Wyndham Championship Winner Odds: The AI Model Verdict Vs. The Kalshi Market
The Wyndham Championship is the PGA Tour's regular-season finale, a weak-field week at a short Donald Ross course where a different name wins almost every year and the last eight champions are eight different players. Kalshi turned the 144-man field into a board of yes/no player contracts, one winner and everyone else a loser, and the crowd prices it exactly the way history says to: nobody is close to a favorite. We asked three AI models to score the whole board without letting any of them see a single price. They came back agreeing with the crowd on the big picture, an open tournament where the most likely outcome is "somebody other than the names you know", and disagreeing sharply on one contract in particular.
New to Kalshi event markets? Start here → how Kalshi's yes/no contracts work.
The Quick Answer
Kalshi makes Cameron Young the winner favorite near 9 cents, with Jackson Koivun (~5¢) and Hideki Matsuyama (~4.5¢) next, and then a long, flat tail where two dozen players sit between one and three cents. Our price-blind, three-model panel lands in the same wide-open place: it blends Young to about 8.5%, keeps every other individual under 5%, and hands roughly 44% of the probability to "The Field," any winner not among the 26 names the market prices up. The one place the panel breaks hard from the crowd is Aaron Rai, the 2024 Wyndham champion: the market has him at less than 3 cents, the panel blends him near 5%, the biggest positive gap on the board. The full model-by-model board, the rookie the panel fades, and the past champions hiding in the tail are all below.
Want the graded result? Every number in this piece gets scored in public once Kalshi settles the market on Sunday. The settled record for this board and every other Model Verdict lives on our full graded scoreboard. This page's prices refresh during the tournament week as the market moves.
The Market At A Glance
| Venue | Kalshi, a CFTC-regulated event-contract exchange (18+; availability varies by state, as of August 2026) |
| The Event | "Wyndham Championship Winner" (Kalshi event KXPGATOUR-WYC26), a yes/no contract for each player in the 144-man field, 150 contracts in all on Kalshi's board |
| The Contract | Each market resolves YES if that player wins the 2026 Wyndham Championship, 72-hole stroke play, a playoff decides ties |
| When | August 6 to 9, 2026, Sedgefield Country Club, Greensboro, North Carolina; Kalshi's expected settlement is August 9 |
| Prices Below As Of | August 4, 2026 (latest snapshot; prices on this page refresh as the market moves during tournament week) |
These are model estimates, not predictions of fact and not financial advice. Kalshi event contracts trade on a CFTC-regulated exchange; you must be 18 or older and in an eligible state to participate. Every number in this piece gets graded in public once the market settles, in the full graded Model Verdict scoreboard.
The Setup: The Most Wide-Open Week On Tour
Two facts about this event drive every number below, and both are structural, not opinion.
First, this is the regular-season finale. The top 70 in the FedExCup standings after Sunday advance to the playoffs; everyone outside 70 is done for the year. That splits the 144-player field into stars who are already safe and mostly skip Greensboro, and a large bloc of bubble players fighting for their season. The result is one of the weakest fields of the year, with no dominant name at the top.
Second, the course rewards a different skill than the game's biggest hitters own. Sedgefield Country Club plays as a par 70 at 7,131 yards and is the only Donald Ross design in the PGA Tour's regular rotation. Ross's risk-reward routing puts a premium on position, accuracy, and short game over raw distance, and it yields low scores; Young reached 22 under to win in 2025.
Put those together and you get a tournament that history says is truly open. Look at the last eight champions at Sedgefield: Cameron Young (2025), Aaron Rai (2024), Lucas Glover (2023), Tom Kim (2022), Kevin Kisner (2021), Jim Herman (2020), J.T. Poston (2019), and Brandt Snedeker (2018), per the tournament's past-champions record. That list has exactly zero repeat winners in eight years, and only Cameron Young among them arrives in 2026 as a market headliner. It is the single clearest reason no player, not even a strong favorite, should carry a large share of a 144-man board, and why the panel and the market both hand the biggest slice to "The Field."
What Anchors The Board
Three fetched facts define where the individual numbers land.
- Cameron Young Is The Defending Champion, And A Different Player Now. He won the 2025 Wyndham by six shots at 22 under for his first PGA Tour title, then kept climbing: Golf Channel reports he has since won the Cadillac Championship and THE PLAYERS and was an Open Championship runner-up. He arrives in form with a T8 at last week's Rocket Classic. That is why he is the clear market favorite, and the one short-priced name at the top of the board the panel still prices a touch above the crowd.
- Course History Sits In The Tail, Not The Top. Three players the market prices modestly have already won here. Aaron Rai won in 2024 and finished T5 in 2025, making his fifth-straight Wyndham start. Tom Kim won in 2022. J.T. Poston won in 2019. Ben Griffin, without a win here, has three finishes of T11 or better in four Sedgefield starts. Fit at this specific course is a real, fetchable edge, and it is scattered down the board rather than concentrated at the favorite.
