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 · Wednesday, September 16, 2026 · 7:41 PM · Final: 4-8

The model's call
Chicago Cubs to win
Model confidence 59.6%
Books consensus 59.6%
Result Chicago Cubs 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 +140 -170
BetRivers +130 -157
DraftKings +140 -170
ESPN BET +135 -155
Fanatics +140 -170
FanDuel +136 -162
Hard Rock Bet +135 -160
Caesars +140 -165

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 40.7% to cover · 7 books
Chicago Cubs covered −1.5
Total · closing
O/U 7.5
priced 49.5% over · 8 books
Over 7.5 (12 scored)
Spread by book BravesCubs
BetRivers +1.5 -159 −1.5 +128
DraftKings +1.5 -163 −1.5 +135
ESPN BET +1.5 -160 −1.5 +135
Fanatics +1.5 -170 −1.5 +140
FanDuel +1.5 -162 −1.5 +134
Hard Rock Bet +1.5 -165 −1.5 +140
Caesars +1.5 -165 −1.5 +140
Total by bookOverUnder
BetMGM 7.5 -105 7.5 -115
BetRivers 7.5 -113 7.5 -108
DraftKings 7.5 -105 7.5 -115
ESPN BET 7.5 -110 7.5 -110
Fanatics 7.5 -105 7.5 -115
FanDuel 7.5 -112 7.5 -108
Hard Rock Bet 7.5 -110 7.5 -110
Caesars 7.5 -105 7.5 -115

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 40.4% 59.6%
Best book price incl. vig 41.7% 60.8%
Kalshi contract price 40.5% 59.5%
Polymarket contract price 40.5% 59.5%
Markets average 40.5% 59.5%

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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