Boston Red Sox vs. New York Yankees

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Market context

On 7 June at 1:35 PM ET, the Boston Red Sox will face the New York Yankees in an MLB regular-season matchup. A YES share in this market represents a bet on a Red Sox victory; a NO share represents a Yankees win. The current crowd-implied probability of 44% for YES indicates the market is pricing the Yankees as slight favourites, though the gap is narrow enough to suggest genuine uncertainty about the outcome.

The Red Sox–Yankees rivalry carries historical weight that shapes how traders should interpret baseline probabilities. Since 2000, the Yankees have won roughly 54% of regular-season meetings between the clubs, a modest but consistent edge. However, seasonal context matters considerably: teams' records at the point of fixture, recent form, and injury status shift these historical ratios substantially. The 44% YES probability sits close to the long-run split, suggesting traders are not yet factoring in team-specific performance data from early June 2026.

Key variables to monitor include starting pitcher assignments, which typically emerge 24–48 hours before game time, and any roster updates affecting either team's lineup depth. Weather conditions at Fenway Park—particularly wind direction and temperature—can favour either club depending on their batting profiles. Travel schedules and rest days in the preceding week also influence performance. The settlement window closes on 14 June, allowing seven days for postponements or make-up games should weather or other circumstances delay the original fixture. Traders should refresh their information as game day approaches, since late-breaking injury reports or bullpen availability often shift market prices meaningfully in the final hours.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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?

On Prediction Market UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

What does it cost to trade on Prediction Market UK?

Zero. Prediction Market UK 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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Market UK triggers a quick verification flow that finishes in 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.