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

Seattle Mariners at New York Yankees

MLB · Wednesday, August 12, 2026 · 7:05 PM

The model's call
New York Yankees to win
Model confidence 53.2%
Books consensus 53.2%
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.

Line shop — latest moneyline by book

Best available price on each side is highlighted. Prices move; always confirm at the book.

Book Seattle MarinersNew York Yankees
BetMGM +105 -125
DraftKings +104 -126
ESPN BET +105 -125
FanDuel +100 -118
Hard Rock Bet +105 -115
Caesars +110 -121

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 right now.

Venue Seattle MarinersNew York Yankees
Books consensus fair, de-vigged 46.8% 53.2%
Best book price incl. vig 47.6% 53.5%
Kalshi contract price 47.0% 53.0%
Polymarket contract price 45.5% 54.5%
Markets average 46.3% 53.8%

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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