St. Louis Cardinals vs. Milwaukee Brewers

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Active sub-markets

Market context

The St. Louis Cardinals face the Milwaukee Brewers on 25 May at 2:10 PM ET in a regular-season National League Central matchup. The current crowd-implied probability of 35% for a Cardinals victory reflects modest confidence in Milwaukee's chances, though both franchises remain competitive within their division. Settlement occurs on 1 June at 18:10 UTC, allowing for weather delays or rescheduling within the standard MLB window.

Historical matchups between these clubs show relatively balanced outcomes over recent seasons, with neither team establishing decisive dominance in head-to-head play. The Cardinals' win probability at 35% sits below their typical seasonal performance levels, suggesting the market has priced in specific contextual factors—likely roster availability, recent form, or pitching matchups. Comparable division contests in May typically see probabilities shift 5–10 percentage points based on injury reports or bullpen depth, so the current spread leaves room for adjustment as game day approaches.

Traders should monitor roster updates through 24 May, particularly regarding starting pitcher confirmation and any late-inning relief availability for either side. Recent weather forecasts for the scheduled venue and any last-minute lineup changes could trigger probability shifts. USDC settlement mechanics on btc-prediction.bet remain standard for sports outcomes, with no leverage or funding-rate dynamics affecting this contract's value relative to broader crypto market movements.

Methodology

Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

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.

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.