Diplomatic efforts to convene a trilateral meeting among U.S. President Donald Trump, Russian President Vladimir Putin, and Ukrainian President Volodymyr Zelenskyy have stalled despite repeated U.S. proposals for technical-level talks by late October 2026. Russia has shown limited urgency, conditioning any Putin-Zelenskyy encounter on territorial concessions and other preconditions that Ukraine has rejected, while bilateral Trump-Putin and Trump-Zelenskyy engagements have produced no firm path to a joint appearance. Ongoing military operations and the narrow window remaining before 2027 reinforce trader expectations that the three leaders will not be seen together, consistent with historical patterns of prolonged negotiation impasses in the conflict.