Chicago Cubs vs. San Francisco Giants

Platform comparison

Active sub-markets

Market context

The Chicago Cubs travel to San Francisco on 13 June for a regular-season matchup against the Giants, with first pitch at 10:05 PM ET. Polymarket currently prices Cubs victory at 52%, reflecting modest confidence in Chicago as the visiting side. The settlement window extends to 21 June, providing a buffer for any postponements that might affect the scheduled fixture.

Historically, Cubs-Giants matchups have favoured neither side decisively across recent seasons. The Cubs hold a slight edge in head-to-head records over the past three years, though home-field advantage at Oracle Park has traditionally benefited San Francisco. The current 52-48 split suggests traders view this as a near-toss-up, with marginal weight given to the Cubs' recent form rather than venue dynamics. Comparable regular-season games between these franchises have typically settled within 2-3 percentage points of even odds when neither team holds significant momentum.

Traders should monitor starting pitcher assignments, which MLB typically confirms 24 hours before game time. Injury reports for key position players—particularly any late-inning relievers or offensive contributors—can shift conditional token valuations on Polygon. Weather conditions at Oracle Park, notably wind patterns affecting fly ball distances, occasionally influence line movement in baseball markets. Any roster changes announced through official MLB channels between now and game day warrant attention, as these directly impact the probability distribution reflected in USDC-denominated order books.

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 Polymarket UK, 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

Is this market available outside the US?

Polymarket UK 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.

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.

What does it cost to trade on Polymarket UK?

Zero. Polymarket 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 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.