Athletics vs. San Diego Padres

Platform comparison

Active sub-markets

Market context

The Athletics are due to face the San Diego Padres at Petco Park, with the contract currently pricing the A’s around 47% to win. That sits below ESPN’s pre-match moneyline, which had San Diego at -126, implying roughly a 56% home-win chance before vig, so the market is effectively giving Oakland a slightly better shot than the sportsbook. Recent form does not point strongly either way: Oakland entered on a three-game winning run and sat 26-24, while San Diego was 29-20 but had dropped two straight. On raw team output, the Padres still held the edge in most season-to-date hitting metrics, with a higher average, on-base rate and slugging percentage than the A’s, which is consistent with them being narrow favourites rather than heavy ones.

For comparison, this kind of mid-40s price often reflects a game where the market expects a fairly even contest but still gives the home side a small structural edge. A 47% YES line on Oakland is not far from a coin flip, and it leaves room for movement if line-ups or pitching confirmations shift. MLB.com’s preview for the next listed meeting on 24 May suggests the series was still active and subject to the usual late adjustments, so traders should watch for any changes to starting pitchers, resting patterns and whether the game proceeds as originally scheduled. The fact the market remains open until completion also matters: if the game were postponed, the settlement would wait, and any makeup date would keep the contract live.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Athletics vs. San Diego Padres across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

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 PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram 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.