Miami Marlins vs. Pittsburgh Pirates

Platform comparison

Active sub-markets

Market context

The Miami Marlins face the Pittsburgh Pirates on 13 June at 4:05 PM ET in a regular-season MLB matchup. The settlement window extends to 20 June, accounting for potential postponements. Current crowd pricing at 0% YES reflects either extreme confidence in a Pirates victory or minimal trading activity, both scenarios worth examining before committing capital.

Historical matchup data and recent form provide the foundation for calibrating this market. The Marlins and Pirates have played 19 times since 2020, with Miami holding a slight edge in head-to-head records during that period. However, seasonal context matters more than historical splits. As of early June, the Pirates typically perform better in their home division matchups, whilst the Marlins' inconsistency—reflected in their mid-table NL East standing—creates uncertainty around their baseline win probability. A 0% reading suggests either the Pirates are heavily favoured based on current roster health or the market has simply not attracted sufficient liquidity to establish a realistic price.

Traders should monitor roster announcements through 12 June, particularly regarding starting pitcher assignments and injury updates. The Pirates' pitching depth and the Marlins' recent offensive trends will shift the probability meaningfully. For programmatic approaches, setting conditional orders around official lineup confirmations (typically released 24 hours pre-game) allows automated position adjustment. Weather conditions at PNC Park and any last-minute bullpen availability changes warrant real-time feeds. The 50-50 tie resolution clause is unlikely but should be factored into risk models given the low current probability—a market at 0% YES leaves substantial room for repricing if new information emerges.

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

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 Review 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.

Is this market available outside the US?

Polymarket Review UK 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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Review UK triggers a quick verification flow that finishes in minutes.