The near-certain trader consensus against Trump acquiring Greenland before 2027 rests on entrenched sovereignty barriers and Denmark's consistent refusal to entertain territorial transfer. Greenland holds autonomous status within the Kingdom of Denmark, requiring mutual consent for any change in status, and Copenhagen has rejected overtures since the 2019 episode with no subsequent bilateral progress or formal negotiations reported. U.S. executive authority faces practical limits without Danish parliamentary approval or Greenlandic referendum support, while the compressed timeline leaves scant room for diplomatic breakthroughs amid competing foreign policy priorities. Realistic shifts could still arise from unforeseen security pacts, major geopolitical realignments, or sudden policy reversals by Danish or Greenlandic officials, though current conditions show no such catalysts.