St. Louis Cardinals vs. Minnesota Twins

Platform comparison

Active sub-markets

Market context

The St. Louis Cardinals travel to Minnesota for a regular-season matchup against the Twins on 13 June at 2:10 PM ET, with the conditional tokens on Polymarket currently pricing a Cardinals victory at 100% implied probability. This extreme skew reflects either substantial pre-game information asymmetry or illiquidity in the order book; such pricing rarely persists once meaningful volume enters the market, particularly in MLB games where historical win probabilities rarely exceed 75% even for heavily favoured teams.

Cardinals-Twins contests have historically produced competitive outcomes. Over their last ten meetings, the teams split results evenly, with neither side demonstrating consistent dominance. The Cardinals' 2025 season trajectory and current standings relative to Minnesota will anchor any rational repricing. Pitching matchups—particularly starter quality and bullpen availability—typically drive 10–15 percentage-point swings in baseball prediction markets, and these details should be verified against official MLB lineups before settlement.

Traders monitoring this contract should track roster updates through 13 June, including injury reports and any late lineup changes announced by either franchise. Weather conditions at Target Field can influence play, particularly wind direction affecting fly balls. The settlement window extends to 20 June, allowing for postponements; any game delay or cancellation without a make-up would trigger a 50-50 resolution. Current USDC liquidity and conditional token depth on Polygon will determine execution costs for positions seeking to arbitrage the current 100% pricing against more realistic pre-game probabilities.

Methodology

We track St. Louis Cardinals vs. Minnesota Twins on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Is this market available outside the US?

Polymarket 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 Polymarket UK?

Zero. Polymarket 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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket UK triggers a quick verification flow that finishes in minutes.