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 National League Central divisional matchup. The crowd-implied probability of 48% for a Cardinals victory suggests near-parity, with the market pricing this as a coin-flip contest. This probability carries through to the settlement window closing on 31 May at 17:40 UTC, allowing for potential postponements within the standard MLB make-up window.

Historical divisional records between these clubs show volatility depending on roster composition and seasonal form. The Cardinals have alternated between competitive and rebuilding phases over recent seasons, whilst Cincinnati has similarly experienced fluctuating win rates. When these teams meet in May, early-season pitching depth and bullpen availability often diverge from preseason projections, making single-game outcomes less predictable than season-long trends suggest. The 48% probability reflects genuine uncertainty rather than a clear favourite emerging from recent head-to-head or seasonal performance data.

Traders should monitor starting pitcher announcements, which typically arrive 24–48 hours before game time. Injury updates to key position players or relief arms could shift the probability meaningfully, particularly if either team's primary starter is unavailable. Weather conditions at the scheduled 1:40 PM ET start time may also influence play style and scoring patterns. Recent roster moves or trades affecting either club's depth chart warrant attention, as May games often feature players still settling into their roles for the season.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.

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 does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.