St. Louis Cardinals vs. Milwaukee Brewers

Platform comparison

Active sub-markets

Market context

The St. Louis Cardinals travel to Milwaukee for a daytime fixture against the Brewers on 25 May, with the crowd assigning the Cardinals a 34 per cent win probability. This implies the Brewers are favoured at roughly 66 per cent, positioning St. Louis as a clear underdog despite playing in a divisional matchup where recent form often matters more than season-long records.

The Cardinals and Brewers have traded dominance in the NL Central over recent seasons, with Milwaukee holding the stronger recent record in head-to-head play. However, daytime games—particularly those scheduled for early afternoon—have historically favoured teams with deeper bullpen depth and fewer travel fatigue complications. St. Louis's roster composition has shifted considerably since the 2023 off-season, and how that translates to performance against division rivals remains partially unpriced into the current 34 per cent reading. The Brewers' consistency in May fixtures across the past three seasons suggests they perform reliably in this window, though injuries to key position players can swing these probabilities sharply.

Traders should monitor starting pitcher announcements, which typically arrive 24 hours before first pitch. Recent Milwaukee roster updates and any late-breaking injury reports from the Cardinals' camp could shift the implied probability meaningfully. The settlement window extends to 1 June, allowing for postponement coverage; however, games between these clubs rarely face weather delays in late May. Current consensus heavily favours Milwaukee, leaving potential value for contrarian positions if St. Louis's recent offensive metrics show improvement or if the Cardinals' selected starter carries strong recent performance data.

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

Where can I trade this market with the lowest fees?

On PolyGram, 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?

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.

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.

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.