New York Mets vs. Cleveland Guardians

Platform comparison

Market context

The New York Mets are listed around a mid-40s win chance in the prediction market, but the broader market picture is tighter than that headline suggests. Sportsbook prices have generally made Cleveland a modest favourite, with DraftKings showing the Guardians at -155 and the Mets at +128, while Fox Sports’ odds feed implies roughly 55% for Cleveland; that is close to, but a little more bullish than, the 44% YES price here. Analyst models are split rather than unanimous: Dimers has Cleveland at about 52.7%, while one SportsGrid projection leans the other way with a Mets win probability of 61%, so the contract sits in a genuinely contested range rather than on a strong consensus edge.[3][7][11][13][15]

Comparable cases in this spot tend to track starting pitching and market shopping more than team brand. The books are dealing a low-total game, typically 7.5 runs, which means a one-score result is doing most of the work in both the moneyline and run-line pricing.[3][7] Historical team records also point to a slight Cleveland advantage on the season, with the Guardians above .500 and the Mets well below it in the available matchup snapshots, but that sort of gap often compresses in a single-game market when the spread is short and the total is modest.[4][18]

For traders, the main catalysts are lineup confirmation, the confirmed starting pitchers, and any late movement in the total or moneyline as game time approaches. Recent previews point to a probable left-on-left pitching setup, with Sean Manaea and Joey Cantillo listed in one market feed, which can matter if either side changes plans or if a bullpen game is announced.[4] The game is scheduled for 6:40 pm ET, so the key dependency is whether pre-match injury, rest, or weather news shifts the market before first pitch; if the game is postponed, this contract stays open until it is completed, and if there is no make-up or the game ends tied, it resolves 50-50.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track New York Mets vs. Cleveland Guardians across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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 PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.