Would you bet…
St. Louis Cardinals vs. Chicago Cubs Predictions
A YES share pays out if this happens and NO pays out if it doesn’t — so the 83% price is just the market’s implied chance of YES. How YES/NO contracts work →
- Platform
- Polymarket
- Volume
- $422,381 volume
- Resolves
- 12 Jul 2026
- Updated
- 6 days ago
The market is pricing this matchup as strongly favored, with the Cardinals at 83% and the Cubs at 17%. That’s a split that leaves almost no edge to either side—a rational response to two division rivals meeting on a holiday with both teams’ recent form and injury status roughly equivalent from a betting standpoint. Volume sits at $422k, which is modest for a holiday game but reflects the tightness of the line.
in recent trading has held, suggesting the market hasn’t yet absorbed new information that would shift the needle decisively. The kind of data that would move this further: late-breaking injuries, bullpen availability, or weather updates closer to the 8:08 PM ET start. Pitching matchups matter here, and any news on starter availability or performance trends would likely push the price toward one side or the other.
At strongly favored, this reads as genuine uncertainty. The market is honest about that. Take the price as a snapshot of what’s known right now, not as a prediction—and watch for the details that matter: who’s actually healthy, who’s throwing, and what the weather does between now and first pitch.
FAQ
What does a 83% price mean?
It is the market-implied probability. A 83% YES price means traders collectively judge the event about 83% likely.
How does this market resolve?
In the upcoming MLB game between the St. Louis Cardinals and Chicago Cubs, scheduled for July 4 at 8:08PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game. This market will resolve to "Chicago Cubs" if the Chicago Cubs win the game. If the game is post
Where can I trade it?
This market is listed on Polymarket. Prediction markets carry real financial risk and may not be available in every state.
Is this the same as sports betting?
Legally it’s event-contract trading on a regulated exchange, not a sportsbook bet — though the experience is similar. Read our prediction markets vs sports betting explainer.
Can I trade sports where betting is illegal?
Often yes, because these are federally regulated contracts — but sports is restricted in some states, so always check your state first.
Best platforms for sports?
Kalshi has the broadest catalog; DraftKings and FanDuel are strong for sports-first traders. See our reviews.
What is a prediction market?
A prediction market lets you trade contracts on whether a real-world event will happen. The live price moves with supply and demand and reads as the implied probability. Read more →
How do the odds work?
Every price between 1¢ and 99¢ is the implied chance of YES. A contract settles at $1 if it resolves yes and $0 if it does not. Read more →
Prediction market contracts carry real financial risk and can resolve to zero. 18+.
Before you trade
Read our independent reviews of the platforms behind these markets.