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Pittsburgh Pirates vs. Chicago Cubs

Comparison of odds and platforms for "Pittsburgh Pirates vs. Chicago Cubs" — sourced live from the Polymarket order book, curated by Who Will Win 2026.

1st 5 Innings O/U 2.5 77% 1st 5 Innings O/U 3.5 64% O/U 7.5 56% Extra Innings 53% Volume: $102K Liquidity: $665K Closes: 18 Sept 2026
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Pittsburgh Pirates vs. Chicago Cubs

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Who Will Win 2026) Pick
polygram.ink (preferred broker)
 77% 23% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle See live odds →
Polymarket (direct)
polymarket.com
 77% 23% 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
1st 5 Innings O/U 2.577%
1st 5 Innings O/U 3.564%
O/U 7.556%
Extra Innings53%
1st 5 Innings O/U 4.551%
NRFI50%
O/U 8.549%
Spread -1.547%
1st 5 Innings Spread -1.542%
1st 5 Innings O/U 5.539%
O/U 9.539%
Pittsburgh Pirates vs. Chicago Cubs37%
Spread -2.536%
1st 5 Innings O/U 6.527%
Spread -1.526%
1st 5 Innings Spread -1.521%
Spread -2.518%

Market context

Pittsburgh Pirates vs. Chicago Cubs — current market-implied probability: 77%. In the upcoming MLB game between the Pittsburgh Pirates and Chicago Cubs, scheduled for September 11 at 2:20PM ET: This market will resolve to "Pittsburgh Pirates" if the Pittsburgh Pirates win the g…

Live Data & Statistics

The Polymarket order book prices 1st 5 Innings O/U 2.5 at 77% for "Pittsburgh Pirates vs. Chicago Cubs".

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: $102K.

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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

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.
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 Who Will Win 2026 trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
How reliable are the quoted odds?
The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Jordan LeeJordan LeeSports Prediction ReporterandChris ReedChris ReedPolitical Forecasting Editor

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