US Secretary of State Marco Rubio stated in early October 2026 that Ukraine's NATO accession is not on the table, with Washington prioritizing an end to the Russia-Ukraine war through proposed trilateral talks by late October. NATO membership requires unanimous alliance consensus, which faces barriers from the ongoing conflict, territorial disputes under Article 5, and limited appetite among key members amid active hostilities. Ukrainian President Zelenskyy has signaled openness to alternative, legally binding security guarantees instead of full accession, while Ukraine advances EU integration clusters. Traders assign 98.6% probability to "No" before 2027 due to these structural and diplomatic realities. Late shifts could arise only from an unexpectedly swift ceasefire enabling rapid consensus or major policy reversals by NATO capitals, though current timelines make such developments improbable within the resolution window.