What is the current annual gross margin of CIEN?

As of today, CIEN annual gross margin is 41.50%

What is 1-year change in CIEN annual gross margin?

CIEN annual gross margin is up +4.32% year-over-year

What is 3-year change in CIEN annual gross margin?

CIEN annual gross margin is up +5.28% over the past 3 years

How far is CIEN annual gross margin from its all-time high?

CIEN annual gross margin is currently -34.72% below its historical high of 63.57% set on October 31, 1997

How does CIEN annual gross margin rank versus sector peers?

CIEN annual gross margin is higher than 50.50% of companies in Technology sector

When is CIEN next annual earnings release?

The next annual earnings release for CIEN is on December 10, 2026

What is the current quarterly gross margin of CIEN?

As of today, CIEN quarterly gross margin is 43.10%

What is CIEN quarterly gross margin most recent change?

CIEN quarterly gross margin was up +3.66% on July 1, 2026

What is 1-year change in CIEN quarterly gross margin?

CIEN quarterly gross margin is up +11.89% year-over-year

How far is CIEN quarterly gross margin from its all-time high?

CIEN quarterly gross margin is currently -35.98% below its historical high of 67.32% set on October 31, 1999

How does CIEN quarterly gross margin rank versus sector peers?

CIEN quarterly gross margin is higher than 48.36% of companies in Technology sector

When is CIEN next earnings release?

The next earnings release for CIEN is on December 10, 2026

CIEN Gross Margin History & Chart Since 1996

Annual Gross Margin

41.50%1.72%+4.32%

October 1, 2025

Summary

Current Value: As of today, CIEN annual gross margin is 41.50%, up +4.32% on October 1, 2025
Historical Performance: CIEN annual gross margin is up +5.28% over the past 3 years, down -4.53% over the past 5 years
All-Time High Comparison: CIEN annual gross margin is currently -34.72% below its historical high of 63.57% set on October 31, 1997
3-Year Low Comparison: CIEN annual gross margin is +5.28% above its 3-year low of 39.42% reached on an earlier date
Sector Comparison: CIEN annual gross margin is higher than 50.50% of companies in Technology sector

Gross Margin Chart

beforeafter

Performance

CIEN Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Gross Margin	Oct 1, 25	41.50%	+4.3%	+5.3%	-4.5%	+44.5%
Quarterly Gross Margin	Jul 1, 26	43.10%	+11.9%	+10.6%	-4.1%	+20.4%
Price	Sep 9, 26	$340.13	+178.4%	+605.4%	+513.0%	+2610.2%
PE Ratio	Sep 9, 26	75.90	-39.9%	+132.8%	+302.9%	–
Annual Revenue	Oct 1, 25	$4.77B	+18.8%	+31.3%	+35.0%	+285.7%
Annual Gross Profit	Oct 1, 25	$1.98B	+23.9%	+38.2%	+28.9%	+457.0%
Annual Operating Margin	Oct 1, 25	6.52%	+37.0%	-7.9%	-55.2%	+135.7%
Annual Net Margin	Oct 1, 25	2.59%	+23.9%	-38.5%	-74.7%	+109.6%

Gross Margin Highs

CIEN Annual Gross Margin Highs Comparison
Period	High	Date	Current
3Y	41.50%	Oct 1, 25	at high
5Y	44.25%	Oct 30, 21	-6.2%
All	63.57%	Oct 31, 97	-34.7%

Gross Margin Lows

CIEN Annual Gross Margin Lows Comparison
Period	Low	Date	Current
3Y	39.42%	N/A	+5.3%
5Y	39.42%	Oct 29, 22	+5.3%
All	-101.31%	Oct 31, 02	+141.0%

Gross Margin History

Year	Value	Change
2025	41.50%	+4.3%
2024	39.78%	-0.2%
2023	39.87%	+1.1%
2022	39.42%	-10.9%
2021	44.25%	+1.8%
2020	43.47%	+8.4%
2019	40.11%	+2.2%
2018	39.26%	-3.1%
2017	40.53%	+1.7%
2016	39.86%	+2.6%
2015	38.85%	+5.0%
2014	37.00%	+1.4%
2013	36.48%	+9.1%
2012	33.45%	+0.6%
2011	33.26%	+15.8%

Year	Value	Change
2010	28.73%	-27.9%
2009	39.84%	-14.1%
2008	46.39%	+7.4%
2007	43.21%	+4.8%
2006	41.24%	+192.9%
2005	14.08%	+219.6%
2004	-11.77%	-61.2%
2003	-7.30%	+92.8%
2002	-101.31%	-490.9%
2001	25.92%	-41.6%
2000	44.41%	+17.4%
1999	37.82%	-23.8%
1998	49.61%	-22.0%
1997	63.57%	+5.7%
1996	60.17%	-

