New York Mets vs. Miami Marlins

Platform comparison

Active sub-markets

Market context

The Mets travel to Miami on 23 May for an afternoon fixture against the Marlins, with the current 14% YES probability suggesting substantial backing for a Miami victory. This represents a significant underdog position for New York, despite the Mets' status as a larger-market franchise with higher payroll expectations. The settlement window extends to 30 May, allowing for postponement resolution should weather or other factors delay the original fixture.

Historical matchups between these division rivals show the Mets have typically held the upper hand in head-to-head records, though Miami's home-field advantage at loanDepot park carries measurable weight in May baseball. Recent form matters considerably here: the Mets' record in late May typically reflects their early-season trajectory, whilst the Marlins often show volatility that makes their home performances difficult to predict. Comparable May fixtures between these clubs over the past three seasons have resolved with roughly 60-40 splits favouring New York, suggesting the current 14% probability may be pricing in specific roster disadvantages or recent injury news.

Traders should monitor starting pitcher assignments, which typically get confirmed 48 hours before first pitch. Any late-breaking roster moves—particularly suspensions or injuries to key position players—could shift the line materially. Weather conditions in Miami during late May occasionally force postponements, which would keep this market open beyond the original date. Recent team transactions and bullpen availability heading into this fixture will also influence how the probability evolves through the settlement window.

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 PolyGram, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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 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, PolyGram triggers a quick verification flow that finishes in minutes.