New York Mets vs. Milwaukee Brewers

Platform comparison

Market context

Polymarket is pricing the New York Mets at **42% yes** on USDC settled through conditional tokens on Polygon, so the market is leaning towards Milwaukee but not treating the game as close to decided. The contract resolves on the official result of the scheduled MLB game between the Mets and Brewers at American Family Field, with a postponed game kept open until completion and a cancelled or tied game reverting to 50-50.

That 42% level is broadly consistent with a live underdog view of the Mets rather than a binary upset price. The scheduled matchup is the third game of the series, and the current schedule listing shows the Mets at 43-59 with Christian Scott and Logan Henderson as the probable starters, though probable pitchers can change before first pitch.[2] For Polymarket users, that means the quote is more sensitive than usual to late lineup and pitching updates, because those details can shift both the baseball edge and the eventual on-chain price discovery before settlement.

The main catalysts to watch are the official line-ups, any starter change, and whether MLB keeps the game on schedule. The listed start is 2:10 pm ET, but the market only settles once the game is officially completed, so a delay or suspension can extend the contract beyond the original window.[1][2] In comparable MLB markets, the biggest moves tend to come from confirmed pitching assignments and late batting-order news, especially in day games where weather and travel decisions can alter availability close to first pitch.[2]

Sources: 1 · 2

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi UK, which mirrors the Polymarket order book directly.

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

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 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.

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.