San Francisco Giants vs. Miami Marlins

Platform comparison

Active sub-markets

Market context

The San Francisco Giants are playing the Miami Marlins at loanDepot Park, with the market resolving to the team that wins the game; if the game is postponed, it stays open until completion, and if it is cancelled or tied it resolves 50-50. In prediction-market terms, a **YES** share pays out if the Giants win, while a **NO** share pays out if the Marlins win, so the current 7% YES price implies the market sees San Francisco as a clear underdog. [1][2]

Recent pricing and form both point in the same direction: bookmakers listed the Giants around -144 to -148 on the moneyline, while the Marlins were priced around +122 to +123, which is consistent with the crowd assigning only a small chance to a Giants result. The comparable framing is that market prices often sit near but not identical to sportsbook odds, because traders also weigh lineup news, bullpen use, and late scratches rather than just pre-game projections. San Francisco entered with a poor season record, while Miami had the better overall record and home advantage, which helps explain why the crowd-implied probability is low. [1][2][6]

The main catalysts to watch are the confirmed starting pitchers, any late lineup changes, and whether the game starts on time or is affected by weather or scheduling adjustments. One preview pointed to Logan Webb for San Francisco and Ryan Gusto for Miami, and noted Webb’s recent run prevention as a possible edge for the Giants, while another source still had Miami favoured on the basis of current market lines. If the game is completed as scheduled, the result will settle the market on the final official score; if there is a postponement, traders have to wait, but a cancellation would trigger the 50-50 fallback. [2][3][5]

Sources: 1 · 2 · 3 · 4 · 5

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 Prediction Market 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 Prediction Market 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?

Prediction Market 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.

What does it cost to trade on Prediction Market UK?

Zero. Prediction Market 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 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.