Sports Edge Model — every game called, every call graded, in public

Pittsburgh Pirates at Cleveland Guardians

MLB · Saturday, July 18, 2026 · 8:25 PM · Final: 3-5

The model's call
Pittsburgh Pirates to win
Model confidence 50.0%
Books consensus 50.0%
Result Cleveland Guardians won model ✗
Identical on purpose: the model applies no adjustment to the books’ de-vigged consensus until a candidate signal proves itself in shadow audit — none has yet. Prediction markets below are a comparison, not an input.

Closing moneyline by book

The last price each book posted before first pitch — the prices this call could actually have been bet at. Best on each side is highlighted. In-game odds are deliberately excluded: once the game starts, the price tracks the score, not the matchup.

Book Pittsburgh PiratesCleveland Guardians
ESPN BET -115 -105

Prediction markets vs the books

Every venue sells the same thing — a dollar if that side wins — at a different price. Implied cost per venue below; amber = the cheapest way to buy that side at the close.

Venue Pittsburgh PiratesCleveland Guardians
Books consensus fair, de-vigged 50.0% 50.0%
Best book price incl. vig 53.5% 51.2%
Kalshi contract price 49.5% 50.5%
Polymarket contract price 49.5% 50.5%
Markets average 49.5% 50.5%

Contract prices exclude exchange trading fees (Kalshi ~1–2¢ midrange), which narrow small gaps. A venue meaningfully below the books consensus is either a bargain or an early opinion — the graded record decides which.

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