Recent diplomatic developments explain traders' near-certain view that the United States will not acquire Greenland before 2027. In September 2026, President Trump signed a trilateral security agreement with Denmark and Greenland that expands American military access, basing rights, and veto power over adversary investments while explicitly preserving Danish sovereignty and territorial integrity. The pact, which builds on the 1951 defense treaty and remains in force even if Greenland pursues independence, addresses Arctic security priorities without any transfer of ownership. Strong opposition from Danish and Greenlandic officials to any sale or annexation, combined with constitutional requirements for Senate treaty approval and the absence of purchase negotiations, reinforces this consensus. Late shifts could arise only from a breakdown in the new agreement, unexpected Greenland independence talks, or major external pressures before the 2027 deadline.