Ongoing conflict with Russia, NATO’s requirement for unanimous member consent, and Ukraine’s need to complete extensive democratic and military reforms continue to block any near-term accession path. The July 2026 Ankara Summit produced a €70 billion aid pledge and recognition of Ukraine as a security contributor but issued no invitation or timeline, consistent with prior summits. Early August statements from former Ukrainian commander Valerii Zaluzhnyi underscored that current force capabilities fall short of alliance standards. Traders therefore assign only a 3.5% chance of membership before 2027. Late developments that could still shift odds include a rapid ceasefire with credible security guarantees, accelerated reforms meeting all criteria, or unexpected consensus among allies despite Russian objections.