CIEN tangible book value per share history

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

Ciena Corporation Common Stock Tangible Book Value Per Share — Annual fiscal periods
Period ending	Tangible Book Value Per Share
Nov 1, 2025	13.9495
Nov 2, 2024	15.2466
Oct 28, 2023	14.7543
Oct 29, 2022	15.3102
Oct 30, 2021	17.0214
Oct 31, 2020	13.6246
Oct 31, 2019	11.3155
Oct 31, 2018	10.7043
Oct 31, 2017	12.4502
Oct 31, 2016	2.5497
Oct 31, 2015	1.3661
Oct 31, 2014	-1.8745
Oct 31, 2013	-2.6234
Oct 31, 2012	-3.4846
Oct 31, 2011	-3.3151
Oct 31, 2010	-2.8691
Oct 31, 2009	4.3329
Oct 31, 2008	5.0594
Oct 31, 2007	6.4425
Oct 31, 2006	5.1328
Oct 31, 2005	4.6614
Oct 31, 2004	7.2172
Oct 31, 2003	13.8858
Oct 31, 2002	23.9965
Oct 31, 2001	42.6905
Oct 31, 2000	19.8984
Oct 31, 1999	13.5717
Oct 31, 1998	13.5996
Oct 31, 1997	16.8949