Would you bet…
St. Louis Cardinals vs. Arizona Diamondbacks Predictions
A YES share pays out if this happens and NO pays out if it doesn’t — so the 77% price is just the market’s implied chance of YES. How YES/NO contracts work →
- Platform
- Polymarket
- Volume
- $844,409 volume
- Resolves
- 25 Jul 2026
- Updated
- 3 months ago
The market is pricing this matchup as strongly favored, with 77% backing the Cardinals and 23% favoring Arizona. That near-even split reflects genuine uncertainty—these are division rivals meeting in late July, and neither team has established such a clear edge that the market can confidently separate them. $844k in total volume suggests moderate interest, typical for a single regular-season game.
Movement data in recent trading, so there’s no clear directional signal from recent trading action. What would shift this price? Injury news to either team’s starter, late lineup changes, or weather at the ballpark could move it. Sharper bets on bullpen depth or matchup-specific splits (lefty-righty advantages, team performance in night games) would also register. For now the market is essentially saying: flip a coin, and the small difference between 77% and 23% is mostly noise.
This resolves 25 July 2026 and trades on Polymarket. If the game is postponed, the market stays live; if canceled with no makeup, it settles 50-50.
FAQ
What does a 77% price mean?
It is the market-implied probability. A 77% YES price means traders collectively judge the event about 77% likely.
How does this market resolve?
In the upcoming MLB game between the St. Louis Cardinals and Arizona Diamondbacks, scheduled for July 17 at 9:40PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game. This market will resolve to "Arizona Diamondbacks" if the Arizona Diamondbacks win the g
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+.
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Read our independent reviews of the platforms behind these markets.