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

Minnesota Twins at Chicago Cubs

All Minnesota Twins predictions · All Chicago Cubs predictions

MLB · Saturday, July 18, 2026 · 2:21 PM · Final: 2-6

The model's call
Chicago Cubs to win
Model confidence 58.9%
Books consensus 58.9%
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 Minnesota TwinsChicago Cubs
ESPN BET +125 -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 · 1 book
Chicago Cubs covered −1.5
Total · closing
O/U 8.5
priced 50.0% over · 1 book
Under 8.5 (8 scored)
Spread by book TwinsCubs
ESPN BET +1.5 -175 −1.5 +145
Total by bookOverUnder
ESPN BET 8.5 -110 8.5 -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 Minnesota TwinsChicago Cubs
Books consensus fair, de-vigged 41.1% 58.9%
Best book price incl. vig 44.4% 59.2%
Kalshi contract price 41.5% 58.5%
Polymarket contract price 41.5% 58.5%
Markets average 41.5% 58.5%

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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