Miami Marlins vs. Pittsburgh Pirates

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Active sub-markets

Market context

The Miami Marlins travel to Pittsburgh on 13 June for an afternoon fixture against the Pirates, with the market currently pricing a Marlins victory at 16 per cent. This low probability reflects the Marlins' position as the weaker side in regular-season matchups between these franchises, though the specific context of June scheduling and roster composition matters considerably for single-game outcomes.

Historically, the Pirates have maintained a marginal edge in head-to-head records against Miami over recent seasons, winning roughly 52–53 per cent of contests. However, single regular-season games carry substantial variance; home-field advantage at PNC Park typically confers a 3–4 percentage-point boost in win probability, yet this remains far from determinative. The Marlins' 16 per cent implied probability suggests the market is treating this as a straightforward home-team advantage scenario rather than reflecting a significant talent gap or recent form divergence.

Key variables affecting the outcome include starting pitcher matchups, which will be confirmed closer to game day, and any roster changes due to injury or roster moves in the days preceding 13 June. Weather conditions at PNC Park—temperature and wind direction—can materially influence outcomes in afternoon games. Traders should monitor official MLB injury reports and team announcements through early June, as the absence of key position players or a primary starter could shift the implied probability meaningfully. Recent team form heading into mid-June, available through ESPN's standings and recent-results pages, will provide additional context on whether either side enters the fixture with momentum.

Methodology

This page tracks Miami Marlins vs. Pittsburgh Pirates across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. Election Predictions UK routes every trade through to Polymarket — at 0% fees.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

Where can I trade this market with the lowest fees?

On Election Predictions 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?

Election Predictions 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.

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 Election Predictions UK?

Zero. Election Predictions 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.