Ciena Debt to Equity Ratio 2012-2026 | CIEN
Current and historical debt to equity ratio values for Ciena (CIEN) over the last 10 years. The debt/equity ratio can be defined as a measure of a company's financial leverage calculated by dividing its long-term debt by stockholders' equity. Ciena debt/equity for the three months ending January 31, 2026 was 0.56.
| Ciena Debt/Equity Ratio Historical Data | |||
|---|---|---|---|
| Date | Long Term Debt | Shareholder's Equity | Debt to Equity Ratio |
| 2026-01-31 | $3.10B | $2.79B | 1.11 |
| 2025-10-31 | $3.14B | $2.73B | 1.15 |
| 2025-07-31 | $2.96B | $2.79B | 1.06 |
| 2025-04-30 | $2.88B | $2.78B | 1.04 |
| 2025-01-31 | $2.78B | $2.79B | 1.00 |
| 2024-10-31 | $2.83B | $2.82B | 1.00 |
| 2024-07-31 | $2.68B | $2.89B | 0.93 |
| 2024-04-30 | $2.74B | $2.88B | 0.95 |
| 2024-01-31 | $2.67B | $2.92B | 0.91 |
| 2023-10-31 | $2.75B | $2.85B | 0.97 |
| 2023-07-31 | $2.78B | $2.95B | 0.94 |
| 2023-04-30 | $2.87B | $2.91B | 0.99 |
| 2023-01-31 | $2.83B | $2.84B | 1.00 |
| 2022-10-31 | $2.36B | $2.71B | 0.87 |
| 2022-07-31 | $2.23B | $2.67B | 0.84 |
| 2022-04-30 | $2.18B | $2.78B | 0.78 |
| 2022-01-31 | $2.09B | $2.82B | 0.74 |
| 2021-10-31 | $1.85B | $3.02B | 0.61 |
| 2021-07-31 | $1.73B | $2.92B | 0.59 |
| 2021-04-30 | $1.70B | $2.69B | 0.63 |
| 2021-01-31 | $1.60B | $2.59B | 0.62 |
| 2020-10-31 | $1.67B | $2.51B | 0.67 |
| 2020-07-31 | $1.63B | $2.43B | 0.67 |
| 2020-04-30 | $1.62B | $2.24B | 0.72 |
| 2020-01-31 | $1.64B | $2.19B | 0.75 |
| 2019-10-31 | $1.72B | $2.17B | 0.79 |
| 2019-07-31 | $1.66B | $2.12B | 0.78 |
| 2019-04-30 | $1.62B | $2.06B | 0.79 |
| 2019-01-31 | $1.56B | $2.05B | 0.76 |
| 2018-10-31 | $1.83B | $1.93B | 0.95 |
| 2018-07-31 | $1.84B | $1.78B | 1.04 |
| 2018-04-30 | $1.76B | $1.74B | 1.01 |
| 2018-01-31 | $1.71B | $1.76B | 0.98 |
| 2017-10-31 | $1.82B | $2.14B | 0.85 |
| 2017-07-31 | $1.79B | $0.94B | 1.90 |
| 2017-04-30 | $1.93B | $0.85B | 2.28 |
| 2017-01-31 | $2.06B | $0.80B | 2.58 |
| 2016-10-31 | $2.11B | $0.77B | 2.75 |
| 2016-07-31 | $2.32B | $0.72B | 3.22 |
| 2016-04-30 | $2.31B | $0.67B | 3.46 |
| 2016-01-31 | $1.96B | $0.63B | 3.13 |
| 2015-10-31 | $2.07B | $0.62B | 3.34 |
| 2015-07-31 | $1.99B | $0.18B | 11.17 |
| 2015-04-30 | $1.95B | $0.14B | 14.08 |
| 2015-01-31 | $2.15B | $-0.09B | -24.21 |
| 2014-10-31 | $2.14B | $-0.07B | -30.77 |
| 2014-07-31 | $2.15B | $-0.05B | -47.52 |
| 2014-04-30 | $1.88B | $-0.08B | -23.21 |
| 2014-01-31 | $1.89B | $-0.09B | -21.73 |
| 2013-10-31 | $1.89B | $-0.08B | -22.81 |
| 2013-07-31 | $1.81B | $-0.08B | -21.77 |
| 2013-04-30 | $1.79B | $-0.10B | -18.29 |
| 2013-01-31 | $1.96B | $-0.08B | -24.97 |
| 2012-10-31 | $1.97B | $-0.09B | -22.14 |
| 2012-07-31 | $1.98B | $-0.06B | -32.78 |
| 2012-04-30 | $1.97B | $-0.04B | -47.96 |
| 2012-01-31 | $1.94B | $-0.02B | -91.90 |
| 2011-10-31 | $1.94B | $0.01B | 139.66 |
| 2011-07-31 | $1.91B | $0.03B | 66.85 |
| 2011-04-30 | $1.96B | $0.05B | 39.34 |
| 2011-01-31 | $1.96B | $0.10B | 20.55 |
| 2010-10-31 | $1.96B | $0.16B | 12.30 |
| 2010-07-31 | $1.58B | $0.23B | 6.94 |
| 2010-04-30 | $1.58B | $0.33B | 4.79 |
| 2010-01-31 | $1.07B | $0.41B | 2.61 |
| 2009-10-31 | $1.05B | $0.46B | 2.30 |
| 2009-07-31 | $1.04B | $0.47B | 2.19 |
| 2009-04-30 | $1.02B | $0.49B | 2.08 |
| 2009-01-31 | $1.02B | $0.98B | 1.04 |
