Pittsburgh Pirates vs. St. Louis Cardinals

Platform comparison

Active sub-markets

Market context

The Pittsburgh Pirates and St. Louis Cardinals meet in a divisional game that, on current market pricing, is being treated as effectively one-way: the contract shows 0% YES for Pittsburgh, while the surrounding results and recent form point towards St. Louis as the default favourite. The Cardinals have already taken the recent season series context seriously, winning 11-7 on 28 April and 10-5 on 30 April, and StatMuse lists St. Louis as 5-0 in its last five against Pittsburgh, with a .264 team batting average in that stretch. That sits awkwardly alongside any near-zero Pirates contract price, suggesting the prediction market is not simply mirroring the on-field matchup but is also reflecting how late money and low-liquidity contracts can diverge from standard sportsbook framing.

Recent game reports also matter because the most recent meetings have been high-scoring and bullpen-sensitive rather than coin-flip affairs. ESPN’s game pages for the late-April series show the Cardinals’ bats doing the damage, with Nolan Gorman, Alec Burleson and Jordan Walker all driving in three runs in the 11-7 win, and St. Louis then completing a four-game sweep with the 10-5 result in Pittsburgh. For traders, the key catalysts are the final line-ups, starting pitcher confirmations and any scratch news, especially if the matchup is later than originally scheduled or impacted by travel and rest. Flashscore and SofaScore both had the 19 May game listed live, so the practical question for settlement is whether the official result is already in the record or whether any postponement or make-up detail changes the completion status before the 26 May settlement window closes.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Pittsburgh Pirates vs. St. Louis Cardinals across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

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.

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, PolyGram 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.