The Market
| Venue | Kalshi, a CFTC-regulated exchange for event contracts (18+; availability varies by state, as of July 2026) |
| The contract | Resolves YES if New York wins the 2026 AL East per MLB's official final standings; settles around November 1 |
| Price | Yankees 51¢ as of July 29, 2026 (Rays trade at 44¢, Red Sox 7¢ on the same board) |
| Protocol | 8 AI models, price-blind, each given the live division standings fetched from MLB StatsAPI: records, games back, run differentials, streaks, last-10, games remaining |
The Quick Answer
The Yankees sit 1.5 games behind the Rays with 55 to play, and Kalshi prices them at 51¢ to win the AL East. Our eight-model panel, working price-blind from the live standings, blends New York at 54%, essentially agreeing with the crowd, but for a specific reason: the run differential gap (+89 for New York, +39 for Tampa Bay) says the trailing team is the stronger one. The full board, and the one seat that leans the other way, is below.
The Race the Standings Actually Show
Three numbers frame this market. The Rays lead at 62-44. The Yankees are 1.5 back at 61-46 and have won 7 of their last 10. And the run differentials are not close: New York is +89, Tampa Bay +39. Over a full season, a gap that size usually means the second-place team has been the better club and the standings just have not caught up yet.
Free: The Weekly PM Market Brief — the 8-model panel's graded record, the week's biggest market-vs-model gaps, and what's spiking next. One email, Sundays. One email, Sundays — the signup box is at the bottom of this page, or just keep reading: the record it promises is on this one.
Boston is the complication the board prices at 7¢: the Red Sox sit 7 games back at 55-51 with a +47 run differential of their own, close enough to punish both leaders if either stumbles through August. Below them the division is done: Baltimore is 11 back, Toronto 14.
One thing the panel could not see, by design: the July 31 trade deadline lands two days after these verdicts were generated, and any moves are not in the numbers yet.
The Panel: Round One, Then a Revision Round
Each model gave an independent first take from the standings card, then read the other seven's anonymized reasoning and could revise or hold. The headline blend uses the revision-round numbers.
Market: 51¢ · Panel blend after revision: 54% (round one: 52%).
| Model | P(Yankees), round 1 | After revision | The driver |
|---|---|---|---|
| ChatGPT (GPT-5.5) | 55% | 55% | Much stronger run differential than Tampa Bay |
| Claude Fable | 52% | 50% | The Pythagorean favorite despite trailing |
| Claude Opus | 48% | 48% | Coin flip with Boston as a live third party |
| Claude Sonnet | 42% | 53% | Stronger underlying team, but they still trail |
| Gemini 3.1 Pro | 48% | 52% | Underlying performance signals a closed gap |
| GLM 5.2 | 52% | 52% | Massive run-differential edge |
| Kimi K3 | 60% | 60% | Better underlying team, slight favorites |
| DeepSeek V4 | 58% | 58% | Stronger true talent |
Every seat on this panel is graded against real market settlements — records to date: GPT 83% on 1,693 graded calls · Claude Fable 85% on 331 graded calls · Claude Opus 86% on 382 graded calls · Claude Sonnet 84% on 363 graded calls · Gemini 85% on 1,718 graded calls · GLM 80% on 1,874 graded calls · Kimi 84% on 1,863 graded calls · DeepSeek 80% on 1,877 graded calls. Recomputed daily; the full scoreboard is public.
Model estimates, not predictions of fact and not financial or trading advice. Models are frequently wrong; the market price reflects real traders' money.
What the Panel Is Actually Saying
Nearly every seat centers the same mechanism, each framing it its own way:
"Yankees trail by only 1.5 games with 55 left and hold a far superior run differential (+89 vs Rays' +39), making them the Pythagorean favorite despite trailing." (Claude Fable)
"Yankees trail Tampa Bay by only 1.5 games with a far superior run differential (+89 vs +39), making them roughly a coin-flip with Boston as a live third party." (Claude Opus)
The round-one low seat was Claude Sonnet at 42%, and its logic was the honest counterweight: run differential says who SHOULD be ahead, but the Rays are the team actually holding the lead, and a 1.5-game head start with 55 to play is still a head start. The round-one spread between 42% and 60% on the same fetched numbers is a real disagreement about how much Pythagorean records matter over two months.
What the Revision Round Changed
The sharpest self-correction came from the round-one low seat. Claude Sonnet opened at 42%, read the panel, and moved to 53%:
"Peers correctly flagged that my round-1 number (0.42) was inconsistent with my own rationale — if run differential marks Yankees as the stronger true-talent team, a mere 1.5-game gap with 55 left shouldn't put them under 50%; I'm correcting that internal inconsistency rather than conforming to the group mean." (Claude Sonnet, revision note)
Claude Fable nudged down two points to 50%, carving out "~4-5% for the Red Sox" after a peer flagged Boston as "a non-trivial third claimant" (.519, +47 run differential, 7 back), and Gemini 3.1 Pro moved up to 52% after working the run-differential projection through. The rest held with stated reasons, leaving all eight seats between 48% and 60%.
Where That Leaves the Market
The crowd says 51¢, the panel says 54%: near-agreement reached independently, which is what a fairly priced market should produce. The more interesting read is the board's shape: if the panel's run-differential logic is right, the Rays at 44¢ are the side carrying the standings' optimism and the Yankees' price already reflects the underlying edge. This market settles with the final standings around November 1, and every verdict above gets graded on our public scoreboard.
Model estimates generated July 29, 2026, price-blind, from a fetched MLB StatsAPI standings card; prices as of July 29, 2026. 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.
Related Verdicts
Prices on this page are Kalshi's book. If you also trade on Polymarket, code OS4 gets new users a $20 bonus on a $10 deposit — affiliate link; terms as stated by Polymarket; 18+, availability varies by state.
