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

St. Louis Cardinals at Colorado Rockies

All St. Louis Cardinals predictions · All Colorado Rockies predictions

MLB · Friday, September 4, 2026 · 8:41 PM · Final: 7-6

The model's call
St. Louis Cardinals to win
Model confidence 53.8%
Books consensus 53.8%
Result St. Louis Cardinals 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 St. Louis CardinalsColorado Rockies
BetMGM -130 +105
BetRivers -125 +110
DraftKings -133 +110
ESPN BET -120 +107
Fanatics -125 +105
FanDuel -126 +108
Hard Rock Bet -135 +110
Caesars -125 +115

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
Cardinals −1.5
priced 43.9% to cover · 8 books
Colorado Rockies covered +1.5
Total · closing
O/U 11
priced 50.0% over · 5 books, 3 on another number
opened 11.5
Over 11 (13 scored)
Spread by book CardinalsRockies
BetMGM −1.5 +120 +1.5 -145
BetRivers −1.5 +115 +1.5 -139
DraftKings −1.5 +114 +1.5 -137
ESPN BET −1.5 +120 +1.5 -145
Fanatics −1.5 +120 +1.5 -145
FanDuel −1.5 +118 +1.5 -142
Hard Rock Bet −1.5 +115 +1.5 -140
Caesars −1.5 +118 +1.5 -140
Total by bookOverUnder
BetMGM 11 -118 11 -102
BetRivers 11 -118 11 -103
DraftKings 11 -108 11 -112
ESPN BET 11.5 +110 11.5 -130
Fanatics 11 -105 11 -115
FanDuel 11.5 +104 11.5 -128
Hard Rock Bet 10.5 -130 10.5 +110
Caesars 11 -110 11 -110

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 St. Louis CardinalsColorado Rockies
Books consensus fair, de-vigged 53.8% 46.2%
Best book price incl. vig 54.5% 46.5%
Kalshi contract price 53.5% 46.5%
Polymarket contract price 53.5% 46.5%
Markets average 53.5% 46.5%

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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