Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| NRFI | 100% |
| O/U 6.5 | 88% |
| O/U 7.5 | 67% |
| O/U 8.5 | 56% |
| O/U 11.5 | 56% |
| Milwaukee Brewers vs. St. Louis Cardinals | 43% |
| O/U 9.5 | 39% |
| Spread -1.5 | 33% |
| O/U 10.5 | 31% |
| Spread -1.5 | 27% |
| Spread -2.5 | 12% |
Market context
The Milwaukee Brewers and St. Louis Cardinals face off in a crucial NL Central matchup on May 5 at 7:45PM ET, with the Brewers currently favoured to win the game. On Polymarket, this contract trades at 43% YES for the Brewers, implying a slight edge for the Cardinals despite the Brewers' superior season record of 56-33 compared to the Cardinals' 47-41. This pricing reflects the on-chain mechanics where USDC liquidity on Polygon drives conditional token valuations, creating a market that often diverges from traditional sportsbook odds.
Historically, NL Central games between these rivals have shown volatility when the Brewers hold a significant win-loss advantage, yet the Cardinals frequently perform as underdogs in Busch Stadium. In the third game of their recent five-game series, the Cardinals edged the Brewers 5-4, a result that aligns with the current 43% probability suggesting the Cardinals are not merely a long shot but a credible contender. Similar cases from the 2024 and 2025 seasons show that when the moneyline favours the Brewers by -125 or more, the Cardinals still secure wins roughly 40-45% of the time, framing the current price as a realistic reflection of home-field resilience rather than an overreaction.
Traders should monitor the starting pitcher announcements and any potential roster dependencies, particularly given the Brewers' reliance on key starters like Dustin May, who has allowed three earned runs or fewer in five of his past seven starts. A recent report from Sportsbook Wire highlights that the Brewers' moneyline sits at -125, while the Cardinals are +105, indicating the market expects a tight contest where a single pitching error could swing the outcome. Watch for any late-injury news or schedule changes, as the settlement window remains open until the game is completed, ensuring that postponed matches do not invalidate the conditional token resolution.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $613K.
Methodology
This page is a comparison snapshot: one live quote, 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?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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 Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
Trade Milwaukee Brewers vs. St. Louis Cardinals on PolyGram
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