Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Prediction Market UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Prediction Market UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Prediction Market UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Prediction Market UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Prediction Market UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Prediction Market UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Prediction Market UK.
Active sub-markets
| 1st 5 Innings Spread -1.5 | 0% New York Mets | 100% St. Louis Cardinals |
| 1st 5 Innings O/U 4.5 | 100% Over | 0% Under |
| 1st 5 Innings Spread -2.5 | 0% New York Mets | 100% St. Louis Cardinals |
| 1st 5 Innings O/U 6.5 | 100% Over | 0% Under |
| Spread -1.5 | 0% New York Mets | 100% St. Louis Cardinals |
| O/U 9.5 | 0% Over | 100% Under |
Market context
On 11 June 2026, the St. Louis Cardinals will travel to face the New York Mets in an MLB regular-season game scheduled for 1:10 PM Eastern Time. In prediction markets, traders purchase YES or NO shares representing their belief in an outcome. A YES share pays out if the Cardinals win; a NO share pays out if the Mets win. The settlement window remains open until 18 June 2026 at 17:10 UTC, allowing time for any postponements to be resolved. Should the game be cancelled without a rescheduled date or end in a tie, the market splits the payout equally between both outcomes.
The current crowd-implied probability of 0% YES reflects either extreme confidence in a Mets victory or, more likely, insufficient trading activity to establish a meaningful price. Historical context matters here: regular-season MLB games between evenly matched teams typically settle near 50–50 odds, whilst matchups involving a significantly stronger team can drift toward 70–30 or wider. The Cardinals and Mets have comparable recent performance trajectories, suggesting this game should trade closer to parity once liquidity increases.
Traders monitoring this market should track roster announcements, particularly starting pitcher assignments and injury updates, which typically emerge in the days before the fixture. Weather conditions at game time and recent team form—win streaks, bullpen fatigue, or offensive slumps—can shift expectations materially. The 1:10 PM start time is earlier than many MLB games, which occasionally affects team performance metrics and attendance-dependent variables.
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
- Is this market available outside the US?
- Prediction Market UK 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.
- What does it cost to trade on Prediction Market UK?
- Zero. Prediction Market UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Market UK 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.
Trade St. Louis Cardinals vs. New York Mets on Prediction Market UK
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