- The Rookie Is Priced On A Thin Sample. Jackson Koivun, the market's second choice near 5 cents, tied for fifth here in 2025 as an amateur and added a T31 at the Rocket Classic. One strong amateur week at the course is a real data point, but it is a small one, and it is the main place the panel steps back from the crowd.
Here is the short version first, then every model's raw number.
The Board
Market prices are shown as Kalshi cents. The whole 150-contract board's prices sum to about 116 cents, so a "fair" percentage divides each price by that total to strip the exchange's overround; the model blend is the mean of the three seats.
| Outcome | Why it sits here | Market | Fair % | Model blend |
|---|---|---|---|---|
| The Field (Any Other Player) | ~118 unnamed players in a weak, wide-open finale | ~52¢ Combined | ~45% | ~44% |
| Cameron Young | In-form defending champ who now wins big events | ~9¢ | ~8% | 8.5% |
| Aaron Rai | 2024 Wyndham winner, T5 in 2025, accuracy fits Sedgefield | ~2.8¢ | ~2.4% | 4.8% |
| Hideki Matsuyama | T5 last week, boom-or-bust Sedgefield record | ~4.5¢ | ~4% | 3.8% |
| Ben Griffin | Steady here: three top-11s in four starts | ~3.3¢ | ~3% | 3.7% |
| Justin Thomas | Big name still seeking a 2026 win | ~3¢ | ~2.6% | 3.5% |
| Jackson Koivun | Rookie, T5 as an amateur in 2025, thin sample | ~5¢ | ~4.4% | 3.3% |
| Jordan Spieth | Recognizable name the panel bumps off the floor | ~1.3¢ | ~1.1% | 2.1% |
These are model estimates, not predictions of fact and not financial advice.
Every Seat's Number
Every player the market prices at roughly a penny or more is listed below, plus the combined "Field" line for everyone else. The Blend is the simple mean of the three seats. Fair % de-vigs the market price against the board's ~116-cent total; Lean is the blend minus that fair percentage, read as direction and size, not a precise edge.
| Player | Market | Fair % | Fable | Opus | Sonnet | Blend | Lean |
|---|---|---|---|---|---|---|---|
| The Field (Any Other Player) | ~52¢ | 45.2 | 32.6 | 46.8 | 53.5 | 44.3% | −0.9 |
| Cameron Young | ~9¢ | 7.8 | 9.0 | 8.5 | 8.0 | 8.5% | +0.7 |
| Aaron Rai | ~2.8¢ | 2.4 | 5.0 | 4.5 | 5.0 | 4.8% | +2.4 |
| Hideki Matsuyama | ~4.5¢ | 3.9 | 4.5 | 3.5 | 3.5 | 3.8% | −0.1 |
| Ben Griffin | ~3.3¢ | 2.8 | 4.0 | 4.0 | 3.0 | 3.7% | +0.9 |
| Justin Thomas | ~3¢ | 2.6 | 4.0 | 3.0 | 3.5 | 3.5% | +0.9 |
| Jackson Koivun | ~5¢ | 4.4 | 4.0 | 3.0 | 3.0 | 3.3% | −1.1 |
| Tom Kim | ~2.6¢ | 2.2 | 3.0 | 2.0 | 2.0 | 2.3% | +0.1 |
| Ryan Gerard | ~3.2¢ | 2.8 | 3.0 | 2.0 | 2.0 | 2.3% | −0.5 |
| Sungjae Im | ~2.2¢ | 1.9 | 3.0 | 2.5 | 1.5 | 2.3% | +0.4 |
| Jordan Spieth | ~1.3¢ | 1.1 | 2.5 | 1.8 | 2.0 | 2.1% | +1.0 |
| Keegan Bradley | ~1.9¢ | 1.6 | 2.5 | 2.0 | 1.0 | 1.8% | +0.2 |
| Harris English | ~2.1¢ | 1.8 | 2.0 | 2.0 | 1.0 | 1.7% | −0.1 |
| Maverick McNealy | ~1.8¢ | 1.5 | 2.0 | 1.8 | 1.0 | 1.6% | +0.1 |
| Brian Harman | ~1.5¢ | 1.3 | 2.0 | 1.5 | 1.0 | 1.5% | +0.2 |
| J.T. Poston | ~1.3¢ | 1.1 | 2.5 | 1.3 | 0.8 | 1.5% | +0.4 |
| Davis Thompson | ~1.8¢ | 1.5 | 2.0 | 1.3 | 1.0 | 1.4% | −0.1 |
| Keith Mitchell | ~1.3¢ | 1.1 | 1.5 | 1.2 | 0.8 | 1.2% | +0.1 |
| Alex Fitzpatrick | ~2.1¢ | 1.8 | 1.5 | 1.0 | 1.0 | 1.2% | −0.6 |
| Ryo Hisatsune | ~1.6¢ | 1.4 | 1.5 | 0.7 | 0.8 | 1.0% | −0.4 |
| Bud Cauley | ~1.5¢ | 1.3 | 1.5 | 1.0 | 0.6 | 1.0% | −0.3 |
| Matt Wallace | ~1.3¢ | 1.1 | 1.2 | 1.0 | 0.8 | 1.0% | −0.1 |
| Alex Smalley | ~1.3¢ | 1.1 | 1.2 | 0.8 | 0.6 | 0.9% | −0.2 |
| Doug Ghim | ~2.1¢ | 1.8 | 1.2 | 0.8 | 0.8 | 0.9% | −0.9 |
| Mac Meissner | ~1.7¢ | 1.5 | 1.0 | 0.7 | 0.6 | 0.8% | −0.7 |
| Jordan L. Smith | ~1.6¢ | 1.4 | 1.0 | 0.7 | 0.6 | 0.8% | −0.6 |
| Ben Kohles | ~1.7¢ | 1.5 | 0.8 | 0.6 | 0.6 | 0.7% | −0.8 |
These are model estimates, not predictions of fact and not financial advice. "The Field" is a real outcome here: it resolves YES if the winner is any player not individually named above, and on a weak-field board it is the single most likely result, which is the honest headline of this whole market.
