Tampa Bay Rays vs. New York Yankees

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Active sub-markets

Market context

The Tampa Bay Rays meet the New York Yankees in a May 22 divisional game in New York, with the market priced at 43% for a Rays win. That sits in the lower-40s rather than the mid-40s, suggesting the contract is being treated as a slight underdog position for Tampa Bay rather than a coin-flip outcome. Against the recent head-to-head backdrop, that is not an extreme number: the Yankees have the stronger all-time record in the matchup, but Tampa Bay has still taken a meaningful share of meetings and has already beaten New York in this series this month, including a 5-4 walk-off win in extra innings. Recent comparable results therefore point to a competitive game rather than a one-sided favourite case.

The main catalysts are the starting pitcher confirmations, late lineup changes and any bullpen availability created by the schedule. Tampa Bay’s opener against New York earlier in the week was won behind Yandy Díaz’s home run and a solid pitching effort, while MLB’s coverage also shows the Yankees were in action against Toronto on 21 May, so short-rest and bullpen usage may matter if either side leaned heavily on relievers. Recent reports around the Yankees have also highlighted Aaron Judge’s power form, including his 15th home run of the season, which keeps New York’s run-scoring profile elevated. If sportsbook money moves materially after line-ups are posted, the market’s 43% may be compared against a stronger or weaker pre-match price rather than the headline number alone.

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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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

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.