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

Chicago White Sox at Texas Rangers

MLB · Monday, July 20, 2026 · 8:08 PM · Final: 10-3

The model's call
Texas Rangers to win
Model confidence 60.4%
Books consensus 60.4%
Result Chicago White Sox 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.

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 Chicago White SoxTexas Rangers
Books consensus fair, de-vigged 39.6% 60.4%
Kalshi contract price 39.5% 61.5%
Polymarket contract price 38.5% 61.5%
Markets average 39.0% 61.5%

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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