Athletics vs. San Francisco Giants

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Market context

The upcoming MLB game between the Athletics and San Francisco Giants at Oracle Park on 25 June sees first pitch at 3:45pm ET, with the market currently pricing a 47% chance of an Athletics victory. On Polymarket, this conditional token trades at 0.47 USDC on the Polygon network, reflecting a tight contest where the Giants hold a -136 moneyline favourite status and 96% of public moneyline dollars have backed them [1]. The volume sits at $52.5K for the moneyline contract, indicating active on-chain positioning despite the narrow probability spread [3].

Historically, similar late-June matchups between these franchises have resolved with the home side winning roughly 58% of games when favoured by -130 or more, yet the Athletics have covered the +1.5 run line in 62% of their last 20 away games against the Giants [1]. This pattern suggests the current 47% YES price may understate the Athletics’ resilience, as comparable odds in 2024 and 2025 saw the underdog win outright in three of seven instances when the run line was +1.5 [1].

Traders should monitor the starting pitcher Landen Roupp’s performance, who holds a 4.15 ERA and 5-7 record, and check for any late-injury updates to the Giants’ bullpen before the 3:45pm ET deadline [6]. The projected total of 8.5 runs and the “Under” pick at +100 imply a low-scoring affair, which could favour the Athletics if the game stays under 7 runs [1]. Confirm Roupp’s final status via the official MLB roster update released at 2pm ET on the day of the game [4].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Legit?, 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.

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 Legit??

Zero. Polymarket Legit? 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.