| 2008-10-31 | $1.03B | $1.00B | 1.03 |
| 2008-07-31 | $1.04B | $1.02B | 1.02 |
| 2008-04-30 | $1.06B | $1.00B | 1.06 |
| 2008-01-31 | $1.02B | $0.89B | 1.15 |
| 2007-10-31 | $1.57B | $0.85B | 1.84 |
| 2007-07-31 | $1.62B | $0.80B | 2.04 |
| 2007-04-30 | $1.13B | $0.79B | 1.43 |
| 2007-01-31 | $1.09B | $0.77B | 1.42 |
| 2006-10-31 | $1.09B | $0.75B | 1.44 |
| 2006-07-31 | $1.10B | $0.73B | 1.51 |
| 2006-04-30 | $1.10B | $0.73B | 1.51 |
| 2006-01-31 | $0.81B | $0.74B | 1.10 |
| 2005-10-31 | $0.94B | $0.74B | 1.28 |
| 2005-07-31 | $0.94B | $0.98B | 0.96 |
| 2005-04-30 | $0.99B | $1.03B | 0.96 |
| 2005-01-31 | $0.97B | $1.10B | 0.88 |
| 2004-10-31 | $0.98B | $1.15B | 0.85 |
| 2004-07-31 | $0.97B | $1.64B | 0.59 |
| 2004-04-30 | $0.98B | $1.19B | 0.83 |
| 2004-01-31 | $1.00B | $1.26B | 0.79 |
| 2003-10-31 | $1.05B | $1.33B | 0.79 |
| 2003-07-31 | $1.06B | $1.42B | 0.74 |
| 2003-04-30 | $1.07B | $1.36B | 0.78 |
| 2003-01-31 | $1.12B | $1.43B | 0.78 |
| 2002-10-31 | $1.22B | $1.53B | 0.80 |
| 2002-07-31 | $1.36B | $2.27B | 0.60 |
| 2002-04-30 | $1.01B | $1.47B | 0.69 |
| 2002-01-31 | $1.15B | $2.07B | 0.56 |
| 2001-10-31 | $1.19B | $2.13B | 0.56 |
| 2001-07-31 | $1.18B | $3.90B | 0.30 |
| 2001-04-30 | $1.17B | $3.86B | 0.31 |
| 2001-01-31 | $0.25B | $0.92B | 0.27 |
| 2000-10-31 | $0.22B | $0.81B | 0.27 |
| 2000-07-31 | $0.17B | $0.68B | 0.26 |
| 2000-04-30 | $0.17B | $0.62B | 0.27 |
| 2000-01-31 | $0.14B | $0.56B | 0.26 |
| 1999-10-31 | $0.15B | $0.53B | 0.28 |
| 1999-07-31 | $0.13B | $0.52B | 0.25 |
| 1999-04-30 | $0.12B | $0.50B | 0.23 |
| 1999-01-31 | $0.11B | $0.48B | 0.23 |
| 1998-10-31 | $0.10B | $0.48B | 0.21 |
| 1998-07-31 | $0.11B | $0.48B | 0.23 |
| 1998-04-30 | $0.12B | $0.46B | 0.26 |
| 1998-01-31 | $0.11B | $0.42B | 0.27 |
| 1997-10-31 | $0.08B | $0.36B | 0.23 |
| 1997-07-31 | $0.10B | $0.30B | 0.32 |
| 1997-04-30 | $0.07B | $0.21B | 0.33 |
| 1997-01-31 | $0.04B | $0.06B | 0.70 |
| 1996-10-31 | $0.02B | $0.05B | 0.48 |
| 1996-07-31 | $0.00B | 0.00 | |
| 1996-04-30 | $0.00B | 0.00 | |
| 1996-01-31 | $0.00B | 0.00 | |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Computer and Technology | Communication Components Manufacturers | $42.994B | $4.770B |
| Ciena Corp. is a leading provider of optical networking equipment, software and services. Its reporting segments are: Networking Platforms, Platform Software & Services, Blue Planet Automation Software & Services, and Global Services. Networking Platforms segment includes networking solutions optimized for the convergence of coherent optical transport, Optical Transport Network switching and packet switching. Its products include the 6500 packet-optical platform, the Waveserver family of products, 6500 Reconfigurable Line System, 5400 family of packet-optical platforms and coherent-optimized edge line system, the 3900 family of service delivery switches and service aggregation switches and the 5000 series of service aggregation platforms. The Platform Software & Services segment provides domain control management, analytics data and planning tools. Blue Planet is a comprehensive, cloud native and standards-based software portfolio that enables customers to realize their digital transformation. | |||
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