What is the current PE ratio of CIEN?

As of today, CIEN PE ratio is 124.96

What is CIEN PE ratio 1-year high?

CIEN PE ratio reached a 1-year high of 305.20 on January 7, 2026

CIEN PE ratio reached a 1-year low of 92.75 on August 22, 2025

CIEN PE ratio is up +34.73% year-over-year

CIEN PE ratio is up +349.50% over the past 3 years

CIEN PE ratio is currently -96.75% below its historical high of 3,843.75 set on January 24, 2000

CIEN PE ratio is higher than 90.43% of companies in Technology sector

124.966.78-5.15%

6 min ago

Current Value: As of today, CIEN PE ratio is 124.96, down -5.15% in the most recent trading session on August 24, 2026
All-time High: CIEN PE ratio is currently -96.75% below its historical high of 3,843.75 set on January 24, 2000
1-Year High: CIEN PE ratio reached a 1-year high of 305.20 on January 7, 2026
1-Year Low: CIEN PE ratio reached a 1-year low of 92.75 on August 22, 2025
1-Year Change: CIEN PE ratio is up +34.73% over the past 365 days
Sector rank: CIEN PE ratio is higher than 90.43% of companies in Technology sector

CIEN Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
PE Ratio	Aug 24, 26	124.96	-5.2%	-4.0%	-35.7%	-54.6%	+34.7%	+349.5%	+554.2%
Price	Aug 24, 26	$375.42	-5.2%	-4.0%	-35.7%	+60.5%	+318.0%	+813.2%	+567.2%
TTM Revenue	Apr 1, 26	$5.57B	+8.7%	–	+8.7%	–	+30.6%	+38.3%	+64.0%
TTM EPS	Apr 1, 26	$3.00	+90.8%	–	+90.8%	–	+318.4%	+122.5%	+28.6%
	Aug 24, 26	18.37	-5.2%	-4.0%	-35.6%	+52.1%	+303.7%	+783.2%	+516.4%
	Aug 24, 26	9.54	-5.2%	-4.0%	-35.6%	+38.1%	+240.7%	+557.9%	+272.7%
	Aug 24, 26	$53.52B	-5.1%	-4.0%	-35.5%	+60.7%	+313.1%	+727.1%	+558.2%
	Aug 24, 26	68.11	-5.1%	-4.0%	-35.5%	-7.7%	+105.5%	+445.3%	+419.1%
Market Cap	Aug 24, 26	$53B	-5.2%	-4.0%	-35.6%	+61.1%	+318.6%	+768.9%	+508.9%

CIEN PE Ratio Highs Comparison
Period	High	Date	Current
1M	148.18	Aug 17, 26	-15.7%
3M	208.69	Jun 2, 26	-40.1%
6M	277.92	Mar 25, 26	-55.0%
1Y	305.20	Jan 7, 26	-59.1%
3Y	305.20	Jan 7, 26	-59.1%
5Y	305.20	Jan 7, 26	-59.1%
All	3,843.75	Jan 24, 00	-96.8%

CIEN PE Ratio Lows Comparison
Period	Low	Date	Current
1M	109.96	Jul 29, 26	+13.6%
3M	109.96	Jul 29, 26	+13.6%
6M	109.96	Jul 29, 26	+13.6%
1Y	92.75	Aug 22, 25	+34.7%
3Y	24.70	Oct 31, 23	+405.9%
5Y	15.41	Jun 16, 22	+710.9%
All	2.44	Nov 9, 17	+5021.3%

What is the current PE ratio of CIEN?: As of today, CIEN PE ratio is 124.96
What is CIEN PE ratio 1-year high?: CIEN PE ratio reached a 1-year high of 305.20 on January 7, 2026
What is CIEN PE ratio 1-year low?: CIEN PE ratio reached a 1-year low of 92.75 on August 22, 2025
What is 1-year change in CIEN PE ratio?: CIEN PE ratio is up +34.73% year-over-year
What is 3-year change in CIEN PE ratio?: CIEN PE ratio is up +349.50% over the past 3 years
How far is CIEN PE ratio from its all-time high?: CIEN PE ratio is currently -96.75% below its historical high of 3,843.75 set on January 24, 2000
How does CIEN PE ratio rank versus sector peers?: CIEN PE ratio is higher than 90.43% of companies in Technology sector

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