Athletics vs. San Diego Padres

Platform comparison

Active sub-markets

Market context

The Athletics visited the San Diego Padres at Petco Park on 22 May, with the market pricing San Diego only slightly ahead at 47% YES on the Athletics. That is a modest edge for the home side given the records shown in the build-up: the Athletics were 26-24, while the Padres were 29-20. Recent comparable meetings have leaned San Diego’s way as well, with TeamRankings putting the Padres 5-1 up over the last three seasons. That history does not decide a single game, but it does support a market view that the Padres have been the more reliable side in this pairing.

Form-wise, the Padres entered having won three of their last five, and Action Network noted a 4-1 run against the spread in that same stretch. MLB and ESPN listings confirm the game was at Petco, where San Diego had been 14-12 at home at the time shown. The main variables for traders are the starting pitcher confirmations and any late lineup absences, especially if either club gives regulars rest after a run of games. MajorWager flagged San Diego’s offence as one of the more unlucky units by projection, which matters if the market is still underweight on underlying run creation rather than raw results.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Athletics vs. San Diego Padres on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

Is this market available outside the US?

PolyGram 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'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.