San Francisco Giants vs. Chicago Cubs

Platform comparison

Active sub-markets

Market context

The San Francisco Giants travel to Chicago to face the Cubs on 6 June at 2:20 PM ET, with settlement occurring a week later on 13 June. The 46% implied probability for a Giants victory reflects moderate underdog positioning, suggesting Cubs favouritism in the market's current assessment. This single-game resolution sits within MLB's standard ruleset: postponements extend the market window, whilst cancellations without makeup games or ties trigger 50-50 splits.

Historical matchup data and recent form provide calibration points for evaluating this probability. The Giants and Cubs have maintained relatively balanced head-to-head records over recent seasons, though Cubs home-field advantage at Wrigley Field typically shifts win probabilities by 2–4 percentage points in their favour. Comparable June regular-season games between these franchises have settled near 52–48 ranges when Cubs played at home, suggesting the current 46% Giants probability incorporates both venue disadvantage and potential roster or pitching matchup concerns.

Traders employing conditional logic or automated monitoring should track starting pitcher announcements, which typically arrive 48–72 hours before first pitch. Injury updates to key position players—particularly any Giants outfielders or Cubs infielders—can shift probabilities by 3–5 points. Weather conditions at Wrigley, including wind direction and temperature, materially affect run totals and thus game outcomes. Recent performance streaks, bullpen availability, and rest days for relief arms warrant programmatic flagging. MLB's official box score, published immediately post-game, serves as the authoritative settlement source.

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 Bot 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

Where can I trade this market with the lowest fees?

On Polymarket Bot 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.

Is this market available outside the US?

Polymarket Bot 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.

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.

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.