Bandwidth is trading 9.8% up at $53.77, with no specific after-hours catalyst identified.

  • It fell 13.89% during the September 14 regular session to $48.97.
  • No new company announcement dated September 14 appears on Bandwidth’s investor-relations page.
  • Available coverage does not identify a specific catalyst, leaving the rebound unexplained rather than clearly tied to earnings, guidance, analyst action, or another company-specific event.