New York Mets vs. Cleveland Guardians

Platform comparison

Market context

The Mets and Guardians are still priced as close to a coin flip, with the crowd at **48% YES** on New York, which is broadly in line with recent market readings that have swung between slight Guardians favoured and near pick’em. Earlier listings put Cleveland around -150 to -155 and New York as the away underdog, while more recent live markets moved towards the Mets after the first two games of the series tightened up the gap. [1][4][5][8]

That probability sits in the range you would expect for two teams with middling separation in the standings and a low-scoring setup; recent odds have clustered around totals of 7.5 to 8.5 runs, which keeps variance high and makes the moneyline more sensitive to late lineup news than in a higher-total game. Comparable past prices around this matchup also show that small shifts in starting pitching or bullpen availability have been enough to move the favourite from Cleveland to New York. [1][2][4][15]

For traders, the key catalyst is the confirmed starting pitchers and any late changes to the batting orders, because this market remains open until the game is completed and postponement would keep it live. The most important dependency is whether the scheduled 1:10 pm ET first pitch at Progressive Field proceeds on time; if weather or a delay forces a reschedule, settlement is deferred, while a cancellation with no make-up would go 50-50 under the rules. [11][4][3]

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.

UK Frequently Asked Questions

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 Prediction Today. 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.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.