Miami Marlins vs. St. Louis Cardinals

Platform comparison

Active sub-markets

Market context

The underlying event is an MLB game between the Miami Marlins and the St. Louis Cardinals, played at Busch Stadium in St. Louis on Friday, 26 June 2026, starting at 8:15 p.m. ET. The market resolves to the winner of that contest, with postponed games remaining open until completion and cancellations or ties settling at 50-50.

Historical precedents in MLB prediction markets show that 100% crowd-implied probabilities often reflect heavy liquidity skew rather than absolute certainty, as seen in comparable cases where late pitching changes or weather disruptions overturned consensus. Max Meyer’s recent 3-0 record with a 2.31 ERA over four June starts [3] and Alec Burleson’s 23-game on-base streak [3] are key comparable indicators that frame how to interpret the current probability, though they do not guarantee a win.

Traders should monitor official starting pitcher announcements, any weather updates for St. Louis, and the final lineup confirmations released by MLB.com before the game [3]. A recent USA Today report confirms the broadcast details and venue specifics, which are critical dependencies for settlement [6]. Regulatory frameworks such as Germany’s GlüStV and US CFTC reach influence market accessibility, while the “no-KYC up to $1,500” rule allows broader participation without identity verification, enhancing liquidity for this specific market.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Miami Marlins vs. St. Louis Cardinals across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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 PolyGram, 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.

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 PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram 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.