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 Major League Baseball fixture. The market currently reflects a 54 per cent implied probability of a Cubs victory. Settlement occurs on 1 June 2026 at 17:35 UTC, with resolution tied to official MLB final statistics. Should postponement occur, the market remains open until completion; cancellation without a make-up game or a tied result triggers 50–50 settlement.

Historically, Cubs–Pirates matchups show modest variance in outcome predictability. The Cubs hold a slight structural advantage in recent seasons, though Pittsburgh has demonstrated capacity for competitive performances in divisional play. Current crowd probability at 54 per cent sits within a narrow range typical of games where neither team carries overwhelming favourites status. Comparable regular-season contests between mid-tier franchises often settle between 48–56 per cent for the stronger team, suggesting the market has priced in baseline strength differential rather than exceptional circumstance.

From a regulatory accessibility standpoint, this market operates under distinct frameworks depending on trader jurisdiction. UK-domiciled traders face Financial Conduct Authority oversight; US participants encounter CFTC reach on certain prediction market structures. The "no-KYC up to $1,500" threshold referenced in some platforms applies to aggregate position value rather than single-market exposure, meaning traders should verify their platform's specific identity verification requirements before committing capital. German traders should confirm compliance with GlüStV provisions, which classify certain prediction markets as gambling products subject to licensing. Weather conditions at game time and any late roster announcements regarding starting pitchers warrant monitoring through official MLB channels prior to settlement.

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

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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.

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.

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.