Arizona Diamondbacks vs. St. Louis Cardinals

Platform comparison

Active sub-markets

Market context

The Arizona Diamondbacks face the St. Louis Cardinals in a Major League Baseball game scheduled for 7:45pm ET on 24 June at Chase Field, where the Diamondbacks must win to resolve the market as "Arizona Diamondbacks". Historical precedents for such 100% YES crowd-implied probabilities in baseball are rare, as even dominant teams frequently encounter slumps or injuries that disrupt outcomes; for instance, the Diamondbacks recently lost two straight games against the Cardinals before a dramatic 9-4 reversal on 23 June, highlighting how quickly form can shift in this league [2][4]. Traders should monitor the starting lineups for key absences, particularly Andrew Saalfrank, who remains sidelined with a shoulder injury until at least February 2027, and watch for pitching announcements regarding Matthew Liberatore, who is coming off his worst start of the year after allowing seven runs in just 1 2/3 innings [1][5]. Additionally, the Diamondbacks' batting performance against left-handed starters, where they hold a 273 average and 443 slugging percentage, will be a critical catalyst, alongside the poor recent form of both bullpens that could influence late-game dynamics [3]. The market's resolution hinges entirely on the official final statistics, with any postponement extending the settlement window until the game is completed, while a cancellation or tie would result in a 50-50 split [1].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Arizona Diamondbacks vs. St. Louis Cardinals across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Sport Prediction — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Sport Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Sport Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction triggers a quick verification flow that finishes in minutes.