Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Spread -1.5 | 100% |
| Spread -2.5 | 100% |
| O/U 4.5 | 100% |
| O/U 3.5 | 100% |
| Washington Nationals vs. New York Mets | 0% |
| NRFI | 0% |
| O/U 8.5 | 0% |
| 1st 5 Innings Spread -1.5 | 0% |
| 1st 5 Innings Spread -1.5 | 0% |
| 1st 5 Innings O/U 2.5 | 0% |
| 1st 5 Innings O/U 3.5 | 0% |
| 1st 5 Innings O/U 4.5 | 0% |
| 1st 5 Innings O/U 5.5 | 0% |
| 1st 5 Innings O/U 6.5 | 0% |
| Extra Innings | 0% |
| Spread -1.5 | 0% |
| Spread -2.5 | 0% |
| O/U 7.5 | 0% |
| O/U 9.5 | 0% |
| O/U 6.5 | 0% |
| O/U 5.5 | 0% |
| Spread -3.5 | 0% |
Market context
The Washington Nationals travel to New York to face the Mets on 14 August at 7:10pm ET, with the settlement window extending to 21 August to accommodate any postponements. The 0% implied probability currently reflected in the prediction market represents an extreme divergence from standard sportsbook pricing, where such regular-season matchups typically show meaningful two-way probability distributions. This disconnect warrants scrutiny, as prediction markets occasionally exhibit liquidity constraints or data-lag effects that create pricing anomalies relative to established betting venues.
Historical precedent suggests that MLB games between non-playoff-contending teams in mid-August often attract lower trading volume on prediction platforms, potentially explaining the compressed probability range. When comparable matchups have shown similarly skewed probabilities, subsequent market activity has typically shifted prices toward sportsbook consensus within 48 hours of the event date. The Nationals and Mets' respective standings and remaining schedule will determine whether traders perceive meaningful value in either outcome.
Key variables affecting this contract include confirmed starting pitchers, which typically emerge 24–48 hours before game time, and any roster moves or injury announcements from either franchise. Recent weather forecasts for the New York area should be monitored, as August thunderstorms occasionally trigger postponements in the Northeast. Traders should cross-reference current moneyline odds at major sportsbooks against the prediction market's settlement criteria, particularly the 50–50 tie provision, which differs from standard sportsbook handling of cancelled games.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $255K.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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 Best Prediction Markets. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 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?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Washington Nationals vs. New York Mets on Best Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
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