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 30% price is just the market’s implied chance of YES. How YES/NO contracts work →
- Platform
- Polymarket
- Volume
- $323,860 volume
- Resolves
- 26 Jul 2026
- Updated
- 3 months ago
Cardinals backers are an underdog, priced at 30%. The market has held in recent trading, with $324k in total volume. At this level, the crowd is giving Arizona the edge—a view that will hold unless St. Louis’ pitching or lineup shows unexpected strength entering game time on 26 July 2026.
The price reflects Arizona’s positioning as the favored side. To move 30% higher, you’d need either injury news affecting Arizona’s rotation, a notable Cardinals lineup advantage at the plate, or weather factors that favor St. Louis’ style. Conversely, 70% would firm up on any sign that Arizona’s bats are hot or their starter is fresh off a strong outing.
This resolves straightforwardly: Cardinals win or Diamondbacks win, though postponement keeps the market alive until completion and cancellation splits the pot. At 30%, the market is pricing in a real but minority case for St. Louis. Watch the pitching matchup and recent offensive trends closer to first pitch on Polymarket.
FAQ
What does a 30% price mean?
It is the market-implied probability. A 30% YES price means traders collectively judge the event about 30% likely.
How does this market resolve?
In the upcoming MLB game between the St. Louis Cardinals and Arizona Diamondbacks, scheduled for July 19 at 4:10PM 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+.
Before you trade
Read our independent reviews of the platforms behind these markets.