Pittsburgh Pirates at Chicago Cubs
All Pittsburgh Pirates predictions · All Chicago Cubs predictions
MLB · Sunday, September 13, 2026 · 2:21 PM
The model's call
Chicago Cubs to win
Model confidence 56.6%
Books consensus 56.6%
Identical on purpose: the model applies no adjustment to the books’ de-vigged
consensus until a candidate signal proves itself in shadow audit — none has yet.
Prediction markets below are a comparison, not an input.
Line shop — latest moneyline by book
Best available price on each side is highlighted. Prices move; always confirm at the book.
| Book | Pittsburgh Pirates | Chicago Cubs |
|---|---|---|
| DraftKings | +123 | -149 |
| ESPN BET | +120 | -140 |
| Fanatics | +120 | -145 |
| FanDuel | +122 | -144 |
| Hard Rock Bet | +120 | -145 |
| Caesars | +122 | -145 |
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 right now.
| Venue | Pittsburgh Pirates | Chicago Cubs |
|---|---|---|
| Books consensus fair, de-vigged | 43.4% | 56.6% |
| Best book price incl. vig | 44.8% | 58.3% |
| Kalshi contract price | 41.8% | 58.2% |
| Polymarket contract price | 42.5% | 57.5% |
| Markets average | 42.1% | 57.9% |
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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