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Ciena (CIEN) Tax Rate (2016 - 2025)

Historic Tax Rate for Ciena (CIEN) over the last 17 years, with Q4 2025 value amounting to 581.91%.

  • Ciena's Tax Rate fell 6048000.0% to 581.91% in Q4 2025 from the same period last year, while for Nov 2025 it was 21.08%, marking a year-over-year decrease of 88700.0%. This contributed to the annual value of 21.08% for FY2025, which is 88700.0% down from last year.
  • Ciena's Tax Rate amounted to 581.91% in Q4 2025, which was down 6048000.0% from 23.57% recorded in Q3 2025.
  • Ciena's 5-year Tax Rate high stood at 53.79% for Q3 2023, and its period low was 581.91% during Q4 2025.
  • Its 5-year average for Tax Rate is 13.19%, with a median of 18.87% in 2021.
  • As far as peak fluctuations go, Ciena's Tax Rate surged by 974300bps in 2022, and later plummeted by -6048000bps in 2025.
  • Over the past 5 years, Ciena's Tax Rate (Quarter) stood at 19.97% in 2021, then crashed by -41bps to 11.83% in 2022, then crashed by -348bps to 29.33% in 2023, then skyrocketed by 178bps to 22.89% in 2024, then crashed by -2642bps to 581.91% in 2025.
  • Its last three reported values are 581.91% in Q4 2025, 23.57% for Q3 2025, and 52.83% during Q2 2025.