Athletics vs. San Francisco Giants

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Market context

The upcoming MLB game between the Athletics and San Francisco Giants, scheduled for Tuesday, 23 June at 9:45pm ET at Oracle Park in San Francisco, is the real-world event driving this prediction market. The contract resolves to "Athletics" if they win, with a current crowd-implied probability of 28% YES, and settlement occurs in USDC on 1 July 2026, tying the outcome to broader BTC and ETH macro movements if volatility shifts whale flows into on-chain sports derivatives.

Historically, late-June home games for the Giants against the Athletics have seen the home side favoured by 15–20% in similar markets, yet the current 28% figure suggests either an underestimation of the Giants' pitching or an overreaction to the Athletics' recent road losses; comparable cases from 2024 and 2025 show that when the Giants' bullpen ERA dips below 3.50, their win probability in these contracts rises to 45–50%, framing today's 28% as potentially mispriced relative to on-field form[1][2].

Traders should monitor the Giants' starting pitcher announcement for Wednesday, 24 June, as a late change to a weaker reliever could shift the probability significantly, alongside any MLB Network broadcast updates confirming weather conditions at Oracle Park, which could delay play and alter settlement timing[4]; additionally, watch for USDC funding rate spikes on crypto exchanges, as elevated rates often correlate with increased whale activity in prediction markets, potentially amplifying price swings before the 1 July settlement[3].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reads Athletics vs. San Francisco Giants on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, BTC Prediction triggers a quick verification flow that finishes in 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.