New York Mets vs. Philadelphia Phillies

Platform comparison

Active sub-markets

Market context

Polymarket’s contract on the New York Mets–Philadelphia Phillies game is trading at **44% YES** for the Mets, which is below a simple coin flip and implies the market currently favours Philadelphia on the moneyline. The event is a USDC-settled Polygon prediction market built from conditional tokens, so the final outcome will be determined by the official game result rather than live score swings or public sentiment. The listed settlement window runs to 28 June, but the key practical point for users is whether the game is completed and officially graded, not when it starts. [6][8]

That pricing sits between the more bullish Phillies projections now circulating elsewhere and the Mets’ path to an upset at Citizens Bank Park. ESPN’s game page lists Philadelphia at 41-35 and New York at 34-42, while outside models and bookmaker-facing previews lean to the Phillies, with one model giving Philadelphia a 61% win chance and ESPN Analytics quoted at 68.4% for the Phillies. In that context, a 44% Mets price is not a strong contrarian read; it is closer to a live underdog premium than a full fade of the home side. [1][2][4]

For a trader, the main catalysts are line-up confirmation, pitching changes, and any schedule disruption, because the market stays open if the game is postponed and only resolves 50-50 if the game is cancelled or ends in a tie. ESPN’s game listing confirms the fixture is scheduled at Citizens Bank Park, and official grading will depend on the completed final statistics, so pre-game scratches or weather can matter more than day-of chatter. The comparable market on Polymarket for the previous day’s Mets–Phillies meeting was already pricing Philadelphia as the favourite, which reinforces that the current 44% Mets level is being set against a broadly Phillies-leaning baseline. [4][6][8]

Sources: 1 · 2 · 3 · 4 · 5

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 Kalshi UK, 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?

Kalshi UK 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.

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 it cost to trade on Kalshi UK?

Zero. Kalshi UK 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.