CIEN Pre-Tax Margin - CIENA CORP

Complete source-backed pre-tax margin history.

Available history: 2008-10-31 to 2026-08-01
Data captured: 2026-09-04

Historical Pre-Tax Margin

Date	Pre-Tax Margin
2026-08-01	18.59%
2026-05-02	14.71%
2026-01-31	12.69%
2025-11-01	0.21%
2025-08-02	5.40%
2025-05-03	1.69%
2025-02-01	6.40%
2024-11-02	4.27%
2024-07-27	1.74%
2024-04-27	-1.76%
2024-01-27	6.89%
2023-10-28	6.24%
2023-07-29	6.03%
2023-04-29	7.72%
2023-01-28	9.59%
2022-10-29	6.73%
2022-07-30	1.71%
2022-04-30	4.98%
2022-01-29	6.52%
2021-10-30	12.42%
2021-07-31	14.32%
2021-05-01	14.94%
2021-01-30	8.89%
2020-10-31	10.36%
2020-08-01	18.53%
2020-05-02	13.08%
2020-02-01	8.66%
2020-01-31	8.66%
2019-11-02	8.56%
2019-10-31	8.56%
2019-08-03	12.17%
2019-07-31	12.17%
2019-05-04	8.16%
2019-04-30	8.16%
2019-01-31	5.49%
2018-11-03	5.98%
2018-07-31	8.56%
2018-04-30	2.79%
2018-01-31	0.71%
2017-10-31	5.71%
2017-07-31	9.30%
2017-04-30	5.88%
2017-01-31	0.69%
2016-10-31	6.00%
2016-07-31	5.58%
2016-04-30	2.59%
2016-01-31	-1.79%
2015-10-31	-1.37%
2015-07-31	4.49%
2015-04-30	3.85%
2015-01-31	-3.35%
2014-10-31	-4.47%
2014-07-31	3.18%
2014-04-30	-1.03%
2014-01-31	-2.56%
2013-10-31	-1.90%
2013-07-31	0.13%
2013-04-30	-4.86%
2013-01-31	-9.96%
2012-10-31	-7.79%
2012-07-31	-5.76%
2012-04-30	-5.34%
2012-01-31	-10.95%
2011-10-31	-4.36%
2011-07-31	-6.90%
2011-04-30	-14.55%
2011-01-31	-17.81%
2010-10-31	-18.99%
2010-07-31	-27.77%
2010-04-30	-36.13%
2010-01-31	-29.83%
2009-10-31	-15.95%
2009-07-31	-15.77%

Annual Pre-Tax Margin

Date	Pre-Tax Margin
2025-11-01	3.28%
2024-11-02	2.99%
2023-10-28	7.38%
2022-10-29	5.02%
2021-10-30	12.78%
2020-10-31	12.91%
2019-11-02	8.77%
2019-10-31	8.77%
2018-11-03	4.81%
2018-10-31	4.81%
2017-10-31	5.57%
2016-10-31	3.33%
2015-10-31	0.97%
2014-10-31	-1.17%
2013-10-31	-3.85%
2012-10-31	-7.34%
2011-10-31	-10.78%
2010-10-31	-26.81%
2009-10-31	-89.25%
2008-10-31	4.60%