St. Louis Cardinals vs. Cincinnati Reds

Platform comparison

Active sub-markets

Market context

The St. Louis Cardinals will face the Cincinnati Reds on 24 May at 1:40 PM ET in a regular-season Major League Baseball matchup. The current crowd-implied probability of 48% for a Cardinals victory reflects near-parity between the two National League Central division rivals, with settlement occurring by 31 May 2026. Under MLB rules, postponements extend the resolution window, whilst cancellations without rescheduling or tied games trigger a 50–50 split resolution.

Historical head-to-head records between these franchises show competitive balance over recent seasons, though divisional context matters considerably. The Cardinals' performance trajectory and the Reds' current roster composition will anchor the 48% probability; shifts in either team's injury status or recent form typically move such markets by 3–5 percentage points in the days preceding first pitch. Comparable games from the 2024–2025 season between these opponents saw probabilities range from 45% to 52%, suggesting the current reading sits within normal variance.

Traders should monitor roster announcements, weather forecasts for the venue, and any last-minute pitching changes through 23 May. Recent injury reports or bullpen availability can shift probabilities materially. Under German GlüStV regulations, this market remains accessible to EU traders where licensed; US CFTC oversight applies to US-based participants, though prediction markets on sports outcomes occupy a distinct regulatory space from derivatives. The "no-KYC up to $1,500" threshold on certain platforms means traders can access this specific market with minimal identity verification provided their position size remains below that limit, though platform-specific terms apply.

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

Where can I trade this market with the lowest fees?

On PolyGram, 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?

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.

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.