Philadelphia Phillies vs. San Diego Padres

Platform comparison

Active sub-markets

Market context

The Phillies host the Padres on 25 May at 6:40PM ET in Philadelphia, with the conditional token market currently pricing a Phillies victory at 54% on Polygon. This reflects modest favouritism for the home side, though the spread remains tight enough that either outcome commands meaningful backing in USDC liquidity. Settlement occurs after the official final statistics are recorded, with provisions for postponement extending the resolution window through 1 June.

Historical matchups between these franchises show competitive balance across recent seasons. The Phillies hold a slight edge in head-to-head records since 2020, though the Padres have demonstrated capacity to compete effectively on the road. Current regular-season form matters considerably here: the Phillies' home record and recent offensive output against comparable pitching will anchor trader positioning, whilst San Diego's ability to perform in Eastern time zones has proven variable. Late-May contests often reflect teams' true calibration after the season's opening month, making this window particularly informative for directional bets.

Traders should monitor starting pitcher assignments, which typically confirm 24 hours before first pitch and significantly influence conditional token pricing. Injury reports on key position players—particularly any late-breaking developments affecting the Phillies' lineup or the Padres' pitching depth—can shift probability substantially. Weather conditions at Citizens Bank Park on game day may also affect play style and scoring expectations. The settlement window's extension through 1 June accounts for potential postponement, a relevant consideration given late-May weather patterns in the Northeast.

Methodology

We track Philadelphia Phillies 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

Where can I trade this market with the lowest fees?

On PolyGram, 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?

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.

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.