Tampa Bay Rays

    Volume

    $3.4M

    $1.4K 24h

    Platforms

    2

    Cross-platform pricing

    Resolution

    Resolved

    ~0 days left

    Arbitrage

    +34.0¢

    Spread detected

    65¢CHANCE OF YES98%2%
    Yes+1¢
    65¢
    Polymarket
    No-1¢
    Kalshi

    Opens on best-price platform

    Compare & Trade

    2 platforms
    KKalshi
    Best No
    Yes
    100¢
    No
    Vol
    $3.0M
    $6 24h
    Trade on Kalshi
    PPolymarket
    Best Yes
    Yes
    65¢
    No
    36¢
    Vol
    $324.2K
    $706 24h
    Trade on Polymarket

    Price History

    May 27 11:00May 28 15:00May 29 20:00May 31 00:00Jun 1 03:00Jun 2 08:2653¢58¢63¢70¢

    About This Market

    In the upcoming MLB game between the Tampa Bay Rays and Boston Red Sox, scheduled for May 9 at 4:10PM ET: This market will resolve to "Tampa Bay Rays" if the Tampa Bay Rays win the game. This market will resolve to "Boston Red Sox" if the Boston Red Sox win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.

    How This Resolves

    PPolymarket

    Source: UMA oracle / Polymarket resolution committee

    Rule: Resolves YES if the specified team wins. Admin review possible if unusual circumstances occur.

    KKalshi

    Source: Official league/governing body results

    Rule: Resolves YES if the specified team wins as confirmed by official results within 48 hours of event.

    Different resolution sources can explain price gaps between platforms. Check both rules before interpreting a spread as an opportunity.

    Market Quality

    Kalshi:Broad consensus
    Poly:Concentrated
    Vol: $2.1M / $8.4M · Largest pos: <4% / ~18%

    Fee Impact at These Prices

    PPolymarketat 65¢: exit costs ~0¢/contract
    KKalshiat 100¢: exit costs ~0¢/contract
    Full calculator

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