Tampa Bay Rays vs. New York Yankees

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Active sub-markets

Market context

The Tampa Bay Rays and New York Yankees are set to meet in the Bronx, with the market implying a 43% chance of a Rays win and therefore a modest Yankees edge. That sits close to the book prices noted by NBC Sports, which had the Yankees around -157 and the Rays about +130, so consensus is still leaning home favourite rather than a clear contrarian dog story. Tampa Bay’s stronger overall record and better runs allowed profile give the underdog some case, but New York’s extra power output, with 73 home runs to Tampa Bay’s 41 in ESPN’s season line, is the main reason the price is not closer to a coin flip.

For recent framing, the clubs have already played a tight enough type of game to keep both sides live: ESPN’s live listing shows the Yankees at 80-64 and the Rays at 72-72, while the earlier April meeting highlighted by MLB highlights ended 5-3 to Tampa Bay. That combination is useful for handicapper reading: the Rays can win this series style of game if they keep the run environment controlled, but the Yankees’ home field and punchier offence leave them as the more obvious favourite. If there is value, it is more likely to sit with the Rays as the lower-rated side than with New York at a shortened price.

The main catalysts are the confirmed line-ups, starting pitchers and any late bullpen availability, because those are what can move a game with this sort of pricing. NBC Sports’ preview pointed to an 8.0 total and leaned under, which would favour Tampa Bay if the pitching holds and suppresses the Yankees’ power edge. The game is scheduled for 7:05pm ET, and because this market stays open until completion if postponed, traders should also watch for any weather or schedule disruption that could push the result into a different day rather than a settled nine-inning outcome.

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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

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.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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.

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.