Miami Marlins vs. Pittsburgh Pirates

Platform comparison

Active sub-markets

Market context

The Miami Marlins travel to Pittsburgh on 12 June for a regular-season matchup against the Pirates, with the conditional token market currently pricing a Marlins victory at zero percent on Polygon. This extreme pricing reflects either a severe underlying disadvantage for Miami or a liquidity constraint in the market itself—worth distinguishing before committing USDC to either side. The settlement window extends to 19 June, allowing for postponements without market closure, though cancellation without a rescheduled game would trigger a 50-50 split resolution.

Historical context matters here: the Marlins have finished below .500 in most recent seasons, whilst Pittsburgh has shown modest competitive improvement. However, single-game outcomes depend heavily on pitching matchups and roster availability rather than seasonal records. The Pirates' home-field advantage at PNC Park carries measurable weight in baseball markets, typically worth 2–3 percentage points in implied probability terms. A zero-percent reading on the Marlins suggests either the market has priced in a significant injury to Miami's starting pitcher or reflects thin liquidity rather than genuine certainty.

Traders should monitor roster announcements through 11 June, particularly any last-minute changes to starting pitchers or key position players. Weather conditions in Pittsburgh—June temperatures and potential rain—can affect game dynamics and should be checked closer to game time. Recent form matters less than the specific matchup; checking both teams' recent performance against similar opponents and the head-to-head record provides better calibration than seasonal standings alone.

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

Is this market available outside the US?

Kalshi 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, Kalshi 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.