The White House press office determines full lids based on the president’s daily public schedule, travel arrangements, and absence of further announcements or events. During May 11-16, President Trump’s itinerary featured domestic appearances such as hosting national champions and a Rose Garden dinner alongside his return from an overseas trip to China, patterns that historically prompt earlier closures especially on weekends. The announced in-town press rotation for the week and lighter Saturday operations further shape expectations, as do any last-minute developments requiring additional briefings or pool coverage. Traders monitor these factors because confirmed public activities or unexpected statements can delay lids past 6:30 PM, while routine or low-profile days accelerate them.