St. Louis Cardinals vs. Cincinnati Reds

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Active sub-markets

Market context

The St. Louis Cardinals face the Cincinnati Reds on 24 May at 1:40PM ET in a National League Central divisional matchup. The current crowd-implied probability of 48% for a Cardinals victory reflects a near-even assessment, though the Reds have held marginal advantage in recent seasons within this rivalry. Cincinnati has won 11 of the last 20 head-to-head contests against St. Louis, establishing themselves as slight favourites in direct matchups despite broader competitive standing within the division.

Historical context matters here: the Cardinals have traditionally been the stronger franchise over decades, yet the Reds' recent roster construction and pitching depth have narrowed the gap considerably. When examining comparable May divisional games between these clubs, the home team advantage typically shifts the line by 2–3 percentage points, making the current 48% reading plausible for either outcome depending on venue. The Reds' bullpen performance in 2024–2025 has been notably inconsistent, which historically favours opponents capable of manufacturing late-inning runs.

Traders should monitor roster announcements through to game time, particularly regarding starting pitcher assignments and any late-notice injury updates affecting either lineup. The Cardinals' recent form against left-handed pitching and the Reds' performance in day games—this fixture is scheduled for an afternoon start—represent specific catalysts that could shift the probability meaningfully. Weather conditions at the venue on 24 May may also influence scoring expectations, particularly wind direction affecting fly ball distance. Any suspension announcements or unexpected roster moves in the 48 hours preceding the match could prompt significant line movement.

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

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 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 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.