Debt to Equity

0.08×

Quarterly · Period ending: Aug 1, 2026

CIEN Debt to Equity

Latest reported0.08×period endingAug 1, 2026

CIEN Quarterly Debt/Equity (0.06× → 0.08×)

Latest values, visible window

High-resolution chart · PNG

CIEN debt to equity history

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

Ciena Corporation Common Stock Debt to Equity — Quarterly
Period ending	Debt to Equity
Aug 1, 2026	0.0776×
May 2, 2026	0.5465×
Jan 31, 2026	0.5689×
Nov 1, 2025	0.5797×
Aug 2, 2025	0.5695×
May 3, 2025	0.5722×
Feb 1, 2025	0.5651×
Nov 2, 2024	0.5796×
Jul 27, 2024	0.5523×
Apr 27, 2024	0.5559×
Jan 27, 2024	0.5501×
Oct 31, 2023	0.5818×
Jul 29, 2023	0.5465×
Apr 29, 2023	0.5568×
Jan 28, 2023	0.5735×
Oct 31, 2022	0.4373×
Jul 30, 2022	0.4257×
Apr 30, 2022	0.4057×
Jan 29, 2022	0.4016×
Oct 31, 2021	0.2661×
Jul 31, 2021	0.2562×
May 1, 2021	0.2798×
Jan 30, 2021	0.2934×
Oct 31, 2020	0.33×
Aug 1, 2020	0.3114×
May 2, 2020	0.3372×
Jan 31, 2020	0.3463×
Oct 31, 2019	0.3477×
Jul 31, 2019	0.3251×
Apr 30, 2019	0.3346×
Jan 31, 2019	0.3368×
Oct 31, 2018	0.3594×
Jul 31, 2018	0.5285×
Apr 30, 2018	0.5382×
Jan 31, 2018	0.5338×
Oct 31, 2017	0.4381×
Jul 31, 2017	1.0755×
Apr 30, 2017	1.3742×
Jan 31, 2017	1.5475×
Oct 31, 2016	1.6707×
Jul 31, 2016	2.0913×
Apr 30, 2016	2.2576×
Jan 31, 2016	2.0108×
Oct 31, 2015	2.0522×
Aug 1, 2015	7.3069×
May 2, 2015	9.221×
Jan 31, 2015	-16.5453×
Oct 31, 2014	-21.0422×
Jul 31, 2014	-32.4273×
Apr 30, 2014	-15.0209×
Jan 31, 2014	-13.9665×
Oct 31, 2013	-14.6597×
Jul 31, 2013	-14.5598×
Apr 30, 2013	-12.353×
Jan 31, 2013	-18.1211×
Oct 31, 2012	-16.2075×
Jul 31, 2012	-23.9322×
Apr 30, 2012	-35.1163×
Jan 31, 2012	-68.3415×
Oct 31, 2011	103.9691×
Jul 31, 2011	50.4865×
Apr 30, 2011	29.4088×
Jan 31, 2011	15.356×
Oct 31, 2010	9.1601×
Jul 31, 2010	5.1582×
Apr 30, 2010	3.6274×
Jan 31, 2010	1.9878×
Oct 31, 2009	1.7694×
Jul 31, 2009	1.7025×
Apr 30, 2009	1.6452×
Jan 31, 2009	0.8125×
Oct 31, 2008	0.7988×
Jul 31, 2008	0.7932×
Apr 30, 2008	0.8022×
Jan 31, 2008	0.8998×
Oct 31, 2007	1.5788×
Jul 31, 2007	1.7318×
Apr 30, 2007	1.1091×
Jan 31, 2007	1.1356×
Oct 31, 2006	1.1611×
Jul 31, 2006	1.2151×
Apr 30, 2006	1.1621×
Jan 31, 2006	0.7377×
Oct 31, 2005	0.8822×
Jul 31, 2005	0.6596×
Apr 30, 2005	0.6696×
Jan 31, 2005	0.6288×
Oct 31, 2004	0.5977×
Jul 31, 2004	0.4547×
Apr 30, 2004	0.6254×
Jan 31, 2004	0.5926×
Oct 31, 2003	0.5949×
Jul 31, 2003	0.5153×
Apr 30, 2003	0.5373×
Jan 31, 2003	0.5098×
Oct 31, 2002	0.5563×
Jul 31, 2002	0.404×
Apr 30, 2002	0.4713×
Jan 31, 2002	0.4223×
Oct 31, 2001	0.409×