to 18¢ in the final day. Call it endorsement-side money arriving late, but two cents of it, not a repricing. It reads as a heavily traded board settling into its read, not reversing it. And it is not a thin market talking: Barlow's contract has turned over roughly 88,200 with about 61,400 in open interest, while Degenfelder's line still holds the event's largest lifetime volume near 90,900. Going into Tuesday, the money has settled on Barlow, with the caveat, spelled out below, that his lead leans heavily on a single internal poll.
What The Money Is Actually Pricing
Start with why this seat is open at all. Two-term Governor Mark Gordon is term-limited under Wyoming's eight-of-sixteen-years rule and is not seeking a third term. The one figure who might have cleared the field, Representative Harriet Hageman, chose the open U.S. Senate race that Cynthia Lummis is vacating instead. That left a true open primary, the first since 2018, the last time this seat was up for grabs.
Into that vacuum, the market has made a decision worth sitting with. In modern Republican primaries, a Trump endorsement is usually the single heaviest input a market weighs, and it typically drags a contract toward the 60s and 70s on its own. Here it is doing the opposite of dominating.
The one line that explains this boardan 80¢ favorite without the Trump endorsement, sitting ahead of a Trump-endorsed candidate at 18¢, means the money is reading Eric Barlow's in-state operation as heavier than Megan Degenfelder's national endorsement.
What is that operation? Barlow reported raising more than $1 million from roughly 2,000 in-state donors with about 2,500 volunteers enlisted, and in a race that has drawn about $3 million in total he has pulled in the most in-state donations, though Degenfelder (who has raised about $1.3 million to his $1.2 million) holds the single biggest war chest. The breadth matters as much as the total: 2,000 in-state donors is a turnout signal in a state where the entire Republican primary electorate is small, and turnout is what decides a low-participation August primary. That donor-and-volunteer base, plus his standing as a veteran state legislator who led the House as Speaker and later served in the state Senate, is what an 80¢ price is built on.
The final-day move is small, and small is the point. Barlow did not crater; he gave back a couple of cents off the weekend's 82¢ while Degenfelder picked up two on late endorsement-side buying. When a deep market makes only minor adjustments in the last 48 hours, it is usually a sign the crowd is comfortable with the read it already has, taking a little air out of a heavy favorite rather than rethinking the race. That is not proof Barlow wins, but it is a market holding a confident line into the vote, not one scrambling to reprice it.
Here is the honest counterweight before the candidate cases: the cleanest number pointing Barlow's way is his own campaign's poll, and internal polls exist to be favorable. Read the board with that asterisk attached.
The Board
| Candidate | Lane / signal | Kalshi price | Implied chance |
|---|---|---|---|
| Eric Barlow | Former House Speaker; most in-state donations; internal poll leader | 80¢ | ~80% |
| Megan Degenfelder | Superintendent; Trump + Hageman endorsement; biggest war chest | 18¢ | ~18% |
| Brent Bien | Retired Marine colonel; Wyoming GOP party endorsement; property-tax initiative | ~3¢ | ~3% |
Only the three contenders above carry a meaningful quoted price; Chuck Gray trades under a penny (he is running for Wyoming's U.S. House seat, not governor), and the fourth name on the certified Republican ballot, rodeo producer Curt Blake, is not separately quoted. The most interesting row is the second one. A Trump-endorsed candidate at 18¢ is the kind of price that looks like a mistake until you remember what a Wyoming primary actually rewards, which is exactly the tension the rest of this piece works through.
Eric Barlow: Why He Is The Market's Favorite
Barlow is the establishment-lane candidate the way the market usually rewards in a plurality primary, and his profile is unusually deep for a state this small. A Gillette rancher and large-animal veterinarian who grew up on his family's ranch in Campbell County, he is also a U.S. Marine Corps veteran, a former Speaker of the Wyoming House who most recently served in the state Senate, and generally viewed as the more moderate of the three leading Republicans. His signature issue is protecting public lands — he sponsored this year's "Wyoming public lands are not for sale" joint resolution and says he would use the governor's bully pulpit to defend them — a resonant theme in a state where federal land policy touches ranching, energy, and recreation all at once.
His case on the numbers is the $1 million from about 2,000 in-state donors, the 2,500 volunteers, and an internal poll from Pulse Decision Science, released in late July with 400 likely primary voters and a 4.9-point margin of error, that put him at 42% to Degenfelder's 19 and Bien's 14, with 22% undecided. Treat that topline carefully: it is a campaign-commissioned poll and both rival camps publicly questioned it. But even discounted, a 42-19 internal lead paired with the broadest donor base in the field is a coherent story for why the market has him near 80¢, and the market's willingness to hold him there into the vote suggests it believes the shape of that poll more than its exact margin.
