Miami Marlins vs. New York Mets

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Market context

The Miami Marlins travel to Queens on 30 May for a 4:10 PM ET matchup against the New York Mets, with settlement occurring via USDC on the btc-prediction.bet platform by 20:10 UTC on 6 June. The 1% implied probability for a Marlins victory reflects the structural disadvantage Miami faces in regular-season matchups against National League East rivals with deeper rosters and higher payroll allocations. Historical records between these franchises show the Mets have maintained a winning record in recent seasons, though single-game outcomes remain inherently volatile. The probability discount also factors in typical home-field advantage at Citi Field, where the Mets' win percentage historically exceeds their road performance by 4–6 percentage points.

Traders monitoring this contract should track starting pitcher assignments, which MLB typically confirms 24–48 hours before game time. Recent injury reports from both clubs matter considerably: the Mets' rotation depth and the Marlins' offensive availability will influence expected run production. Weather conditions at game time—particularly wind direction and temperature affecting ball carry at Citi Field—can shift expected scoring by 0.3–0.5 runs. Funding rates on perpetual contracts for baseball-adjacent assets have remained subdued, suggesting no material macro catalyst is driving directional positioning. Settlement hinges on official MLB box scores; postponements extend the resolution window but do not alter the binary outcome structure.

Methodology

This page reads Miami Marlins vs. New York Mets on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

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'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 BTC Prediction?

Zero. BTC Prediction 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, BTC Prediction triggers a quick verification flow that finishes in minutes.