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

St. Louis Cardinals at San Francisco Giants

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

MLB · Monday, September 7, 2026 · 8:11 PM · Final: 4-5

The model's call
San Francisco Giants to win
Model confidence 54.7%
Books consensus 54.7%
Result San Francisco Giants 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 CardinalsSan Francisco Giants
BetMGM +110 -135
BetRivers +108 -130
DraftKings +112 -135
ESPN BET +113 -128
Fanatics +110 -130
FanDuel +112 -132
Hard Rock Bet +110 -135
Caesars +117 -127

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
Giants −1.5
priced 36.7% to cover · 8 books
St. Louis Cardinals covered +1.5
Total · closing
O/U 8
priced 51.1% over · 5 books, 3 on another number
opened 7.5
Over 8 (9 scored)
Spread by book CardinalsGiants
BetMGM +1.5 -190 −1.5 +155
BetRivers +1.5 -200 −1.5 +160
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 -192 −1.5 +158
Hard Rock Bet +1.5 -195 −1.5 +160
Caesars +1.5 -195 −1.5 +162
Total by bookOverUnder
BetMGM 8 -115 8 -105
BetRivers 8 -117 8 -122
DraftKings 8 -112 8 -108
ESPN BET 8.5 +105 8.5 -125
Fanatics 8 -115 8 -105
FanDuel 7.5 -138 7.5 +112
Hard Rock Bet 8.5 +105 8.5 -125
Caesars 8 -120 8 +100

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 CardinalsSan Francisco Giants
Books consensus fair, de-vigged 45.3% 54.7%
Best book price incl. vig 46.1% 55.9%
Kalshi contract price 45.5% 54.5%
Polymarket contract price 45.5% 54.5%
Markets average 45.5% 54.5%

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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