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

Arizona Diamondbacks at Cleveland Guardians

All Arizona Diamondbacks predictions · All Cleveland Guardians predictions

MLB · Sunday, August 2, 2026 · 1:42 PM · Final: 0-5

The model's call
Cleveland Guardians to win
Model confidence 62.7%
Books consensus 62.7%
Result Cleveland Guardians 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 Arizona DiamondbacksCleveland Guardians
BetMGM +155 -190
BetRivers +160 -182
DraftKings +157 -191
ESPN BET +155 -185
Fanatics +155 -190
FanDuel +174 -186
Hard Rock Bet +165 -175
Caesars +158 -190

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
Guardians −1.5
priced 44.1% to cover · 8 books
Cleveland Guardians covered −1.5
Total · closing
O/U 8
priced 48.0% over · 5 books, 3 on another number
Under 8 (5 scored)
Spread by book DiamondbacksGuardians
BetMGM +1.5 -140 −1.5 +115
BetRivers +1.5 -143 −1.5 +118
DraftKings +1.5 -137 −1.5 +114
ESPN BET +1.5 -145 −1.5 +120
Fanatics +1.5 -145 −1.5 +120
FanDuel +1.5 -134 −1.5 +112
Hard Rock Bet +1.5 -135 −1.5 +125
Caesars +1.5 -135 −1.5 +115
Total by bookOverUnder
BetMGM 8 +100 8 -120
BetRivers 8 +100 8 -118
DraftKings 8 -102 8 -118
ESPN BET 7.5 -110 7.5 -110
Fanatics 7.5 -115 7.5 -105
FanDuel 8 -105 8 -115
Hard Rock Bet 7.5 -110 7.5 +100
Caesars 8 +100 8 -120

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 Arizona DiamondbacksCleveland Guardians
Books consensus fair, de-vigged 37.3% 62.7%
Best book price incl. vig 36.5% 63.6%
Kalshi contract price 37.5% 62.5%
Polymarket contract price 37.5% 62.5%
Markets average 37.5% 62.5%

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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