FAQ

What is the current annual gross margin of CIEN?: As of today, CIEN annual gross margin is 41.50%
What is 1-year change in CIEN annual gross margin?: CIEN annual gross margin is up +4.32% year-over-year
What is 3-year change in CIEN annual gross margin?: CIEN annual gross margin is up +5.28% over the past 3 years
How far is CIEN annual gross margin from its all-time high?: CIEN annual gross margin is currently -34.72% below its historical high of 63.57% set on October 31, 1997
How does CIEN annual gross margin rank versus sector peers?: CIEN annual gross margin is higher than 50.50% of companies in Technology sector
When is CIEN next annual earnings release?: The next annual earnings release for CIEN is on December 10, 2026

Gross Margin Formula

Gross Margin = Gross Profit

Revenue × 100%

Quarterly Gross Margin

43.10%1.52%+3.66%

July 1, 2026

Summary

Current Value: As of today, CIEN quarterly gross margin is 43.10%, up +3.66% on July 1, 2026
Historical Performance: CIEN quarterly gross margin is up +11.89% year-over-year, up +10.60% over the past 3 years
All-Time High Comparison: CIEN quarterly gross margin is currently -35.98% below its historical high of 67.32% set on October 31, 1999
3-Year Low Comparison: CIEN quarterly gross margin is +15.21% above its 3-year low of 37.41% reached on April 1, 2025
Sector Comparison: CIEN quarterly gross margin is higher than 48.36% of companies in Technology sector

Performance

CIEN Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Gross Margin	Jul 1, 26	43.10%	+3.7%	+11.9%	+10.6%	-4.1%
Annual Gross Margin	Oct 1, 25	41.50%	–	+4.3%	+5.3%	-4.5%
Price	Sep 9, 26	$340.13	-22.6%	+178.4%	+605.4%	+513.0%
PE Ratio	Sep 9, 26	75.90	-48.1%	-39.9%	+132.8%	+302.9%
Quarterly Revenue	Jul 1, 26	$1.67B	+6.4%	+37.0%	+56.5%	+69.1%
Quarterly Gross Profit	Jul 1, 26	$720.23M	+10.3%	+53.4%	+73.1%	+62.2%
Quarterly Operating Margin	Jul 1, 26	18.08%	+18.9%	+192.6%	+134.2%	+12.7%
Quarterly Net Margin	Jul 1, 26	15.94%	+14.8%	+286.0%	+473.4%	-33.9%

Quarterly Gross Margin Highs

CIEN Quarterly Gross Margin Highs Comparison
Period	High	Date	Current
1Y	43.10%	Jul 1, 26	at high
3Y	43.10%	Jul 1, 26	at high
5Y	44.93%	N/A	-4.1%
All	67.32%	Oct 31, 99	-36.0%

Quarterly Gross Margin Lows

CIEN Quarterly Gross Margin Lows Comparison
Period	Low	Date	Current
1Y	38.52%	N/A	+11.9%
3Y	37.41%	Apr 1, 25	+15.2%
5Y	35.67%	Jul 30, 22	+20.8%
All	-259.11%	Apr 30, 02	+116.6%

Quarterly Gross Margin History

Month	Value	Change
Jul 2026	43.10%	+3.7%
Apr 2026	41.58%	+0.8%
Jan 2026	41.24%	+2.6%
Oct 2025	40.21%	+4.4%
Jul 2025	38.52%	+3.0%
Apr 2025	37.41%	-9.0%
Jan 2025	41.09%	+7.7%
Oct 2024	38.16%	-3.8%
Jul 2024	39.67%	+1.1%
Apr 2024	39.25%	-6.8%
Jan 2024	42.10%	+5.1%
Oct 2023	40.05%	+2.8%
Jul 2023	38.97%	-2.8%
Apr 2023	40.10%	-0.6%
Jan 2023	40.35%	-2.1%
Oct 2022	41.21%	+15.5%
Jul 2022	35.67%	-8.6%
Apr 2022	39.03%	-6.3%
Jan 2022	41.64%	-3.0%
Oct 2021	42.92%	-4.5%
Jul 2021	44.93%	-2.0%
Apr 2021	45.84%	+5.5%
Jan 2021	43.43%	-4.0%
Oct 2020	45.26%	+1.2%
Jul 2020	44.73%	+3.9%
Apr 2020	43.05%	+5.8%
Jan 2020	40.69%	+0.5%
Oct 2019	40.49%	-2.0%
Jul 2019	41.30%	+2.8%
Apr 2019	40.19%	+5.6%
Jan 2019	38.06%	-8.1%
Oct 2018	41.40%	+4.0%
Jul 2018	39.81%	+5.7%
Apr 2018	37.68%	-3.4%
Jan 2018	39.00%	-3.4%
Oct 2017	40.39%	-4.1%
Jul 2017	42.10%	+2.6%
Apr 2017	41.05%	+5.0%
Jan 2017	39.11%	-2.5%
Oct 2016	40.10%	-3.1%
Jul 2016	41.39%	+5.3%
Apr 2016	39.29%	+2.3%
Jan 2016	38.41%	+5.4%
Oct 2015	36.45%	-10.1%
Jul 2015	40.56%	+1.7%
Apr 2015	39.87%	+2.7%
Jan 2015	38.84%	+17.3%
Oct 2014	33.11%	-16.3%
Jul 2014	39.54%	+4.3%
Apr 2014	37.92%	+1.1%
Jan 2014	37.49%	+3.4%
Oct 2013	36.25%	-3.4%
Jul 2013	37.53%	+4.1%
Apr 2013	36.04%	-3.1%
Jan 2013	37.21%	+1.9%
Oct 2012	36.53%	+12.3%
Jul 2012	32.52%	-0.2%
Apr 2012	32.58%	-2.7%
Jan 2012	33.49%	-8.6%
Oct 2011	36.63%	+2.3%

