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

Kansas City Royals at Detroit Tigers

All Kansas City Royals predictions · All Detroit Tigers predictions

MLB · Saturday, July 25, 2026 · 1:11 PM · Final: 3-2

The model's call
Detroit Tigers to win
Model confidence 60.1%
Books consensus 60.1%
Result Kansas City Royals 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 Kansas City RoyalsDetroit Tigers
BetMGM +140 -165
BetRivers +140 -162
DraftKings +141 -171
ESPN BET +140 -165
Fanatics +145 -175
FanDuel +140 -166
Hard Rock Bet +140 -170
Caesars +148 -175

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 43.0% to cover · 8 books
Kansas City Royals covered +1.5
Total · closing
O/U 8
priced 48.9% over · 5 books, 3 on another number
Under 8 (5 scored)
Spread by book RoyalsTigers
BetMGM +1.5 -140 −1.5 +115
BetRivers +1.5 -165 −1.5 +135
DraftKings +1.5 -145 −1.5 +120
ESPN BET +1.5 -150 −1.5 +125
Fanatics +1.5 -145 −1.5 +120
FanDuel +1.5 -164 −1.5 +136
Hard Rock Bet +1.5 -155 −1.5 +125
Caesars +1.5 -135 −1.5 +115
Total by bookOverUnder
BetMGM 8 -102 8 -118
BetRivers 8 -106 8 -113
DraftKings 8 -105 8 -115
ESPN BET 7.5 -125 7.5 +105
Fanatics 7.5 -120 7.5 +100
FanDuel 8 -105 8 -115
Hard Rock Bet 7.5 -120 7.5 +100
Caesars 8 -105 8 -115

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 Kansas City RoyalsDetroit Tigers
Books consensus fair, de-vigged 39.9% 60.1%
Best book price incl. vig 40.3% 61.8%
Kalshi contract price 39.5% 60.5%
Polymarket contract price 40.5% 59.5%
Markets average 40.0% 60.0%

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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