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

Atlanta Braves at Chicago Cubs

All Atlanta Braves predictions · All Chicago Cubs predictions

MLB · Tuesday, September 15, 2026 · 7:40 PM · Final: 6-3

The model's call
Chicago Cubs to win
Model confidence 56.4%
Books consensus 56.4%
Result Atlanta Braves 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 Atlanta BravesChicago Cubs
BetMGM +118 -145
BetRivers +120 -148
DraftKings +120 -144
ESPN BET +120 -140
Fanatics +120 -145
FanDuel +118 -138
Hard Rock Bet +120 -140
Caesars +122 -145

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
Cubs −1.5
priced 39.1% to cover · 7 books
Atlanta Braves covered +1.5
Total · closing
O/U 8.5
priced 50.0% over · 8 books
Over 8.5 (9 scored)
Spread by book BravesCubs
BetRivers +1.5 -180 −1.5 +145
DraftKings +1.5 -172 −1.5 +142
ESPN BET +1.5 -175 −1.5 +145
Fanatics +1.5 -180 −1.5 +145
FanDuel +1.5 -182 −1.5 +150
Hard Rock Bet +1.5 -175 −1.5 +145
Caesars +1.5 -165 −1.5 +140
Total by bookOverUnder
BetMGM 8.5 -110 8.5 -110
BetRivers 8.5 -104 8.5 -117
DraftKings 8.5 -110 8.5 -110
ESPN BET 8.5 -110 8.5 -110
Fanatics 8.5 -110 8.5 -110
FanDuel 8.5 -110 8.5 -110
Hard Rock Bet 8.5 -110 8.5 -110
Caesars 8.5 -115 8.5 -105

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 Atlanta BravesChicago Cubs
Books consensus fair, de-vigged 43.6% 56.4%
Best book price incl. vig 45.0% 58.0%
Kalshi contract price 43.5% 56.5%
Polymarket contract price 42.5% 57.5%
Markets average 43.0% 57.0%

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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