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

Detroit Tigers at Pittsburgh Pirates

MLB · Tuesday, August 18, 2026 · 6:41 PM

The model's call
Pittsburgh Pirates to win
Model confidence 55.6%
Books consensus 55.6%
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 Detroit TigersPittsburgh Pirates
BetMGM +115 -140
DraftKings +118 -142
ESPN BET +115 -135
Fanatics +115 -140
FanDuel +122 -144
Hard Rock Bet +120 -130
Caesars +120 -130

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 Detroit TigersPittsburgh Pirates
Books consensus fair, de-vigged 44.4% 55.6%
Best book price incl. vig 45.0% 56.5%
Kalshi contract price 44.5% 55.5%
Polymarket contract price 45.5% 54.5%
Markets average 45.0% 55.0%

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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