New York Yankees vs. Boston Red Sox

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Active sub-markets

Market context

The New York Yankees and Boston Red Sox face off at Fenway Park on Saturday, 27 June 2026, at 1:10pm ET, with the Yankees needing a win to secure the market outcome. Current crowd-implied probability assigns only a 7% chance to the Yankees, a stark contrast to their season form, as they sit 48–33 overall and 26–18 away, while the Red Sox languish at 34–46 with a poor 14–25 home record[3][4].

Historically, such lopsided probabilities in Yankees–Red Sox matchups have rarely held when the Yankees are the superior team on paper; comparable cases from the 2024 and 2025 seasons show that when the Yankees entered a game with a 10+ win advantage in the standings, their win rate exceeded 75%, even at Fenway[1]. The current 7% figure appears to overreact to the Red Sox’s recent six-to-one victory in the first two games of this four-game series, a short-term anomaly that masks the Yankees’ broader dominance[1].

Traders should monitor pre-game pitching announcements, as any late injury to a key Yankees starter could validate the low probability, while a confirmed ace rotation would sharply alter the odds. ESPN’s live coverage notes the Yankees are favoured by 123 points in betting lines, suggesting the market may be mispricing the team’s away strength[4]. Watch for beat-reporter updates on Red Sox bullpen fatigue, which could emerge as a catalyst if the series extends beyond 28 June[3].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, 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?

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 does it cost to trade on PolyGram?

Zero. PolyGram 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.

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.