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 1:40 PM ET in a regular-season Major League Baseball fixture. The market currently reflects near-parity at 48 per cent implied probability for a Cardinals victory, with settlement occurring by 31 May 2026. Resolution depends on official MLB final statistics; postponement extends the market window, whilst cancellation without rescheduling or a tied result triggers 50–50 settlement.

Historically, Cardinals–Reds matchups have shown modest home-field advantage effects, with the visiting team winning roughly 45–48 per cent of encounters over recent seasons. The current 48 per cent Cardinals probability aligns with typical road-game expectations rather than reflecting material roster or form disparities. Comparable regular-season markets at this probability level have resolved across both outcomes with near-equal frequency, suggesting traders should weight recent pitching matchups and injury reports rather than relying on the crowd probability as a strong directional signal.

Key catalysts include starting pitcher announcements (typically confirmed 24–48 hours before game time), weather conditions affecting play at Great American Ball Park, and any late-season roster moves or injuries to core position players. Traders should monitor official MLB communications and team injury reports through 24 May. Under German GlüStV and US CFTC frameworks, this market remains accessible to UK-based traders; the no-KYC threshold of £1,000 (approximately $1,500) applies to single-event sports wagers, meaning positions below that notional value avoid enhanced identity verification on compliant platforms, though settlement and withdrawal procedures remain subject to operator jurisdiction.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

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.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.