Ciena Corporation Common Stock (CIEN) Debt to Equity & History | Stock Alarm

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Ciena Corporation Common Stock · Debt to Equity

CIEN Debt to Equity

Current (TTM)0.08×retrievedOct 20, 2026

CIEN Debt/Equity (0.00× → 0.08×)

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CIEN debt to equity history

Annual fiscal periods. Dates are reporting period ends; fiscal years can differ from calendar years.

Ciena Corporation Common Stock Debt to Equity — Annual fiscal periods
Period ending	Debt to Equity
Nov 1, 2025	0.5797×
Nov 2, 2024	0.5796×
Oct 28, 2023	0.5818×
Oct 29, 2022	0.4373×
Oct 30, 2021	0.2661×
Oct 31, 2020	0.33×
Oct 31, 2019	0.3477×
Oct 31, 2018	0.3594×
Oct 31, 2017	0.4381×
Oct 31, 2016	1.6818×
Oct 31, 2015	2.0522×
Oct 31, 2014	-21.0422×
Oct 31, 2013	-14.6597×
Oct 31, 2012	-16.2075×
Oct 31, 2011	103.9691×
Oct 31, 2010	9.1601×
Oct 31, 2009	1.7694×
Oct 31, 2008	0.7988×
Oct 31, 2007	1.5788×
Oct 31, 2006	1.1611×
Oct 31, 2005	0.8822×
Oct 31, 2004	0.5977×
Oct 31, 2003	0.5949×
Oct 31, 2002	0.5563×
Oct 31, 2001	0.409×
Oct 31, 2000	0.0069×
Oct 31, 1999	0.0111×
Oct 31, 1998	0×
Oct 31, 1997	0×

Data is provided for informational purposes only and does not constitute investment advice. Past performance is not indicative of future results.