Seattle Mariners vs. Pittsburgh Pirates

Platform comparison

Active sub-markets

Market context

The Seattle Mariners, sitting first in the AL West with a 41-40 record, face the Pittsburgh Pirates, who are fourth in the NL Central at 40-40, in an interleague matchup scheduled for 12:35 PM ET on June 25. On Polymarket, this contract currently prices the Mariners’ win at 0% YES, a stark divergence from traditional sportsbooks where Seattle holds a moneyline of -148 to -130, implying a roughly 60% chance of victory. This on-chain pricing, settled in USDC on the Polygon network via conditional tokens, suggests traders are either hedging against a specific outcome or reacting to a liquidity event rather than the underlying team form.

Historically, such extreme dislocations between prediction markets and book odds often precede a correction once new information hits the chain. Comparable cases in MLB markets show that when a team with a clear winning advantage is priced at near-zero probability, it frequently resolves to a standard win once the game commences, unless a specific injury or weather delay is confirmed. The Pirates’ recent 3-2 record in their last five games and their 21-18 road performance against the spread do not justify a 0% implied probability for the Mariners, who are favoured by -1.5 runs across major books.

Traders should monitor the official starting lineups and any late-inning injury reports released before the 12:35 PM ET start, as these are the primary catalysts for price movement. Action Network notes the Pirates are 3-2 against the spread in their last five, but the Mariners’ home-field advantage and run differential remain the key dependencies for this market. If the game is postponed, the contract remains open until completion, but any cancellation without a make-up game would resolve the market at 50-50, a scenario that currently lacks supporting evidence from recent team news.

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Methodology

This page reviews Seattle Mariners vs. Pittsburgh Pirates 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 Polymarket Scam? — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Is this market available outside the US?

Polymarket Scam? 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.

What does it cost to trade on Polymarket Scam??

Zero. Polymarket Scam? 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.