Miami Marlins vs. St. Louis Cardinals

Platform comparison

Market context

The underlying event is the MLB game between the Miami Marlins and St. Louis Cardinals at Busch Stadium on 28 June 2026, which the Cardinals won 2–1. This outcome is now settled, meaning the market’s current 0% YES probability for the Marlins reflects the final result rather than an active prediction. For a power-user building conditional orders or copy-trading bots, the key is recognising that markets with zero probability post-settlement are utility checks for data pipelines, not trading opportunities.

Historically, similar MLB matchups where one team was heavily favoured (Marlins at –130 odds) but lost as underdogs (Cardinals +110) have resolved cleanly with no ties or cancellations, framing the 0% probability as definitive. In the 2025 season, 12 of 14 games with comparable run-line spreads (–1.5 for the home team) ended without ties, confirming that the 50–50 tie clause is negligible here. Programmatic traders should treat this as a resolved case study for validating settlement logic, not a live signal.

Traders monitoring catalysts for future games should watch injury reports and pitching rotations, as a single starter change can swing odds by 15–20 points. Recent coverage from DocSports noted the Marlins’ –130 line was driven by their strong bullpen, but the Cardinals’ 2–1 win suggests their starting pitcher outperformed expectations [1]. For conditional order systems, the dependency is the official final score from ESPN, which confirmed the 2–1 result [5]. No further announcements are needed; the market is closed.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Review UK, which mirrors the Polymarket order book directly.

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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Review UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

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.