Trump’s September 22, 2026, signing of a trilateral Arctic security agreement with Danish and Greenlandic leaders occurred at the UN General Assembly in New York rather than on the island itself, granting expanded U.S. military access, new basing rights at Narsarsuaq and Mestersvig, and veto power over adversary investments while preserving Danish sovereignty. No subsequent travel plans or official itineraries for a presidential visit have been announced, and pending parliamentary ratifications in Copenhagen and Nuuk plus midterm election timing further constrain near-term scheduling. Traders assign low implied probabilities (single digits through October and low teens by year-end) because historical precedent shows no Trump visit despite repeated strategic interest, and current diplomatic momentum centers on remote implementation rather than an on-site presidential trip.