Athletics vs. San Francisco Giants

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Active sub-markets

Market context

The Athletics travel to Oracle Park on 23 June for a 9:45PM ET MLB clash against the San Francisco Giants, with the market currently pricing an Athletics win at 18% YES. On Polymarket, this contract trades in USDC on Polygon, where conditional tokens reflect the crowd’s lean toward the Giants despite the Athletics holding a 38-40 record versus the Giants’ 31-46. The 18% implied probability sits notably below the 47% win projection from OddsIndex’s model, suggesting traders are either overvaluing the Giants’ home advantage or reacting to Civale’s 4.91 ERA against Ray’s 4.07 mark[1][4].

Historically, mid-June MLB games between teams with similar win-loss splits often see the home side win by a narrow margin, yet the Athletics’ +1.5 run line at -192 carries medium confidence from OddsIndex, hinting at a potential upset or high-scoring draw[2]. Comparable cases from the 2024 and 2025 seasons show that when the underdog holds a better recent run differential, the market’s initial underpricing of their win chance corrects sharply within 24 hours of game time, especially if the total runs line stays near 8.5[2][5].

Traders should monitor the final pitching confirmation for both teams, as any late change to Civale or Ray could shift the conditional token distribution significantly. The total runs line is set at 8.5 with -124 odds on the over, and recent analysis from Action Network notes the Giants are 16-9 to the over as favourites, though some pros favour the under[1][3]. Watch for any injury updates before the 2026-07-01 settlement window closes, as a postponed game would keep the contract open until completion, preserving the USDC liquidity on-chain.

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 Kalshi 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 Kalshi 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?

Kalshi 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 does it cost to trade on Kalshi UK?

Zero. Kalshi 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.

Do I need to KYC for this market?

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