TRADING OPEN

    CA-21 House Election Winner — Jim Costa

    Volume

    $21.8K

    $55 24h

    Platforms

    2

    Cross-platform pricing

    Resolution

    Resolves Nov 3, 2026

    ~13 days left

    Category

    Politics

    95¢CHANCE OF YES95%5%
    Yes
    95¢
    Kalshi
    No
    5¢
    Polymarket

    Opens on best-price platform

    Compare & Trade

    2 platforms
    polymarket
    Polymarket
    Best No
    Yes
    97¢
    No
    5¢
    Vol
    $17.2K
    $25 24h
    Trade on Polymarket

    Deposit $10, get $20 Trading Bonus for New Signups

    kalshi
    Kalshi
    Best Yes
    Yes
    95¢
    No
    6¢
    Vol
    $4.5K
    $30 24h
    Trade on Kalshi

    Price History

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    About This Market

    If the House member sworn in for CA-21 for the term beginning in 2027 is a member of the Democratic Party, then the market resolves to Yes.

    Fee Impact at These Prices

    KalshiKalshiat 95¢: exit costs ~0.36¢/contract
    PolymarketPolymarketat 97¢: exit costs ~0¢/contract
    Full calculator

    Market Details

    ResolutionResolves Nov 3, 2026
    Time Left13 days
    Status● Active
    CategoryPolitics

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