Recent diplomatic activity centers on European engagement with Kyiv amid stalled US-mediated ceasefire talks and persistent Russian strikes. The September 18 Carpathian 8 summit in western Ukraine drew multiple regional heads of government and prime ministers, including Poland’s Donald Tusk, directly supporting elevated trader probabilities for such visitors through year-end. US envoys Steve Witkoff and Jared Kushner have conducted or planned Kyiv stops tied to negotiations, while broader European support continues via NATO and EU channels. High-profile US figures like President Trump register low implied odds, consistent with emphasis on calls and indirect diplomacy over personal travel. Scheduled summits, bilateral meetings, and any breakthrough in peace efforts could shift probabilities before December 31.