San Diego Padres vs. St. Louis Cardinals

Platform comparison

Active sub-markets

Market context

On 17 June, the San Diego Padres will travel to face the St. Louis Cardinals in an MLB regular-season matchup. A YES share in this market pays out if the Padres win; a NO share pays out if the Cardinals win. The current crowd-implied probability of 72% YES reflects a strong expectation that San Diego will prevail. This settlement window remains open until 24 June, allowing for rescheduling should weather or other circumstances postpone the fixture.

Historical matchups between these franchises provide context for evaluating the current odds. Over the past three seasons, the Padres have held a marginal edge in head-to-head records, though neither team has demonstrated consistent dominance. The Cardinals' recent form has been inconsistent, whilst San Diego's roster depth—particularly in pitching—has supported stronger performance metrics in comparable late-June fixtures. The 72% probability suggests traders are pricing in San Diego's current-season trajectory and roster composition as meaningful advantages.

Traders should monitor roster updates and injury reports through mid-June, particularly regarding starting pitchers assigned to this game. The Padres' bullpen depth and recent offensive output against right-handed pitching warrant attention, as will any late-season trades or call-ups either club might execute. Weather forecasts for St. Louis on 17 June could influence game dynamics, though postponement risk appears low given the settlement window's extension. Recent performance trends and head-to-head pitching matchups will likely shift the probability in either direction as the fixture date approaches.

Methodology

We track San Diego Padres vs. St. Louis Cardinals 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

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 Prediction Market UK, 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?

Prediction Market 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 Prediction Market UK?

Zero. Prediction Market 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.