Ciena CIEN Debt-to-equity
Debt-to-equity at other companies
Other financials
Where this comes from
Calculated from Ciena’s reported figures.
Based on the most recent quarter.
The official record: Ciena’s 10-Q, filed June 4, 2026, on SEC EDGAR. View the filing →
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Questions, answered.
- What is Ciena's debt-to-equity?
- Ciena (CIEN) reported debt-to-equity of 0.5× in Q1 2026.
- How has Ciena's debt-to-equity changed year-over-year?
- Ciena's debt-to-equity decreased by 4.8% year-over-year, from 0.6× to 0.5×.
- What is the long-term trend for Ciena's debt-to-equity?
- Over 4 years (2021 to 2025), Ciena's debt-to-equity has grown at a 52.9% compound annual growth rate (CAGR), from 0.4× to 2.3×.
- What does debt-to-equity mean?
- How much debt the company carries for every dollar of shareholder equity.
- How do you interpret debt-to-equity?
- Lower is generally safer, but moderate leverage can boost returns. Read in the context of cash-flow stability — a utility tolerates more debt than a cyclical. Negative equity makes the ratio meaningless and it is suppressed there.
- How does debt-to-equity compare across companies?
- Comparable within an industry; capital structures differ sharply across sectors. Not meaningful for banks.