Heisman Trophy Odds: The 26% The Board Cannot Pay
By Jake Hari
August 10, 2026
The Quick Answer
The Heisman odds on Kalshi open the 2026 season with CJ Carr at 12.5¢, Arch Manning at 11.5¢, and 27 more names underneath. Our seven-model AI panel, working price-blind, agrees with the market's favorites almost to the cent. Its real finding is the shape: after a revision round, the panel puts a combined 26.4% on winners the top of this board is not pricing, including 15.2% on someone not listed at all, an outcome no contract on the board can pay. The full field, the dead contract hiding in the longshots, and what a devy manager should actually take from this board are below.
Free: The Weekly PM Market Brief — the panel's graded record, the week's biggest market-vs-model gaps, and what is spiking next. One email, Sundays, from the signup box on this page.
The Market
Kalshi's Heisman market (about 5.1 million contracts traded across 29 active listings) settles on one sentence, quoted verbatim from the Will Hammond contract: "If Will Hammond wins the College Football Heisman Trophy in the 2026-2027 college football season, then the market resolves to Yes." The award is voted at season's end and announced at the December ceremony; the market's expected expiration is January 1, 2027.
Two structural notes before the numbers. First, this is a pure preseason market: no 2026 snap has been played, so every price is a prior. Second, there is no field contract. If the winner is not one of the 29 listed names, every contract on the board resolves No, and the board's mid prices already sum to about 101¢. Keep that in mind when the panel's field number comes up.
Timestamps: panel verdicts generated the evening of August 9, 2026, price-blind; prices are bid-ask midpoints as of August 9, 2026.
The Board
| Outcome | Kalshi | AI Blend (After Revision) |
|---|---|---|
| Anyone Not Listed At All | no contract | 15.2% |
| Any Other Listed Player (13 contracts) | ~14.5¢ combined | 11.2% |
| CJ Carr (Notre Dame) | 12.5¢ | 11.2% |
| Arch Manning (Texas) | 11.5¢ | 9.7% |
| Julian Sayin (Ohio St.) | 6.5¢ | 8.6% |
| Darian Mensah (Miami) | 7.5¢ | 7.3% |
| Trinidad Chambliss (Ole Miss) | 6.5¢ | 5.8% |
| Josh Hoover (Indiana) | 5.5¢ | 4.6% |
| Dante Moore (Oregon) | 5.5¢ | 4.0% |
| Jeremiah Smith (Ohio St.) | 3.5¢ | 4.0% |
| Sam Leavitt (LSU) | 4¢ | 3.9% |
| Gunner Stockton (Georgia) | 3.5¢ | 3.1% |
| John Mateer (Oklahoma) | 5¢ | 3.0% |
| Keelon Russell (Alabama) | 2.5¢ | 2.3% |
| Marcel Reed (Texas A&M) | 4¢ | 2.0% |
| Jayden Maiava (USC) | 3.5¢ | 1.7% |
| Will Hammond (Texas Tech) | 2.5¢ | 1.6% |
| Malachi Toney (Miami) | 2.5¢ | 1.0% |
More live boards from the same panel: MLB Rookie of the Year odds (JJ Wetherholt 61.5¢) · College football title odds (Ohio State 12.5¢) · The full markets hub
CJ Carr: A Favorite The Panel Agrees With, At A Price History Caps
The market says 12.5¢ and the panel says 11.2%, which for this format is agreement. Carr's case writes itself: 66.6% completions with 24 touchdowns against 6 interceptions as a redshirt freshman, and a Notre Dame schedule that functions as a Heisman stage, opening at Lambeau Field against Wisconsin on September 6 and hosting Miami on November 7. What caps him is not his profile but his category.
"The last three winners (Mendoza, Hunter, Daniels) were not August frontrunners, so the betting favorite historically converts under 20%." (Kimi K3)
That is the whole preseason problem in one sentence. Every seat wrote a version of it, and it is why the top of this board flattens instead of concentrating.
