Pittsburgh Pirates vs. Philadelphia Phillies

Platform comparison

Market context

The Pittsburgh Pirates and Philadelphia Phillies are set to play their final game of a four-game series on 2 July at 12:35 PM ET, with the Pirates having already secured a 6-1 victory in the contest that concluded earlier today[3]. This win split the series, meaning the market’s current 100% YES price for the Pirates reflects a scenario where the game has already been played and the outcome is known, not a forecast of future uncertainty. On Polymarket, this contract trades at the maximum conditional token value because the underlying event has resolved, with USDC payouts locked in via Polygon’s on-chain mechanics for the winning side.

Historically, prediction markets that price at 100% before a game’s scheduled end time usually indicate either a completed result or a postponement where the outcome is already determined by prior play; in this case, the Pirates’ 6-1 win on 2 July confirms the resolution source[3]. Comparable cases from the 2025 MLB season show that when a team wins a game that is part of a split series, markets often lock in immediately once the official final statistics are published by the league, as happened here with ESPN confirming the score[3]. The absence of any tie or cancellation clause activation means the 50-50 fallback is irrelevant, and the resolution is definitive.

Traders should monitor the official final statistics release from MLB and any potential delay announcements, though the game has already concluded with the Pirates winning 6-1[3]. Recent coverage from CBS Sports confirms the final score and timeline, eliminating ambiguity about the result[8]. No further catalysts are needed, as the outcome is settled, and the market will resolve to “Pittsburgh Pirates” per the terms, with conditional tokens automatically redeemable for USDC on the Polygon network.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

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

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.