Ongoing war with Russia, absent alliance consensus on extending Article 5 guarantees, and explicit U.S. opposition under President Trump have kept NATO accession off the table, as confirmed at the July 2026 Ankara summit where allies pledged sustained €70 billion in military aid yet issued no membership invitation or timeline. Recent comments from former Ukrainian commander Valerii Zaluzhnyi reinforced barriers, noting Ukraine's forces do not meet alliance standards amid outdated doctrines and active conflict. With only months remaining before 2027, these structural and procedural hurdles sustain trader consensus against accession. Late diplomatic breakthroughs, such as a verifiable ceasefire enabling rapid ratification, or shifts in key member positions could still alter probabilities, though historical precedent shows such processes typically require years even without hostilities.