The risk in Barlow's price is the same thing that defines it. At 80¢ there is still not much room left; a buyer is paying 80 cents to make 20, so the market has already priced in almost everything that makes him the favorite. If the Trump endorsement moves late-deciders the way it often does, or the undecided fifth of the electorate breaks toward the most-conservative lane, an 80¢ favorite is exactly the kind of price that can slip, and it already gave back a couple of cents off its weekend high into the vote.
Megan Degenfelder: The Trump-Endorsed Underdog
This is the price that makes the board worth reading. Degenfelder is the sitting Superintendent of Public Instruction, has an energy-sector background, and secured a Trump "complete and total" endorsement on August 4 that Trump reinforced with recorded video messages and a telephone town hall, and Hageman endorsed her back in March as well. She also holds the single largest war chest in the race. On paper, that is a front-runner's résumé. Kalshi has her at 18¢, and hers is the one line on the board that made a real move up in the final day.
Her campaign is, by her own framing, largely built on that Trump endorsement, and she runs to the right of Barlow on the culture issues that animate a primary base: she opposes abortion exceptions, calling the fight "spiritual warfare," supports statewide restrictions on sexually explicit material in taxpayer-funded libraries, and would set strict conditions on data-center development rather than court it. The path for her 18¢ to be right runs through turnout: if the endorsement drives the most motivated Trump voters to the polls in a low-turnout primary, and the undecideds she is fighting Barlow for break her way, a national endorsement can still overwhelm a state-level operation. Where does 18¢ come from, exactly? It is the late-money version of that turnout case: her contract printed in the mid-teens over the weekend, then ticked up to an 18/19 quote in the final hours: a couple of cents of buyers deciding the endorsement scenario deserved a bit more respect than the board was giving it. And it rode light volume, only about 5,000 contracts traded on her line in the last 24 hours against Barlow's roughly 21,300, so nobody paid up enough to threaten the favorite. It amounts to a repricing at the margin, not a wave.
Why the market fades it anyway is the flip side of Barlow's case. Wyoming primaries reward the candidate the in-state party infrastructure and donor base already know, and Barlow has spent more than a decade building exactly that. The endorsement is real and it is heavy, but the market is betting that in this particular state, a former Speaker's ground game outweighs a phone call from Washington. That is a genuine, money-backed disagreement with the endorsement narrative, not a stale quote nobody bothered to update — and the roughly 90,900 contracts that have changed hands on Degenfelder's own line say plenty of traders have looked hard at the endorsement and still marked her down.
Brent Bien: The Party-Endorsed Longshot
Bien is the sharpest illustration of how little the market trusts endorsements to convert here. A retired Marine colonel, combat aviator, and engineer from Cody who ran against Gordon in 2022, he won the Wyoming Republican Party's own endorsement (a 34-4 vote among party leadership, a break from its recent practice of staying out of contested primaries) and is the driving force behind a property-tax exemption ballot initiative headed to voters in November, certified for the ballot with more than 30,000 valid signatures. As the most-conservative, zero-exceptions candidate in the field, he trades near 3¢, on a quote so wide (roughly 3¢ bid against a 5¢ ask) that the market is barely bothering to price him precisely.
That price is the market saying a state-party endorsement and a signature ballot issue are not, by themselves, votes. Bien polled 14% in Barlow's internal survey, real support but a distant third, and without the fundraising breadth of Barlow or the national endorsement of Degenfelder, the market sees his most-committed-base appeal capped well short of a plurality win. The wide eve-of-vote quote says something too: so few traders want either side of his line at this point that a small burst of real buying would move it fast, and none has come. His property-tax initiative may well matter more for the November ballot than for his own August primary, and a 3¢ contract is the market's blunt read that his lane, however loud, is narrow.
The Case The Market Could Be Wrong
An 80¢ favorite priced against a Trump endorsement is exactly the board where you should stress-test the price, so here is where the money could be misreading this race:
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The Internal Poll Is Doing A Lot Of Work. The single cleanest data point for Barlow's lead is a poll his own campaign commissioned and released. If the true race is tighter than 42-19, the market's confidence in the final stretch is overbuilt, and a Trump endorsement plus a 22% undecided bloc is enough to close a smaller gap.
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Trump Endorsements Convert Late. In plurality primaries with a motivated base, a national endorsement often peels late-deciders in the closing days. If that dynamic shows up on August 18, Degenfelder's 18¢ is far too cheap, and her final-day tick up from the mid-teens is a small, live sign of exactly that money starting to arrive. This is the scenario a disciplined skeptic keeps open.