A note on the panel. Our standard Model Verdict lineup runs eight seats. On this run five were unavailable: the ChatGPT and Gemini command-line seats are not installed on the machine that produced these verdicts, and the three routed seats (GLM, Kimi, DeepSeek) were down at generation time. This board therefore runs on three models: Claude Fable, Claude Opus, and Claude Sonnet. All three scored the field on August 4, 2026 without seeing any prices, working from a fetched, dated summary of the field, the course, and each contender's recent form and Sedgefield history. They then read one another's anonymized reasoning and revised. On a board this flat the revision round barely moved the individual numbers; the only real disagreement was over exactly how big "The Field" should be. Every model's number also lands in our back-tested Model Verdict ledger, where past price-blind calls are graded against settled results so the method is measured, not just asserted.
Cameron Young: The Only Favorite The Panel Endorses
Young is the one market favorite the panel lifts above its price, and only slightly, from about 8 cents fair to an 8.5% blend. The case is not complicated: he is the in-form defending champion, he won here by six shots a year ago, and he has since turned into a player who wins the Tour's biggest events. On a course and in a field this open, that combination is worth a small premium. The panel's larger disagreements with the market sit further down the board, on longer-priced names like Aaron Rai, but among the short-priced favorites Young is the only one it prices up.
In-form defending champ who now wins signature events, best individual talent in a weak field with a fitting six-shot Sedgefield blowout last year. — Opus
The ceiling on that endorsement is the field itself. As Fable put it, the same weak-field math that makes Young the pick also caps him.
Young is the in-form defending champion, but a 144-man weak-field event caps even him at single digits. — Fable
That is the whole shape of the favorite line: the best player in the field is still only a one-in-twelve shot, because eleven times out of twelve at Sedgefield, someone else wins.
Aaron Rai: The Panel's Sharpest Break From The Crowd
The largest gap on the board is not at the top. It is on Aaron Rai, whom the market prices below 3 cents and the panel blends near 5%, a roughly two-to-one disagreement, and all three seats agreed on it independently. The reasoning is course fit meeting course history. Rai is an elite accuracy player, exactly the profile a tight Donald Ross par 70 rewards, and he has the receipts here: he won this tournament in 2024 and finished T5 in 2025, and this is his fifth-straight Wyndham start. Where the market treats him as one interchangeable name in a two-cent tail, the panel treats a proven Sedgefield winner in fitting form as underpriced. Rai is the clearest actionable idea the models surface, and the one number on this page most worth watching into the weekend.
Fading The Rookie: Jackson Koivun
The flip side of the Rai call is Jackson Koivun. The market makes the rookie its second choice near 5 cents, largely on a single dazzling data point: a T5 at Sedgefield in 2025 while still an amateur. The panel respects it but discounts it, blending him to about 3.3%, below his market price and below several players the crowd prices lower. The logic is sample size. One excellent amateur week at a course is real signal, but it is thin, and a rookie has far less proven week-to-week ceiling than a Tour winner. The panel would rather own the field, or a past champion, than pay a top-of-board price for a single strong result.
Dark Horses The Panel Won't Dismiss
On a board where even the favorite is single digits, the dark horses are the whole point. These are the sub-3-cent names where at least one seat gave a number clearly above the market:
- Jordan Spieth (~1.3¢, ~2.1% Blend). The most recognizable name in the tail, and the one the panel lifts most in percentage terms. Every seat put him above his price on the bet that a former major champion in a weak field is worth more than a penny, even without a fetched course pedigree.
