Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
54% | 46% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
54% | 46% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi 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 Kalshi UK.
Active sub-markets
| New York Mets vs. San Diego Padres | 54% New York Mets | 47% San Diego Padres |
| NRFI | 46% YES | 54% NO |
| Spread -1.5 | 41% New York Mets | 60% San Diego Padres |
| O/U 7.5 | 48% Over | 53% Under |
| O/U 8.5 | 42% Over | 59% Under |
| Spread -3.5 | 14% San Diego Padres | 87% New York Mets |
Market context
The Mets travel to San Diego on 6 June for an evening fixture against the Padres, with first pitch at 10:10 PM ET. Polymarket currently prices this matchup at 54% implied probability for a Mets victory, reflecting modest confidence in New York's chances despite playing on the road. The conditional token structure on Polygon settles in USDC against official MLB final statistics, with the settlement window extending to 14 June to accommodate any postponements—a material consideration given June weather patterns in Southern California and potential scheduling conflicts.
Historical matchups between these franchises show competitive balance, though home-field advantage has proven statistically meaningful in regular-season play. The Padres' record at Petco Park typically runs 3–5 percentage points above their overall winning percentage, whilst the Mets' road performance has historically tracked 2–4 points below their home splits. At 54% for the away team, the market appears to price in either strong Mets form heading into June or relative weakness from San Diego, rather than assuming a neutral expectation.
Traders should monitor starting pitcher assignments, which typically finalise 48–72 hours before game time and materially shift win probabilities. Recent roster moves, injury reports from both clubs, and any weather forecasts suggesting postponement risk warrant close attention through the settlement window. The Padres' recent performance against left-handed starters and the Mets' bullpen availability represent the primary on-field catalysts that could shift the current 54–46 split meaningfully before first pitch.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $378K.
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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Where can I trade this market with the lowest fees?
- On Kalshi UK, 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?
- Kalshi 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'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.
- 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.
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