San Francisco Giants vs. Miami Marlins

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Market context

The Giants and Marlins are still set for a Sunday afternoon finish in Miami, and the market’s 0% YES implies traders are treating San Francisco as effectively no chance even before first pitch. That is a sharp move relative to the on-field setup, because the game has been listed with the Giants around -148 on the moneyline, while Miami has been priced as a modest home underdog.[3][2]

Recent comparable framing leans towards San Francisco having the more bankable starting-pitching profile. MLB’s preview notes Logan Webb has thrown at least seven innings and allowed one run or fewer in each of his past three starts, which is the sort of form that usually shortens a game and reduces upset paths for the underdog.[6] At the same time, Miami’s home record has been better than its overall standing suggests, so the market should not read the 0% figure as a normal pre-game win line; it is closer to a statement that either data is stale or the contract has been effectively priced out by updated expectations.[1][3]

For traders, the key catalysts are whether the line-up cards and confirmed starter status match the preview assumptions, and whether there is any pre-game or in-game delay that could push settlement beyond the scheduled window. MLB has the game listed for 1:40pm EDT in Miami, and the market only stays live if it is postponed and later completed; an outright cancellation or tie would force a 50-50 resolution, so weather, venue operations and any schedule changes matter more than usual here.[2][3]

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 Today, 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

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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.