The White House determines a full lid when the president's public schedule concludes for the day, typically announced via the press office after the last event or briefing. For May 18–23, 2026, under President Trump, trader focus centers on the mix of routine Oval Office meetings, executive order signings, and any emerging domestic or foreign policy developments that could extend activities past 6:30 PM ET. Recent weeks have shown afternoon or early-evening lids during periods with limited travel or open-press appearances, while late gaggles, policy announcements, or unscheduled updates have occasionally pushed resolutions later. The week includes standard White House operations with potential for shifts tied to legislative updates or international signals, leaving room for day-to-day variability based on confirmed schedules.