Ciena (CIEN) Debt to Equity (2014 - 2026)

Ciena's Debt to Equity history runs 13 years deep, the most recent figure standing at $0.55 for Q1 2026.

• In Q1 2026, Debt to Equity changed 0.37% year-over-year to $0.55; the TTM figure through Jan 2026 stood at $0.55 (changed 0.37% YoY), while the FY2025 annual figure was $0.56, up 2.58% from the prior year.
• Debt to Equity was $0.55 for Q1 2026 at Ciena, down from $0.56 in the prior quarter.
• In the past five years, Debt to Equity ranged from a high of $0.56 in Q4 2025 to a low of $0.39 in Q4 2022.
• Historically, Debt to Equity has averaged $0.53 across 5 years, with a median of $0.55 in 2024.
• The sharpest annual moves came in 2022 and 2024: Debt to Equity soared 75.55% in 2022, then retreated 3.2% in 2024.
• A 5-year view of Debt to Equity shows it stood at $0.39 in 2022, then jumped by 38.68% to $0.55 in 2023, then grew by 0.47% to $0.55 in 2024, then rose by 2.58% to $0.56 in 2025, then retreated by 2.22% to $0.55 in 2026.
• The last three Debt to Equity figures came in at $0.55 (Q1 2026), $0.56 (Q4 2025), and $0.55 (Q3 2025), per Business Quant data.