New York Mets vs. Miami Marlins

Platform comparison

Active sub-markets

Market context

Polymarket is pricing the New York Mets at 49% on this USDC-settled, Polygon-based contract, leaving the Miami Marlins just ahead at 51%. With the market sitting almost at coin-flip level, the on-chain price is effectively saying the fixture is close to even once home advantage, form, and roster uncertainty are all folded in.

Recent results suggest a modest edge to Miami in the wider sample, but not enough to move this far from parity. ESPN’s listed team lines show the Marlins at 22-28 overall and 15-14 at home, compared with the Mets at 22-28 overall and 11-15 away. Across the teams’ underlying batting rates, Miami also edges New York in batting average, on-base percentage, and slugging, though the gap is not huge. That is the sort of profile that often leaves a market pinned near 50-50 unless a starting pitcher announcement or late lineup change breaks it.

Traders should watch the confirmed line-up, starting pitchers, and any weather or postponement risk before first pitch at loanDepot park. MLB.com’s schedule listing shows the game as a Friday night home fixture for Miami, and the resolution rules mean a postponement would keep the contract open until the game is played, while a cancellation with no make-up would settle 50-50. If either club releases a late scratch or makes a bullpen-day move, the conditional tokens in this market can reprice quickly before the official final result lands.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews New York Mets vs. Miami Marlins across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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 PolyGram, 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?

PolyGram 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.

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 does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.