Chicago Cubs vs. Pittsburgh Pirates

Platform comparison

Active sub-markets

Market context

The Chicago Cubs face the Pittsburgh Pirates on 25 May at 1:35 PM ET in a regular-season matchup. The 53% crowd-implied probability favours the Cubs, reflecting their historical edge in the Central Division rivalry. Sportsbooks typically price Cubs moneyline bets at around −120 to −130, implying roughly 55–57% win probability, suggesting modest alignment with prediction-market sentiment. However, some offshore books have offered Cubs odds as tight as −110, indicating sharper action may view this contest as closer than the current crowd assessment.

The Cubs' recent form and rotation assignment merit close attention. Chicago's starting pitcher and Pittsburgh's counter-selection will likely drive material line movement in the 48 hours before first pitch. The Pirates have shown inconsistent offensive output this season, though they perform better at home; conversely, the Cubs' bullpen depth has been a variable strength. Weather conditions at PNC Park—wind direction and temperature—historically affect run totals and can shift moneyline expectations, particularly for day games. Injury updates to either team's lineup or pitching staff, typically released 24–48 hours before game time, have previously shifted implied probabilities by 3–5 percentage points in comparable matchups.

The settlement window extends to 1 June, allowing for postponement resolution if weather or scheduling forces a delay. Traders should monitor official MLB communications and team injury reports through 24 May, as late-breaking roster changes or weather forecasts can create discrepancies between the current 53% crowd reading and sharper sportsbook pricing.

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

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

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.