Tampa Bay Rays vs. New York Yankees

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Active sub-markets

Market context

The Tampa Bay Rays travel to face the New York Yankees on 24 May at 1:35 PM ET in a regular-season MLB matchup. The current crowd-implied probability of 43% for a Rays victory reflects the Yankees' historical edge in head-to-head competition and their stronger 2026 regular-season record, though the Rays remain competitive within the AL East. Settlement occurs on 31 May at 17:35 UTC, allowing for postponement handling under MLB's standard rescheduling protocols.

Historical matchups between these franchises show the Yankees have won approximately 58% of games since 2020, a baseline that helps contextualise the current 43% probability for Tampa Bay. The Rays' recent performance against top-tier pitching and their bullpen depth have occasionally narrowed this gap, particularly in May when roster health typically favours teams with deeper benches. Comparable AL East contests at similar probability levels have resolved with slight favouritism to the higher-seeded team, though single-game variance remains substantial.

Traders monitoring this market should track starting pitcher announcements, which typically arrive 48–72 hours before game time and materially shift probability. Recent injury reports from both clubs' official rosters and any last-minute lineup changes affect book depth and deposit-driven liquidity. The settlement window's extension to 31 May accommodates weather-related postponements common in late May; traders using SEPA transfers or Klarna deposits should account for funding settlement timelines when positioning ahead of the game, as liquidity spikes often occur within 24 hours of first pitch.

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

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.

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.

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.