Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
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 PolyGram.
Active sub-markets
| Spread -3.5 | 0% YES | 100% NO |
| Spread -2.5 | 0% YES | 100% NO |
| Spread -4.5 | 0% YES | 100% NO |
| O/U 7.5 | 0% YES | 100% NO |
| Spread -1.5 | 0% YES | 100% NO |
| O/U 8.5 | 0% YES | 100% NO |
Market context
The New York Mets are due to play the Washington Nationals on 21 May at 4:05pm ET, and the market is a simple head-to-head on who wins the completed game. With the crowd implying only a 1% chance of a Mets YES, pricing is treating a Mets win as an extreme outlier rather than a balanced contest. That sort of number usually reflects either a live in-game state, a major pitching mismatch, or a late-game scoreline already swinging hard towards Washington. Because settlement follows the official final result, postponement keeps the market open, while a cancellation or tied game resolves 50-50.
For context, Mets–Nationals is a divisional fixture that has often produced swingy results, so a very low YES price should be read against the specific game state rather than the rivalry alone. The two clubs have split stretches of competitiveness in recent seasons, but market odds this small generally need a concrete trigger, not just a weaker season record. Under Germany’s GlüStV, access to prediction markets can be constrained if the venue is treated as remote gambling; by contrast, US CFTC oversight is relevant to regulated event-contract platforms, but not all markets are structured the same way. For this specific market, “no-KYC up to $1,500” means small positions may be accessible with limited identity checks, which affects how quickly a trader can enter or exit.
The main catalysts are the official line-up card, any pitching change, and whether the game is being treated as live or awaiting first pitch. ESPN’s live game page and MLB’s game story feed are the cleanest sources for score and status, while recent highlights coverage shows these teams have already produced late-inning volatility in recent meetings. If the Nationals are leading late, the 1% YES price will mostly track bullpen usage, defensive substitutions, and any rain delay risk rather than pre-game team strength.
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
- 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.
- 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 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.
- 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 New York Mets vs. Washington Nationals on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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