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Who will win the Illinois 9th District general election for the US House of Representatives in 2026?

IL-09 General Election 2026 · Nov 3, 2026 · Trading open

Daniel Biss93%
John Elleson7%
$200 vol.

About this market

Traders price Daniel Biss at 93% to win, ahead of John Elleson at 7%.

The market has $200 in volume across 4 trades; the most recent was on Aug 4, 2026.

Trading closes on Dec 4, 2026. The result is confirmed by Illinois State Board of Elections.

This race determines the outcome of the general election for the US House of Representatives in Illinois 9th 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%.

  • Daniel BissResolves Yes if Daniel Biss wins the Illinois 9th District general election for the US House of Representatives in 2026.
  • John EllesonResolves Yes if John Elleson wins the Illinois 9th District general election for the US House of Representatives in 2026.

Result confirmed by Illinois State Board of Elections.

Trading opened
Jan 26, 2026
Trading closes
Dec 4, 2026
Expected result
Dec 4, 2026
Expected payout
Dec 4, 2026

More Illinois 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.