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

San Francisco Giants at St. Louis Cardinals

All San Francisco Giants predictions · All St. Louis Cardinals predictions

MLB · Monday, September 14, 2026 · 7:46 PM · Final: 1-2

The model's call
St. Louis Cardinals to win
Model confidence 58.1%
Books consensus 58.1%
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 San Francisco GiantsSt. Louis Cardinals
BetMGM +125 -155
BetRivers +143 -175
DraftKings +130 -157
ESPN BET +130 -150
Fanatics +130 -155
FanDuel +124 -146
Hard Rock Bet +125 -150
Caesars +130 -160

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 39.8% to cover · 8 books
San Francisco Giants covered +1.5
Total · closing
O/U 7.5
priced 52.6% over · 4 books, 4 on another number
opened 8
Under 7.5 (3 scored)
Spread by book GiantsCardinals
BetMGM +1.5 -170 −1.5 +140
BetRivers +1.5 -152 −1.5 +125
DraftKings +1.5 -167 −1.5 +138
ESPN BET +1.5 -175 −1.5 +145
Fanatics +1.5 -170 −1.5 +140
FanDuel +1.5 -176 −1.5 +146
Hard Rock Bet +1.5 -175 −1.5 +145
Caesars +1.5 -165 −1.5 +135
Total by bookOverUnder
BetMGM 8 -105 8 -115
BetRivers 8 -112 8 -129
DraftKings 8 -104 8 -116
ESPN BET 7.5 -120 7.5 +100
Fanatics 8 -110 8 -110
FanDuel 7.5 -120 7.5 -102
Hard Rock Bet 7.5 -125 7.5 +105
Caesars 7.5 -124 7.5 +104

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 San Francisco GiantsSt. Louis Cardinals
Books consensus fair, de-vigged 41.9% 58.1%
Best book price incl. vig 41.2% 59.3%
Kalshi contract price 41.5% 58.5%
Polymarket contract price 42.5% 57.5%
Markets average 42.0% 58.0%

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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