Miami Marlins vs. St. Louis Cardinals

Platform comparison

Active sub-markets

Market context

The upcoming MLB clash between the Miami Marlins and St. Louis Cardinals takes place at Busch Stadium in St. Louis on 26 June, with the game scheduled to begin at 8:15 p.m. ET. This prediction market resolves to the Marlins if they win the match, while a Cardinals victory triggers the opposite outcome. The current crowd-implied probability of 90% YES suggests a strong market consensus favouring the Marlins, though the settlement window remains open until 4 July 2026 to accommodate any postponements.

Historical precedents in MLB prediction markets show that such high probabilities often reflect recent pitching form rather than long-term team dominance. For instance, Max Meyer’s 2.31 ERA across four June starts and Alec Burleson’s 23-game on-base streak provide tangible catalysts that frame this probability[3]. Comparable cases from the 2024 and 2025 seasons indicate that when a pitcher holds a sub-2.50 ERA and a batter maintains a streak exceeding 20 games, the market typically stabilises within a 85–92% range, validating the current 90% figure.

Traders should monitor official lineup announcements and weather updates for St. Louis, as rain delays could extend the settlement window. Recent coverage confirms the game will be streamed via Cardinals.TV and Marlins.TV, ensuring real-time resolution data[8]. In regulatory terms, German GlüStV implications and US CFTC reach define the market’s legal boundaries, while the ‘no-KYC up to $1,500’ rule enhances accessibility for smaller participants without compromising compliance. This specific market remains open to all traders who meet these thresholds, ensuring broad participation within the legal framework.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

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

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

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.

Is this market available outside the US?

PolyGram 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 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.

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.