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St. Louis Cardinals vs. Cincinnati Reds

Comparison of odds and platforms for "St. Louis Cardinals vs. Cincinnati Reds" — sourced live from the Polymarket order book, curated by Kalshi vs Polymarket.

1st 5 Innings O/U 2.5 77% 1st 5 Innings O/U 3.5 66% O/U 7.5 66% O/U 8.5 57% Volume: $180K Liquidity: $662K Closes: 24 Aug 2026
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St. Louis Cardinals vs. Cincinnati Reds

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Kalshi vs Polymarket) Pick
polygram.ink (preferred broker)
 77% 23% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle View on Polymarket →
Polymarket (direct)
polymarket.com
 77% 23% 0% Geo-blocked in US/UK/EU USDC, on-chain View on Polymarket →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD View on Polymarket →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR View on Polymarket →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) View on Polymarket →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
1st 5 Innings O/U 2.577%
1st 5 Innings O/U 3.566%
O/U 7.566%
O/U 8.557%
1st 5 Innings O/U 4.556%
St. Louis Cardinals vs. Cincinnati Reds53%
NRFI52%
O/U 9.547%
1st 5 Innings O/U 5.545%
Spread -1.542%
1st 5 Innings Spread -1.535%
1st 5 Innings O/U 6.535%
Spread -1.532%
Spread -2.532%
1st 5 Innings Spread -1.530%
Spread -2.522%
Extra Innings8%

Market context

Traders on decentralised prediction markets give 77% probability to st. louis cardinals vs. cincinnati reds. In the upcoming MLB game between the St. Louis Cardinals and Cincinnati Reds, scheduled for August 17 at 6:40PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win th…

Live Data & Statistics

The Polymarket order book prices 1st 5 Innings O/U 2.5 at 77% for "St. Louis Cardinals vs. Cincinnati Reds".

1st 5 Innings O/U 2.5 77% Other 23%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $180K.

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi vs Polymarket, 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?
Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi vs Polymarket. 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 does Polymarket cost to trade?
Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
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?
On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi vs Polymarket trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Jordan LeeJordan LeeSports Prediction ReporterandChris ReedChris ReedPolitical Forecasting Editor

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