Miami Marlins vs. Pittsburgh Pirates

Platform comparison

Active sub-markets

Market context

On 12 June 2026, the Miami Marlins will travel to Pittsburgh to face the Pirates in a regular-season Major League Baseball fixture. In prediction-market terms, a YES share represents a Marlins victory, whilst a NO share represents a Pirates win. The current crowd-implied probability of 19% for a Marlins victory reflects substantial backing for Pittsburgh, though the settlement window extends to 19 June to accommodate any postponements or rescheduling.

Historical matchup data and seasonal form provide the foundation for assessing this probability. The Marlins have struggled relative to Pittsburgh in recent seasons, with the Pirates holding a competitive edge in head-to-head records and divisional standing. Miami's inconsistent roster construction and lower payroll typically position them as underdogs in such encounters. The 19% probability aligns with typical market pricing for a visiting team with weaker fundamentals facing a stronger opponent at home, though this figure remains above the floor one might expect for a heavily favoured side.

Traders should monitor roster announcements in the week preceding the match, particularly starting pitcher assignments and any late injury disclosures. Weather conditions at PNC Park on game day—wind direction and temperature—can materially affect scoring outcomes. Recent form entering mid-June will prove decisive; a Marlins winning streak or Pirates slump could shift implied probabilities meaningfully. The settlement mechanism accounts for postponement or cancellation, resolving 50-50 only if the game is cancelled with no make-up scheduled or ends in a tie, an outcome extraordinarily rare in modern baseball.

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 Prediction Market UK, 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

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 Prediction Market UK?

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