Ukrainian President Volodymyr Zelenskyy proposed trilateral talks with U.S. President Donald Trump and Russian President Vladimir Putin on an energy ceasefire, while Secretary of State Marco Rubio said Ukraine had recently targeted American-linked ships and oil supplies, probably unintentionally. The developments came as Trump prepared to meet Zelenskyy at the U.N. General Assembly and continued pressing for an end to the Russia-Ukraine war. Prediction markets priced a 21% chance of a ceasefire agreement by December 31, 2026, while Brent record-high odds stood at 0.5% by September 30 and 10.5% by December 31 as supply disruptions eased.