San Diego Padres vs. St. Louis Cardinals

Platform comparison

Active sub-markets

Market context

The San Diego Padres face the St. Louis Cardinals on 16 June at 7:45 PM ET in a regular-season MLB fixture. Current crowd-implied probability of 28% for a Padres victory reflects modest confidence in San Diego despite their stronger recent record. The settlement window extends to 23 June 2026, allowing for postponement resolution should weather or scheduling conflicts arise. USDC settlement will execute against official MLB final statistics once the game concludes.

Historical matchup data shows the Cardinals have maintained competitive parity against San Diego over recent seasons, with neither club establishing decisive dominance in head-to-head records. The 28% probability skews toward St. Louis, suggesting market participants weight Cardinals' pitching depth and home-field advantage—the game location remains relevant to ballpark-specific performance metrics. Comparable regular-season contests between these franchises typically settle within narrow probability ranges when both teams field healthy rosters.

Key catalysts include starting pitcher announcements, which typically occur 24–48 hours before game time, and any roster changes due to injury or trade activity. Monitor MLB injury reports through official channels and ESPN's transaction feeds for late-breaking developments affecting lineup composition. Weather forecasts for the game venue should be tracked, as severe conditions could trigger postponement and extend the settlement window. Funding rates on related sports derivatives across major crypto exchanges may shift if significant news emerges regarding either team's playoff positioning or player availability.

Methodology

This page reads San Diego Padres vs. St. Louis Cardinals on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

Where can I trade this market with the lowest fees?

On BTC Prediction, 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.

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.

What does it cost to trade on BTC Prediction?

Zero. BTC Prediction 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, BTC Prediction triggers a quick verification flow that finishes in minutes.