Arch Manning And Julian Sayin: The Platform Bets
Manning trades a cent behind Carr at 11.5¢, and the panel blends him at 9.7%. The seats respect the platform (Texas, a playoff roster, the biggest brand in the sport) but keep citing the same statistical hurdle: a 61.4% completion rate in 2025 that has to jump for the voting case to form. Sayin is the panel's one upgrade among the favorites, 8.6% against a 6.5¢ price, on the back of the best raw line in the group, 3,610 yards and 32 touchdowns. His discount is internal competition.
"Sayin (9%) has the best raw 2025 line yet shares narrative oxygen with Jeremiah Smith." (Claude Fable)
That cuts both ways: Smith at 3.5¢ drew 4.0% from the panel, the only non-quarterback it kept near the top, and the same Ohio State offense cannot make two Heisman cases at once.
The 26% The Board Cannot Pay
Add the panel's two aggregate rows and you get the piece's headline: 11.2% on the 13 listed longshots trading at a combined 14.5¢, and 15.2% on players not listed anywhere. That second number has no contract attached. On this board, "someone off the list wins" is not a bet you can make; it is a risk you silently hold in every Yes position, on a market already priced to 101¢.
The revision round is where this number earned its keep. Seats entered round one spread from 8% to 22% on the field, read each other's reasoning, and converged toward the middle from both directions. Claude Sonnet moved its field number from 8% to 18% with a stated reason:
"Preseason favorites deserve real but capped weight (~35% combined across Carr/Manning/Sayin) since three of the last four winners (Mendoza, Hunter, Daniels) were not clear August favorites." (Claude Sonnet)
While the seats that started high trimmed toward the panel:
"Preseason favorites as a group deserve roughly 40%." (Claude Fable, which cut its field number from 22% to 15%)
One more thing the longshot tail is hiding: Brendan Sorsby is still listed at 0.5¢. The NCAA ruled him permanently ineligible in June 2026 over sports betting, he dropped his legal challenge, and his college career is over. That contract is a structural No masquerading as a lottery ticket, and it is exactly why the fine print of a board deserves a read before the prices do.
The Devy Read: What This Board Is Actually For
If you play devy, dynasty, or college DFS, this board is a priced shortlist of who will carry slate-breaking volume this fall, built by people risking money on it. The top eight are seven quarterbacks and Jeremiah Smith, which tells you where the touches concentrate. The transfer stories the market is pricing are the ones your league mates may not have caught up to: Darian Mensah (7.5¢) took his 3,973-yard Duke season to Miami, the reigning national runner-up; Josh Hoover (5.5¢) inherits the defending champion Indiana offense that just produced a Heisman winner; Sam Leavitt (4¢) is the No. 1 portal quarterback landing at LSU. Our odds desk scored the same 29 contracts name-by-name in its own read of this board; this page is the projections-side companion. When the season starts, these same names headline CFB DFS slates, and the Stokastic Sims are where the weekly version of this exercise lives.
Dark Horses The Panel Won't Dismiss
- Trinidad Chambliss (Ole Miss, 6.5¢, blend 5.8%): the field's true dual-threat resume, 3,937 passing yards plus 527 rushing yards and 8 rushing scores in 2025, now without the coach who built that offense.
- Will Hammond (Texas Tech, 2.5¢, blend 1.6%): named QB1 in late July, pending final clearance from an October ACL tear, on a team coming off a College Football Playoff trip. The widest range of outcomes on the board.
- Keelon Russell (Alabama, 2.5¢, blend 2.3%): several seats kept him above his price tier on the Alabama platform alone.
- Malachi Toney (Miami, 2.5¢, blend 1.0%): the other non-quarterback the market lists near the top tier; the panel's discount is that his own quarterback, Mensah, is the board's fourth choice.
What Would Change The Panel's Mind
- August camp news. Depth charts are not final; a starter change or injury before kickoff re-prices this board more than any September game will.
- The Lambeau opener. Carr's September 6 stage against Wisconsin is the first chance for the favorite to either validate the price or hand the narrative to someone else.
