New York Mets vs. Miami Marlins

Platform comparison

Active sub-markets

Market context

On 23 May, the New York Mets will travel to Miami to face the Marlins in a regular-season Major League Baseball fixture. In prediction markets, a YES share represents a bet that the Mets win; a NO share represents a bet on the Marlins. The current 50–50 split suggests traders see little advantage to either side, though this equilibrium typically shifts as game day approaches and new information emerges.

The Mets and Marlins occupy different competitive positions within the National League East. Historical matchups between these franchises show the Mets have generally held the upper hand in recent seasons, though the Marlins have produced occasional upsets. The 50–50 probability reflects genuine uncertainty rather than a toss-up; it signals that traders lack consensus on which team's roster strength, recent form, or pitching matchup will prove decisive. Context matters: the Mets' injury status, their position in the standings at game time, and Miami's home-field dynamics all influence how traders reassess the odds in the days before first pitch.

Traders should monitor roster announcements, particularly starting pitcher assignments and any last-minute injury disclosures, which typically arrive within 48 hours of game time. Weather conditions in Miami—heat and humidity can affect ball carry and player fatigue—occasionally shift betting patterns. The settlement window extends to 30 May at 20:10 UTC, allowing for postponements. If the game is cancelled without a rescheduled date, or ends in a tie, the market resolves 50–50 automatically, returning stakes to traders equally.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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?

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.

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 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.