Chicago Cubs vs. Pittsburgh Pirates

Platform comparison

Active sub-markets

Market context

The Chicago Cubs face the Pittsburgh Pirates on 26 May at 6:40 PM ET in a regular-season Major League Baseball fixture. The market currently prices a Cubs victory at 14%, implying roughly a 6-to-1 underdog position. Settlement occurs on 2 June, allowing for potential postponement or rescheduling within that window.

Historical matchups between these National League Central rivals provide context for evaluating the current probability. Over the past three seasons, the Cubs have won approximately 55% of head-to-head contests against Pittsburgh, though recent form varies considerably by year. The Pirates have shown competitive strength in certain stretches, particularly when their pitching rotation aligns favourably. A 14% implied probability for the Cubs suggests the market is weighting Pittsburgh as a clear favourite, potentially reflecting recent performance trends, injury status, or scheduled pitching matchups that favour the home side.

Key catalysts affecting this market include confirmed starting pitcher assignments and any late roster changes announced before game time. Injury updates to either team's lineup—particularly position players or relief pitchers—can shift win probability substantially. Weather conditions at PNC Park may also influence outcomes, especially regarding wind direction affecting fly balls. Traders should monitor official MLB injury reports and team announcements through 26 May, as the Cubs' recent record against Pittsburgh and current standings position will inform whether the 14% probability reflects genuine competitive disadvantage or potential mispricing.

Methodology

This page tracks Chicago Cubs vs. Pittsburgh Pirates across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. Election Predictions UK routes every trade through to Polymarket — at 0% fees.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

Where can I trade this market with the lowest fees?

On Election Predictions UK, 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.

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 it cost to trade on Election Predictions UK?

Zero. Election Predictions UK 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.

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.