St. Louis Cardinals vs. Cincinnati Reds

Platform comparison

Active sub-markets

Market context

Polymarket’s St. Louis Cardinals v Cincinnati Reds contract is trading around 48% YES, so the cardinals side is marginally preferred but the market is still close to a coin flip. For users holding the USDC-settled position on Polygon, that means the price is still leaving plenty of room for late movement if line-up or pitching information shifts before first pitch. The contract will resolve on the official final result, with postponed games staying open until completion and a cancelled game or tie reverting to 50-50.

Recent head-to-head results do not point to a clean edge. The teams have split recent meetings, including a Cardinals shutout over Cincinnati in St Louis and a Reds reply in the next series, while StatMuse and other record pages show a long-running rivalry with St Louis ahead overall. That kind of mixed recent form is consistent with a price sitting just below even rather than anywhere near a strong favourite. In practical terms, the current implied probability is reading the matchup as competitive, not as a spot with a decisive historical lean.

The main catalysts are the usual late baseball variables: confirmed starting pitchers, any rest or scratch news, and how each club sets its batting order once line-ups are posted. The MLB game story for the teams’ 2025 meeting highlights how quickly momentum can change between innings, which matters in a market that only settles on the official final score. Traders should also watch for weather and any schedule disruption, because the contract stays live if the game is delayed or postponed and only closes on completion.

Sources: 1 · 2 · 3 · 4 · 5

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 PolyGram, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

PolyGram 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 PolyGram?

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