Colorado’s 4th Congressional District (CO-04) is currently a vacant seat, having been last represented by Congressman Ken Buck, who resigned on March 22, 2024. A special election to fill this seat until the end of the 118th Congress will be held on June 25, 2024.

This market resolves to whichever person wins the Special Election to be held on June 25, 2024 for Colorado’s 4th Congressional District, as projected by several major news sources, or by the Colorado Secretary of State.

In the event that neither one of the listed candidates is elected U.S. Representative for Colorado’s 4th Congressional District on June 25, 2024, for whatever reason, this market will resolve as None of these candidates.