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A Plurality Winner Needs Less Than You Think. With three real contenders and a fifth of the electorate undecided, the nominee could win with something in the low-40% range, and Barlow's own internal poll had him at exactly 42%. That makes turnout composition, not any candidate's majority, the whole game, and a two- or three-point swing among the most-conservative bloc can move the result.
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The Party Endorsement Is Not Nothing. Bien's organized activist base is precisely the kind of turnout signal public and internal polling can undercount. At about 3¢ the market has all but written him off; his quote is so wide on the eve of the vote that almost nobody is trading him at all. If his volunteers show up disproportionately, that price is the one with the most room to be wrong.
How To Read These Prices
The market can tell you where the crowd's money sits, but the number in front of you still has to be understood in context. Here is how to read a board like this one. Start with what an 80¢ favorite actually asks of you this late: at that price a buyer is paying 80 cents to make 20, so almost all of Barlow's story is already in the number, and the only edge left is a view on the one thing the market may be underweighting — whether a Trump endorsement peels late-deciders in a low-turnout Wyoming primary the way it often does elsewhere.
Work an example. Say Barlow's contract last traded at 80¢, Degenfelder's at 18, and Bien's at 3. Taken at face value those imply about an 80% chance for Barlow, 18% for Degenfelder, and 3% for Bien. To get a fair, spread-free read you normalize the whole field so every candidate's price sums to 100. Here Barlow (80) plus Degenfelder (18) plus Bien (3) sums to 101, because independent last-trade prices across a multi-outcome market rarely settle at exactly 100. You trim each proportionally to strip out that one-cent overround, which lands you near 79% Barlow, 18% Degenfelder, and 3% Bien. That is also why you read Degenfelder's 18/19 quote toward its middle rather than at either edge: the fair number lives inside the spread. The discipline is the same on any board — always check what a fair version of a price looks like before leaning on it, which is the whole idea behind converting Kalshi's cents into real odds.
One honest note on where this race actually lives: it trades on Kalshi, not on OddsShopper's odds screen or its sports-side tools, which cover the sports slate rather than election futures, so read it as a prediction market rather than a bet slip. If you want the sports side, our free expert picks are there. The Wyoming board's overround habit travels well, though: the same normalize-and-compare read applies to our Maine Senate model verdict, our 2026 Senate election odds breakdown, and our midterms balance-of-power read.
A few honest points before reading too much into any number above:
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Eligibility. Kalshi is a CFTC-regulated event-contract exchange, not a sportsbook. You must be 18 or older and in an eligible state, and availability varies by state and can change.
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Liquidity And Spread. The Barlow and Degenfelder contracts are the two-sided ones here; Bien and the rest are thin, so expect any fill to depend on the spread at the moment you act, and spreads widen around news.
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A Moving Story. This race settles at the August 18 primary, and these prices reflect only what is known before polls close. A price one day out is not a result.
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Not Advice. Everything here is analysis for information, not a recommendation to trade or to vote.
Settlement Timeline
| Settlement | Resolves when the Republican nominee for Wyoming governor is decided at the August 18, 2026 primary |
| Next Catalysts | Polls close and results report the night of August 18, 2026; the nominee then faces Democrat Kenneth Casner in the November 3, 2026 general election for the open seat, with the Republican the heavy favorite in a deep-red state |
| Where The Board Sits Now | As of the night of August 17, 2026, the eve of the vote: Barlow ~80¢ (79/80) / Degenfelder ~18¢ (18/19) / Bien ~3¢, a market pricing a former Speaker's donor-and-volunteer base ahead of a Trump-endorsed superintendent |
The Bottom Line
The Wyoming governor primary odds tell a cleaner story than the endorsement headlines do. Kalshi has former House Speaker Eric Barlow at about 80¢ on the eve of the vote, and he got there and stayed there, giving back only a couple of cents off his weekend high rather than cracking. The candidate the national headlines favor, Trump-endorsed superintendent Megan Degenfelder, ticked up to 18¢ on late money, and the party-endorsed Brent Bien sits at a still-distant 3¢. What the money is pricing is a bet that in a small, low-turnout, open Wyoming primary, a former Speaker's $1 million from 2,000 in-state donors and 2,500 volunteers outweighs a "complete and total" Trump endorsement, an unusual thing for a market to say and the reason this board is worth reading. None of this is settled: the strongest evidence for his lead is a single campaign-commissioned poll, and it all settles the same night the polls close on August 18. If this kind of read is your thing, our Maine Senate model verdict and our guide to Kalshi versus Polymarket are the natural next reads, and every market family we track lives on the prediction markets hub.
Prices on this page are Kalshi's book. If you also trade on Polymarket, code OS4 gets new users a $50 trading bonus on a $10 deposit — affiliate link; terms as stated by Polymarket; 18+, availability varies by state.
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