New York Mets vs. Pittsburgh Pirates

Platform comparison

Market context

The New York Mets are scheduled to play the Pittsburgh Pirates at PNC Park, and the contract is pricing a Mets win at **98% YES** despite the teams coming in on mixed recent form. Pittsburgh beat New York **9-0 on Saturday**, but the Mets had taken the previous two games in the set, including **6-4 on Friday**, which is why recent head-to-head results alone do not fully explain the very high market price.[1][4][3]

Historically, a 98% prediction-market figure is more consistent with a heavy MLB favourite than with a balanced divisional matchup. That makes the current contract look notably tighter than some sportsbook-style snapshots from this series, where one preview put Pittsburgh around **65.8%** to win, implying a meaningful split between exchange-style or model-based pricing and the crowd-implied contract probability.[14] In practical terms, traders should treat the 98% figure as a strong consensus on a Mets result, not as a guarantee: baseball upsets remain routine enough that short-price contracts can still move sharply on late line-up or pitching news.

The main catalysts are the confirmed starting pitchers, any late scratches, and whether the game begins on schedule at **1:35pm ET**; if it is postponed, the market stays open until completion, and only a cancellation or tie would force a 50-50 resolution. Line movement around first pitch matters because same-day baseball odds can reprice quickly when line-ups are posted, especially after a lopsided result the night before and with series momentum changing from game to game.[1][3]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track New York Mets vs. Pittsburgh Pirates across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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 Kalshi vs Polymarket. 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'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 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.