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St. Louis Cardinals vs. Arizona Diamondbacks

How the prediction-market book is pricing "St. Louis Cardinals vs. Arizona Diamondbacks" right now, with a side-by-side platform comparison and zero-fee CTAs.

O/U 9.5 100% 1st 5 Innings Spread -1.5 100% 1st 5 Innings Spread -2.5 100% 1st 5 Innings O/U 2.5 100% Volume: $444K Closes: 26 Jul 2026
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St. Louis Cardinals vs. Arizona Diamondbacks

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Who Will Win 2026) Pick
polygram.ink (preferred broker)
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle See live odds →
Polymarket (direct)
polymarket.com
100% 0% 0% Geo-blocked in US/UK/EU USDC, on-chain See live odds →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD See live odds →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR See live odds →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) See live odds →

Outcome probabilities

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

OutcomeProbability
O/U 9.5100%
1st 5 Innings Spread -1.5100%
1st 5 Innings Spread -2.5100%
1st 5 Innings O/U 2.5100%
1st 5 Innings O/U 3.5100%
1st 5 Innings O/U 4.5100%
1st 5 Innings O/U 5.5100%
1st 5 Innings O/U 6.5100%
Extra Innings100%
O/U 8.5100%
O/U 7.5100%
O/U 6.5100%
O/U 11.5100%
O/U 10.5100%
O/U 12.5100%
O/U 13.5100%
O/U 14.5100%
St. Louis Cardinals vs. Arizona Diamondbacks0%
NRFI0%
Spread -1.50%
1st 5 Innings Spread -1.50%
1st 5 Innings Spread -2.50%
Spread -1.50%
Spread -2.50%
Spread -4.50%
Spread -3.50%
Spread -5.50%
Spread -6.50%
O/U 15.50%
O/U 16.50%
O/U 17.50%

Market context

Based on real-money crowd forecasting, st. louis cardinals vs. arizona diamondbacks stands at 100% likelihood according to current market consensus. In the upcoming MLB game between the St. Louis Cardinals and Arizona Diamondbacks, scheduled for July 19 at 4:10PM ET: This market will resolve to "St. Louis Cardinals" if the St.…

Live Data & Statistics

The Polymarket order book prices O/U 9.5 at 100% for "St. Louis Cardinals vs. Arizona Diamondbacks".

O/U 9.5 100% Other 0%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $444K.

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 Who Will Win 2026, 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?
Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Who Will Win 2026. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
Is this market available outside the US?
Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
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.
and

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Related Topics

Sports