New York Mets vs. Philadelphia Phillies

Platform comparison

Active sub-markets

Market context

The New York Mets are playing the Philadelphia Phillies at Citizens Bank Park, with first pitch listed for 7:15 pm ET and the market resolving on the official final result if the game is completed as scheduled. For a power-user, the practical setup is simple: treat the event as a single binary instrument until postponement or cancellation logic changes the settlement path, then automate checks around lineup release, weather, and official game status rather than price alone.[2][3]

A 46% YES price implies a slight lean towards the Mets, but it is close to a coin flip and should be read as a modest edge rather than a strong conviction. Recent comparable context matters because the clubs have already met this week, with the Mets winning 7-2 on 18 June, which can anchor market memory even though one result does not establish the next game’s true state.[1] In programmatic terms, that kind of prior result often creates short-term sentiment without necessarily changing the underlying win probability if the pitching and venue inputs differ.

The main catalysts are the confirmed line-ups, starting pitcher announcements, and any late weather or schedule update from MLB or the teams’ official channels. The game has already been listed as a Saturday FOX broadcast, with streaming access also surfaced by schedule listings, so a trader monitoring a bot or conditional order stack would typically key off pre-game status feeds and official postponement notices before the opening pitch.[2][3][4]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track New York Mets vs. Philadelphia Phillies on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket App UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket App 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.

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.