Tampa Bay Rays vs. New York Yankees

Platform comparison

Active sub-markets

Market context

The Tampa Bay Rays travel to face the New York Yankees on 24 May at 1:35 PM ET, with the market currently pricing the Rays' chances at 44 per cent. This represents a modest underdog position for Tampa Bay, reflecting the Yankees' stronger recent form and home-field advantage at Yankee Stadium. The settlement window extends to 31 May, allowing for fixture rescheduling should weather or other factors force postponement.

Historically, the Yankees have held a significant edge in this matchup over the past five seasons, winning roughly 55–60 per cent of regular-season contests against Tampa Bay. However, the Rays' divisional record against New York has tightened considerably when playing at home, suggesting the dynamic shifts meaningfully with venue. The current 44 per cent probability sits broadly in line with pre-game models that account for the Yankees' recent winning streak and Tampa Bay's inconsistent offensive output through late May.

Key variables for traders centre on starting pitcher announcements, which typically arrive 24–48 hours before first pitch. Injury updates to either roster—particularly among position players or relief arms—can shift the implied probability by 3–5 percentage points. Weather forecasts for the Bronx should be monitored, as afternoon games in late May occasionally face delays. Recent MLB.com reports indicate both teams are at near-full strength heading into this fixture, though the Yankees' bullpen depth remains a marginal advantage in close contests.

Methodology

This page reviews Tampa Bay Rays vs. New York Yankees across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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 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 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.