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Ciena (CIEN) Equity Ratio: 2009-2025

Historic Equity Ratio for Ciena (CIEN) over the last 15 years, with Nov 2025 value amounting to 0.47.

  • Ciena's Equity Ratio fell 6.77% to 0.47 in Q4 2025 from the same period last year, while for Nov 2025 it was 0.47, marking a year-over-year decrease of 6.77%. This contributed to the annual value of 0.47 for FY2025, which is 6.77% down from last year.
  • Per Ciena's latest filing, its Equity Ratio stood at 0.47 for Q4 2025, which was down 4.02% from 0.48 recorded in Q3 2025.
  • In the past 5 years, Ciena's Equity Ratio registered a high of 0.63 during Q3 2021, and its lowest value of 0.47 during Q4 2025.
  • Moreover, its 3-year median value for Equity Ratio was 0.50 (2023), whereas its average is 0.50.
  • As far as peak fluctuations go, Ciena's Equity Ratio rose by 7.88% in 2021, and later declined by 13.79% in 2022.
  • Quarterly analysis of 5 years shows Ciena's Equity Ratio stood at 0.62 in 2021, then fell by 13.79% to 0.54 in 2022, then dropped by 4.97% to 0.51 in 2023, then declined by 1.83% to 0.50 in 2024, then declined by 6.77% to 0.47 in 2025.
  • Its last three reported values are 0.47 in Q4 2025, 0.48 for Q3 2025, and 0.49 during Q2 2025.