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Pittsburgh Pirates vs. Chicago Cubs

Live odds for "Pittsburgh Pirates vs. Chicago Cubs" pulled from the Polygon order book, alongside the platform attributes of every venue that runs this contract.

1st 5 Innings O/U 2.5 65% O/U 5.5 61% O/U 6.5 52% 1st 5 Innings O/U 3.5 50% Volume: $56K Liquidity: $478K Closes: 20 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)
 65% 35% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle See live odds →
Polymarket (direct)
polymarket.com
 65% 35% 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 2.565%
O/U 5.561%
O/U 6.552%
1st 5 Innings O/U 3.550%
NRFI44%
Pittsburgh Pirates vs. Chicago Cubs43%
O/U 7.539%
Spread -1.537%
1st 5 Innings O/U 4.537%
1st 5 Innings Spread -1.533%
Spread -1.530%
1st 5 Innings O/U 5.528%
Spread -2.527%
1st 5 Innings Spread -1.525%
Spread -2.521%
1st 5 Innings O/U 6.518%
Extra Innings12%

Market context

Based on real-money crowd forecasting, pittsburgh pirates vs. chicago cubs stands at 65% likelihood according to current market consensus. In the upcoming MLB game between the Pittsburgh Pirates and Chicago Cubs, scheduled for September 13 at 2:20PM ET: This market will resolve to "Pittsburgh Pirates" if the Pittsbur…

Live Data & Statistics

The Polymarket order book prices 1st 5 Innings O/U 2.5 at 65% for "Pittsburgh Pirates vs. Chicago Cubs".

1st 5 Innings O/U 2.5 65% Other 35%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $56K.

Methodology

This page reviews Pittsburgh Pirates vs. Chicago Cubs across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Who Will Win 2026, which mirrors the Polymarket order book at 0% fees.

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

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.
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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