Miami Marlins vs. Pittsburgh Pirates

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Active sub-markets

Market context

The Miami Marlins travel to Pittsburgh on 12 June for an evening fixture against the Pirates, with first pitch at 6:40 PM ET. The current crowd-implied probability of 0% YES reflects either extreme confidence in a Pirates victory or minimal trading activity in this contract. Given the settlement window extends to 19 June, the market allows for postponement scenarios common in early-summer baseball schedules.

Historical matchup data between these franchises shows the Marlins have held a competitive edge in recent seasons, though both clubs occupy the lower tier of their respective divisions. The Pirates' 2024 campaign saw modest improvement after years of rebuilding, whilst the Marlins' roster remains in flux following front-office restructuring. A 0% probability for the Marlins suggests traders are pricing in either significant roster disadvantage or have simply not engaged with this contract at volume.

Traders should monitor pitching assignments and injury reports released in the days preceding the match, as starting pitcher quality often drives meaningful line movement in low-profile matchups. Recent weather forecasts for Pittsburgh should be tracked, given June thunderstorm frequency in the region. Comparative sportsbook odds from major operators typically show the Pirates as slight favourites in such fixtures, though the magnitude of that edge varies. Any last-minute roster changes—particularly involving key position players or bullpen depth—could shift the current extreme probability significantly before the settlement window closes.

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

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 Best Prediction Markets UK, 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.

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.

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, Best Prediction Markets UK triggers a quick verification flow that finishes in minutes.

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.