This market will resolve to the calendar date range (ET) of the end date of the Department of Homeland Security shutdown which began on February 14, 2026. The end date of the shutdown will be determined by the date on which the funding bill required to reopen the Department of Homeland Security is signed by the President or otherwise enacted. The announcement of an impending reopen will not qualify. The resolution sources for this market will be information from official U.S. Government sources and a consensus of credible reporting.