New York Mets vs. Cleveland Guardians

Platform comparison

Market context

Polymarket is pricing this Mets-Guardians contract at **33% YES**, which is below most sportsbook-style win probabilities that were closer to a coin flip or a slight Cleveland lean around first pitch. That gap matters on Polymarket because the contract settles in **USDC on Polygon** via conditional tokens, so the market price is the live consensus of traders rather than a moneyline conversion from a bookmaker. In practical terms, a 33% print implies the crowd is treating a Mets win as a relatively low-probability outcome, even though pre-game markets still had New York in range with Cleveland only a narrow favourite.[1][3][8]

The recent form context is mixed, which helps explain why traders can justify a discounted Mets price without assuming a huge upset. Some previews had Cleveland marginally ahead on the moneyline, while others showed New York close to even or only slightly behind, with totals sitting around 7.5 or 8.5 runs depending on the book and timing.[1][2][3][9] That kind of line spread usually tells Polymarket users the outcome is sensitive to pitcher confirmation, late line-up changes, and whether the game script stays low-scoring; a one-run game is less informative for token pricing than a broader gap in team quality.

For traders, the main catalysts are the official line-ups, any late pitching changes, and whether the game is played as scheduled at Progressive Field. If the game is postponed, the market stays open until completion; if it is cancelled without a make-up, or ends tied, it resolves 50-50, which can matter more than the on-field price if weather or scheduling becomes an issue.[12] On-chain, that means the token remains live until the resolution conditions are satisfied, so Polymarket pricing can move on pre-game news as much as on the result itself.

Sources: 1 · 2 · 3 · 4 · 5

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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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.

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.

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.