San Diego Padres vs. St. Louis Cardinals

Platform comparison

Active sub-markets

Market context

On 16 June, the San Diego Padres travel to face the St. Louis Cardinals in a regular-season MLB 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 25% for a Padres victory reflects traders' assessment that St. Louis enters as the favoured side. The settlement window extends to 23 June to accommodate any postponements, with cancellations or ties resolving the market 50-50.

The Padres' recent form and roster composition provide context for evaluating this probability. San Diego has experienced inconsistent performance across recent seasons, whilst the Cardinals maintain a stronger historical win rate in head-to-head matchups. Comparable mid-June divisional contests typically see probabilities shift based on current standings, injury reports, and recent win streaks. A 25% probability for the Padres suggests traders view them as clear underdogs, though not prohibitive ones.

Traders should monitor roster announcements through to game time, particularly regarding starting pitcher assignments and any late-breaking injuries to key position players. Weather conditions at Busch Stadium and recent bullpen performance for both teams represent material variables. The Cardinals' home-field advantage typically influences such probabilities, though the Padres' offensive capability in June can shift sentiment. Official MLB injury reports and team announcements in the days preceding the match will likely trigger probability adjustments as new information becomes available.

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 Prediction Market UK, which mirrors the Polymarket order book directly.

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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Market UK 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.