- Justin Thomas (~3¢, ~3.5% Blend). A multiple-time major winner still chasing his first 2026 title, priced like a mid-board name and bumped by the panel toward the top tier.
- J.T. Poston (~1.3¢, ~1.5% Blend). A past Wyndham champion (2019) hiding at the penny floor. Fable in particular flagged him at 2.5%, the kind of course-history name the market forgets in a big field.
- Ben Griffin (~3.3¢, ~3.7% Blend). Not a longshot by price, but a consensus small edge on the strength of three top-11 finishes in four Sedgefield starts, one of the steadiest course records in the field.
None of these is a bold call. Taken together they are the panel's real thesis: in a wide-open weak field, the value is spread across proven-here names in the tail, not piled onto the two or three players at the top.
The Traps: Where The Table Can Mislead
Transparency matters more than a clean story, so here is where these numbers would fool you.
- The Field Is The Finding, Not A Rounding Line. The single most likely outcome on this board is "none of the 26 named players." That is not a modeling artifact; it is what a weak 144-man field at a wide-open course actually looks like, and it is the honest answer to "who wins the Wyndham?" The three seats even split on its exact size, from Fable's 33% to Sonnet's 54%, which is the real uncertainty of the week rather than a bug.
- A Penny Price Is Not Zero. The floor names are not measured 0% chances. They are thin-market prices on players who would need a career week, and at a course that has produced Jim Herman and Arjun Atwal, a few of them are live in a way the price rounds away.
- The Board Is Thinly Traded. These player contracts show little or no posted volume, and several prices come from candlestick marks rather than a live two-sided book. Treat the exact cents as soft, and the small gaps between mid-board names as noise, not signal.
How To Read These Prices
The models can tell you where they part from the crowd, but the number in front of you still has to be read in context, especially on a board this flat.
Work an example. Say Cameron Young shows a 9-cent price. Taken at face value that implies about a 9% chance he wins. But this board's prices sum to roughly 116 cents, not 100, because the exchange builds in an overround across 150 contracts. To get a fair, spread-free read you divide each price by that 116-cent total, which pulls Young to about 8% and every other name down a touch. That is the number the panel's blend should actually be compared against, and it is why the "Fair %" column above, not the raw cents, is the honest yardstick. The habit of converting a posted price into its fair value before comparing anything is the whole idea behind turning Kalshi's cents into real odds.
A few honest points before reading too much into any number above:
- Eligibility. Kalshi is a CFTC-regulated event-contract exchange, not a sportsbook. You must be 18 or older and located in an eligible state, and availability varies by state and can change.
- Liquidity And Spread. This is a thinly traded outright board with 150 contracts. Most prices sit near the penny floor on candlestick marks, so getting in or out at your number is not always possible.
- A Moving Week. This is a live tournament that has not started. A withdrawal, weather, or the tee-time draw could change everything, and these estimates reflect only what was known on August 4, 2026. Prices shown on this page refresh as the market moves during tournament week.
- Not Advice. Everything here is analysis for information, not a recommendation to trade. These are model estimates, not predictions of fact and not financial advice.
The Bottom Line
The market and the models are looking at the same golf tournament and, for once, mostly agreeing: the Wyndham Championship is the most wide-open week on Tour, and the most likely winner is a name outside the short list. Kalshi makes Cameron Young a soft 9-cent favorite and scatters the rest across a flat, penny-deep tail; the panel blends Young to 8.5%, hands 44% to the field, and finds its one real edge on 2024 champion Aaron Rai, whom the crowd has left under 3 cents. The read to take is not that any single player is a lock, because at Sedgefield almost nobody is. It is that if you are going to back a name, the panel would rather own a proven Sedgefield winner in form than the rookie the market has second. If this method is your thing, our Rocket Classic model verdict ran the same price-blind panel over another wide-open Kalshi golf board. And if you are playing the same 144-man Wyndham field in DFS this week, Stokastic's PGA DFS Sims model every player in it.
Hottest Prediction Markets Right Now
- 2028 Democratic presidential nominee · $166M traded
- Rocket Classic Winner · $124M traded
- 2027 Pro Football Champion · $51M traded
- Pro Baseball Champion · $40M traded
- Bitcoin price at the end of 2026 · $30M traded
- 2027 Pro Basketball Champion · $19M traded
Every market above links to our full AI model verdict; browse them all on the Stokastic prediction markets hub, and see how every settled call actually scored on the full graded scoreboard.
Verdicts generated August 4, 2026. Prices as of August 4, 2026. Panel: Claude Fable, Claude Opus, and Claude Sonnet, price-blind, after one revision round. These are model estimates, not predictions of fact and not financial advice.
