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

Baltimore Orioles at Detroit Tigers

All Baltimore Orioles predictions · All Detroit Tigers predictions

MLB · Monday, July 27, 2026 · 6:40 PM · Final: 8-5

The model's call
Detroit Tigers to win
Model confidence 53.7%
Books consensus 53.7%
Result Baltimore Orioles won model ✗
Identical on purpose: the model applies no adjustment to the de-vigged consensus of the books and Novig, a no-cut exchange, until a candidate signal proves itself in shadow audit — none has yet. Kalshi and Polymarket 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 Baltimore OriolesDetroit Tigers
BetMGM +110 -130
BetRivers +100 -120
DraftKings +108 -130
ESPN BET +110 -130
Fanatics +105 -125
FanDuel +106 -124
Hard Rock Bet +100 -120
Caesars +110 -130

Spread & total

Not part of the model's call. Collected from every book and graded in public so the prices can be checked — how spreads and totals have graded so far. The percent is what the price itself implies, vig removed.

Spread · closing
Tigers −1.5
priced 37.0% to cover · 6 books, 2 on another number
Baltimore Orioles covered +1.5
Total · closing
O/U 8.5
priced 49.7% over · 8 books
Over 8.5 (13 scored)
Spread by book OriolesTigers
BetMGM +1.5 -190 −1.5 +155
BetRivers −1.5 +163 +1.5 -200
DraftKings +1.5 -194 −1.5 +159
ESPN BET +1.5 -200 −1.5 +165
Fanatics +1.5 -200 −1.5 +160
FanDuel +1.5 -194 −1.5 +158
Hard Rock Bet −1.5 +170 +1.5 -210
Caesars +1.5 -190 −1.5 +158
Total by bookOverUnder
BetMGM 8.5 -110 8.5 -110
BetRivers 8.5 +104 8.5 -127
DraftKings 8.5 -107 8.5 -112
ESPN BET 8.5 -110 8.5 -110
Fanatics 8.5 -105 8.5 -115
FanDuel 8.5 -110 8.5 -110
Hard Rock Bet 8.5 -105 8.5 -115
Caesars 8.5 -115 8.5 -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 Baltimore OriolesDetroit Tigers
Books consensus fair, de-vigged 46.3% 53.7%
Best book price incl. vig 47.6% 54.5%
Kalshi contract price 46.5% 53.5%
Polymarket contract price 46.5% 53.5%
Markets average 46.5% 53.5%

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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