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House

CA-21 General Election

Nov 3, 2026 · Trading open

$172 vol.
  • Jim CostaDemocratic
    86%
    YesNo
  • Kyle KirklandRepublican
    No trades yet
    YesNo

About this market

Traders price Jim Costa at 86% to win.

The market has $172 in volume across 2 trades; the most recent was on May 8, 2026.

Trading closes on Dec 11, 2026, 3:00 PM ET. The result is confirmed by California Secretary of State Elections Division.

This race determines the outcome of the general election for the US House of Representatives in California 21st District, shaping representation in the US House of Representatives.

Rules and timeline

Each outcome is its own contract. A Yes contract pays $1 if its outcome happens and $0 if not; a No contract pays the reverse. Because the contracts trade separately, their chances don't have to add up to 100%.

  • Jim CostaResolves Yes if Jim Costa wins the California 21st District general election for the US House of Representatives in 2026.
  • Kyle KirklandResolves Yes if Kyle Kirkland wins the California 21st District general election for the US House of Representatives in 2026.

Result confirmed by California Secretary of State Elections Division.

Trading opened
Jan 23, 2026
Trading closes
Dec 11, 2026, 3:00 PM ET
Expected result
Dec 11, 2026
Expected payout
Dec 11, 2026

More California elections

Prices are the last trades on the ForecastEx exchange and can be delayed by about ten minutes. A chance is the price of a Yes contract, not a forecast by Aries. Event contracts involve risk, including the loss of the full amount paid. Information on this page is for informational purposes only and is not investment advice.