Russian forces have conducted infiltrations into parts of Kupiansk and maintained pressure along the Oskil River axis, yet Ukrainian units retain control of the city and surrounding areas as of late October 2026. Ukrainian counteroffensives, including Operation Vivaldi, produced net territorial gains for Kyiv in the sector between September and mid-October, shrinking Russian footholds north of the city and degrading elements of the Russian 144th Motorized Rifle Division. Russian General Staff claims of major advances or control over Kupiansk have been refuted by Ukrainian spokespersons, with partisan sabotage also disrupting rail supplies to the axis. Ongoing Russian regrouping has not translated into sustained urban capture, while Ukrainian forces continue localized clearing operations. These battlefield dynamics underpin trader assessments that full Russian control remains distant within near-term resolution windows.