New York Mets vs. Philadelphia Phillies

Platform comparison

Active sub-markets

Market context

The Mets’ visit to Philadelphia comes with the Phillies installed as the firmer side on recent form and table position: ESPN lists Philadelphia at 41-35 and New York at 34-42, and the Phillies routed the Mets 15-3 on 20 June, which gives the home team a short-term edge in both scoreboard momentum and series context.[1][8] That leaves a **45% yes** crowd price for the Mets looking broadly consistent with a live underdog rather than a coin flip, especially with the game at Citizens Bank Park rather than in Queens.[1][8]

Recent comparable spots also point towards why the market is not pricing the Mets much higher. MLB’s preview notes Zack Wheeler has a 1.44 ERA in four starts against New York since the start of 2024, including the postseason, a head-to-head record that can materially shape expectations when he is on the mound.[4] The same preview says David Peterson has been moved in and out of the rotation this season, which matters because rotation stability often affects both pre-game pricing and how quickly a market moves on confirmed line-ups.[4]

The main catalysts to watch are the starting pitchers, late injury or rest announcements, and whether either club changes its bullpen usage after the previous day’s lopsided result.[4][8] Because this market remains open until the game is completed, any postponement would keep it live, while a cancellation or tie would settle 50-50 under the market rules.

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 Sport Prediction, which mirrors the Polymarket order book directly.

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 Sport Prediction, 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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction triggers a quick verification flow that finishes in 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.