Miami Marlins vs. Pittsburgh Pirates

Platform comparison

Active sub-markets

Market context

The Miami Marlins travel to Pittsburgh on 14 June for a midday fixture against the Pirates, with the conditional token market on Polygon currently pricing a Marlins victory at 95% implied probability. This pricing reflects the Marlins' superior regular-season record and recent form relative to Pittsburgh, though the settlement window extends to 21 June to accommodate any postponements. Traders holding YES tokens denominated in USDC are effectively betting the Marlins secure victory within the standard nine-inning format.

Historical matchups between these franchises show the Marlins have won approximately 55% of contests over the past five seasons, yet single-game outcomes remain volatile. The 95% probability assigned here suggests the market is pricing in more than baseline historical advantage—likely accounting for roster composition, injury status, or recent momentum shifts. When implied probabilities exceed 90% in baseball markets, the conditional token structure on Polymarket typically reflects either pronounced quality differentials or significant information asymmetry that traders have already priced in.

Catalysts affecting settlement include starting pitcher assignments, which MLB typically confirms 24 hours before first pitch, and any weather disruptions given the outdoor venue. The Pirates' recent performance trajectory and any roster moves announced before 14 June could shift the underlying expectation, though the current 95% pricing suggests limited uncertainty remains in the market's view. Traders should monitor official MLB injury reports and lineup announcements through 13 June, as these represent the final material information before the conditional tokens resolve against actual game outcome.

Methodology

We track Miami Marlins vs. Pittsburgh Pirates on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

Where can I trade this market with the lowest fees?

On Polymarket Scam?, 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.

Is this market available outside the US?

Polymarket Scam? 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'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.