St. Louis Cardinals vs. Cincinnati Reds

Platform comparison

Active sub-markets

Market context

The St. Louis Cardinals face the Cincinnati Reds on 24 May at 1:40PM ET in a National League Central divisional matchup. The current crowd-implied probability of 48% for a Cardinals victory reflects a near-even assessment, typical for regular-season games between competitive teams where neither holds a decisive edge in recent form or head-to-head record.

Historical matchups between these clubs show the Cardinals have maintained a slight advantage in recent seasons, though Cincinnati has proven capable of producing upset victories in their home stadium. The Reds' performance in May typically correlates with their early-season pitching depth and whether key relievers remain healthy; conversely, the Cardinals' mid-week performance often hinges on their ability to generate runs against left-handed starters. Comparable divisional games from the past three seasons have settled near 50-50 probability when neither team enters with a pronounced winning streak or injury crisis affecting their starting rotation.

Traders should monitor roster updates through 24 May, particularly confirmation of starting pitchers and any late-inning bullpen availability. Weather conditions at Great American Ball Park—temperature and wind direction—materially affect scoring outcomes in this venue. For programmatic approaches, conditional orders tied to starting pitcher announcements (typically confirmed 24 hours prior) allow for probability recalibration; similarly, tracking Cincinnati's recent performance against right-handed starters versus St. Louis's recent performance against left-handed pitching provides quantifiable inputs for model refinement ahead of settlement on 31 May.

Methodology

This page reviews St. Louis Cardinals vs. Cincinnati Reds 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 PolyGram — 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

Is this market available outside the US?

PolyGram 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.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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, PolyGram triggers a quick verification flow that finishes in minutes.