New York Yankees vs. Boston Red Sox

Platform comparison

Active sub-markets

Market context

The New York Yankees and Boston Red Sox face off in a pivotal MLB game on 27 June at 1:10PM ET, with the market currently pricing a Yankees victory at 26% despite their historical dominance in the rivalry. This low probability mirrors how Eurovision splits its 50/50 jury and televote results, where public sentiment can diverge sharply from expert or historical weighting, just as the Oscars use preferential ballots to capture nuanced voter preferences rather than simple majority wins. In the Yankees–Red Sox rivalry, the Yankees have won 17 of 28 all-time games, yet recent form shows a stark reversal: the Red Sox won 6–1 yesterday and hold a 48–33 record advantage over the Yankees in their last 10 meetings, suggesting the crowd is reacting to current momentum rather than long-term precedent[1][2][3].

Traders should monitor pitching lineups announced by 10:00AM ET, weather forecasts for the Bronx, and any injury updates on key players, as these dependencies can swing the outcome significantly. The Red Sox’s recent 6–1 victory over the Yankees on 26 June underscores their current cultural narrative momentum, while the Yankees’ 1–8 record against Boston in 2025—their worst since 1912—adds weight to the bearish sentiment[3][8]. With the settlement window ending 4 July 2026, any postponement will keep the market open until completion, but a cancellation or tie would resolve 50–50, making lineup stability and weather conditions critical catalysts to watch before the game[1][7].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track New York Yankees vs. Boston Red Sox on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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 PolyGram, 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.

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 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, PolyGram 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.