Chicago Cubs vs. Pittsburgh Pirates

Platform comparison

Active sub-markets

Market context

The Cubs and Pirates meet on 25 May at 1:35 PM ET in a regular-season matchup. Polymarket currently prices Cubs victory at 53%, reflecting modest favouritism in conditional token markets on Polygon. The settlement window extends to 1 June, allowing for postponement resolution should weather or scheduling issues delay the fixture.

Historical matchups between these franchises show the Cubs hold a structural advantage. Over the past five seasons, Chicago has won approximately 55–60% of head-to-head contests, consistent with the current 53% implied probability. The Pirates' recent record—they finished 2024 with a losing season—suggests the market's pricing reflects genuine competitive disparity rather than noise. Cubs' playoff contention status versus Pittsburgh's rebuilding phase typically widens this gap further into the season, though May contests remain relatively balanced.

Traders should monitor starting pitcher assignments and injury reports released 24 hours before first pitch. The Cubs' rotation depth and bullpen reliability have historically outperformed Pittsburgh's, particularly in day games where fatigue factors favour deeper benches. Recent weather forecasts for Chicago should be checked; the venue's exposure to spring storms occasionally triggers postponements that reset market dynamics. Any late roster moves or unexpected absences could shift the conditional token distribution on Polygon, particularly if either team's primary starter becomes unavailable.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, 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

Where can I trade this market with the lowest fees?

On PolyGram, 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.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What does it cost to trade on PolyGram?

Zero. PolyGram 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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.