Month	Value	Change
Jul 2011	35.80%	+8.9%
Apr 2011	32.86%	+13.7%
Jan 2011	28.89%	+3.8%
Oct 2010	27.82%	+3.0%
Jul 2010	27.02%	-30.3%
Apr 2010	38.78%	-8.1%
Jan 2010	42.18%	+3.8%
Oct 2009	40.64%	-2.2%
Jul 2009	41.54%	+9.9%
Apr 2009	37.79%	-3.3%
Jan 2009	39.09%	-3.5%
Oct 2008	40.50%	-12.3%
Jul 2008	46.20%	-5.8%
Apr 2008	49.07%	+1.4%
Jan 2008	48.41%	+1.9%
Oct 2007	47.50%	+6.6%
Jul 2007	44.58%	+14.2%
Apr 2007	39.03%	-4.3%
Jan 2007	40.78%	-1.9%
Oct 2006	41.55%	-3.1%
Jul 2006	42.87%	-0.7%
Apr 2006	43.16%	+17.7%
Jan 2006	36.67%	+39.3%
Oct 2005	26.32%	+3.9%
Jul 2005	25.32%	+55.1%
Apr 2005	16.33%	+11.9%
Jan 2005	14.59%	-50.5%
Oct 2004	29.49%	+263.6%
Jul 2004	8.11%	+25.5%
Apr 2004	6.46%	-76.4%
Jan 2004	27.40%	-12.1%
Oct 2003	31.18%	+77.1%
Jul 2003	17.61%	-12.5%
Apr 2003	20.12%	+11.5%
Jan 2003	18.04%	+102.2%
Oct 2002	8.92%	+110.0%
Jul 2002	-88.88%	+65.7%
Apr 2002	-259.11%	-2,133.8%
Jan 2002	12.74%	+244.3%
Oct 2001	-8.83%	-133.3%
Jul 2001	26.50%	-34.4%
Apr 2001	40.39%	-11.2%
Jan 2001	45.50%	-24.9%
Oct 2000	60.59%	+59.1%
Jul 2000	38.09%	+5.7%
Apr 2000	36.05%	+6.9%
Jan 2000	33.71%	-49.9%
Oct 1999	67.32%	+142.4%
Jul 1999	27.77%	+10.0%
Apr 1999	25.25%	+9.1%
Jan 1999	23.14%	-58.9%
Oct 1998	56.30%	+46.1%
Jul 1998	38.54%	-22.4%
Apr 1998	49.68%	-14.1%
Jan 1998	57.84%	-10.6%
Oct 1997	64.72%	+3.5%
Jul 1997	62.56%	-4.5%
Apr 1997	65.51%	+3.5%
Jan 1997	63.27%	-

FAQ

What is the current quarterly gross margin of CIEN?: As of today, CIEN quarterly gross margin is 43.10%
What is CIEN quarterly gross margin most recent change?: CIEN quarterly gross margin was up +3.66% on July 1, 2026
What is 1-year change in CIEN quarterly gross margin?: CIEN quarterly gross margin is up +11.89% year-over-year
How far is CIEN quarterly gross margin from its all-time high?: CIEN quarterly gross margin is currently -35.98% below its historical high of 67.32% set on October 31, 1999
How does CIEN quarterly gross margin rank versus sector peers?: CIEN quarterly gross margin is higher than 48.36% of companies in Technology sector
When is CIEN next earnings release?: The next earnings release for CIEN is on December 10, 2026

Gross Margin Formula

Gross Margin = Gross Profit

Revenue × 100%

Data Sources & References

CIEN Official Website www.ciena.com
CIEN Profile on Yahoo Finance finance.yahoo.com/quote/CIEN
CIEN Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/cien