CIEN:NYSE
Ciena Corp
$338.00
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-0.96%(-3.29) 1D
$338.28
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+0.08% (+0.28)bedtimeAfter hours
Closed: Sep 9, 4:00:03 PM GMT-4 · USD
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insights_autoGenerating top insights for CIEN...
Open
$341.90
High
$348.00
Low
$337.16
Mkt. cap
47.93B
Avg. vol.
2.34M
Volume
1.79M
P/E ratio
75.42
52-wk high
$637.51
52-wk low
$123.65
EPS
$4.48
Beta
1.30
Shares outstanding
141.81M
No. of employees
9K
Open
$341.90
High
$348.00
Low
$337.16
Mkt. cap
47.93B
Avg. vol.
2.34M
Volume
1.79M
P/E ratio
75.42
52-wk high
$637.51
52-wk low
$123.65
EPS
$4.48
Beta
1.30
Shares outstanding
141.81M
No. of employees
9K
News stories
From web sources and news partners
Benzinga
·
6 hours ago
Here’s How Much You Would Have Made Owning Ciena Stock In The Last 15 Years
Moomoo
·
13 hours ago
The Entire Optical Communications Sector Was Mispriced. Its Stocks Are Rebounding for a Reason
GuruFocus
·
19 hours ago
JPMorgan Chase & Co. Trims Ciena Corp (CIEN) Stake -- Shares Tra
Profile
Ciena Corporation is an American optical networking systems and software company based in Hanover, Maryland. The company reported revenues of $4.8 billion and more than 9,000 employees, as of November 2025. Gary Smith has been president and chief executive officer since 2003.
Customers include AT&T, Deutsche Telekom, KT Corporation and Verizon Communications. Wikipedia
About Ciena Corp
CEOGary Smith
Employees8.99K
FoundedNov 1992
HeadquartersHanover, Maryland, United States
SectorComputer hardware
Websiteciena.com