- Transfer quarterbacks stumbling early. Mensah, Hoover, and Leavitt all carry new-offense risk; the panel's numbers on all three assume real adjustment time.
- A September nobody. The field number is a standing forecast that someone outside this list forces his way on; the panel pre-committed 15.2% to it, and every early-season breakout shrinks or vindicates that call.
Every Seat's Round-1 Number
The per-model split before the revision round. On a phone this table scrolls sideways; the board above carries the headline numbers, which average all seven seats' revised round-two estimates. Seven of the panel's eight seats ran this board.
| Outcome | Claude Fable | Claude Opus | Claude Sonnet | ChatGPT (GPT-5.5) | Kimi K3 | GLM 5.2 | DeepSeek V4 |
|---|---|---|---|---|---|---|---|
| Anyone Not Listed At All | 22% | 20% | 8% | 13% | 10% | 17% | 9% |
| Any Other Listed Player | 9% | 10% | 20% | 10% | 9% | 6% | 12% |
| CJ Carr | 10% | 10% | 12% | 11% | 15% | 12% | 9% |
| Arch Manning | 8% | 8% | 11% | 10% | 12% | 10% | 9% |
| Julian Sayin | 8% | 8% | 6% | 8% | 6% | 8% | 10% |
| Darian Mensah | 6% | 6% | 6% | 9% | 7% | 7% | 8% |
| Trinidad Chambliss | 6% | 5% | 6% | 6% | 6% | 7% | 6% |
| Josh Hoover | 5% | 5% | 4% | 5% | 5% | 4% | 5% |
| Dante Moore | 4% | 4% | 4% | 4% | 4% | 4% | 6% |
| Jeremiah Smith | 4% | 4% | 4% | 4% | 5% | 4% | 4% |
| Sam Leavitt | 4% | 4% | 4% | 4% | 4% | 4% | 4% |
| Gunner Stockton | 3% | 3% | 3% | 3% | 3% | 4% | 3% |
| John Mateer | 3% | 3% | 3% | 3% | 3% | 3% | 3% |
| Keelon Russell | 2% | 2% | 2% | 3% | 2% | 3% | 2% |
| Marcel Reed | 2% | 2% | 2% | 2% | 2% | 2% | 2% |
| Jayden Maiava | 2% | 2% | 2% | 2% | 2% | 1% | 2% |
| Will Hammond | 2% | 2% | 1% | 2% | 2% | 1% | 2% |
| Malachi Toney | 1% | 1% | 1% | 1% | 1% | 1% | 1% |
Every seat on this panel is graded against real market settlements — records to date: GPT 83% on 3,225 graded calls · Claude Fable 82% on 450 graded calls · Claude Opus 84% on 514 graded calls · Claude Sonnet 82% on 498 graded calls · GLM 81% on 2,307 graded calls · Kimi 83% on 2,285 graded calls · DeepSeek 80% on 2,332 graded calls. Recomputed daily; the full scoreboard is public.
These are model estimates, not predictions of fact and not financial or trading advice. Models are frequently wrong; the market price reflects real traders' money. Kalshi is a CFTC-regulated exchange; 18+, availability varies by state.
Every number in this piece gets graded in public at the December ceremony, on the same scoreboard as every other call the panel has made.
Settlement Timeline
- Late August 2026: the season kicks off; the board's first real information arrives within two weeks.
- September 6, 2026: Notre Dame vs. Wisconsin at Lambeau Field, the favorite's opening stage.
- December 2026: ceremony; the award is announced and every contract resolves Yes or No.
- January 1, 2027: listed market expiration on Kalshi.
- This page re-scores when the story moves; prices above are as of August 9, 2026.
The Bottom Line
The names at the top of this board are the right names, priced about where seven graded models independently land. The edge is in the shape: a market with no field contract is quietly asking Yes buyers to donate the 15% chance that 2026 repeats what the panel kept citing about the last three seasons and crowns a winner from outside the August favorites. Read the board for its devy signal, respect the favorites, and remember that on the panel's board the most probable single outcome is a name that is not listed at all. The full markets hub tracks this board's live prices alongside every other race we cover.