Ciena Corporation
CIEN · NYSE · Technology
$355.91
$9.79 (-2.75%) today
Market Cap
$50.47B
24h Volume
$658.3M
P/E Ratio
79.1
52w High
$627.00
52w Low
$137.17
Est. AI Revenue
18%
7-Day Sparkline (Static)
Company facts
Performance
About Ciena Corporation
Ciena builds optical networking equipment: the systems that push data over fiber between cities, across oceans, and increasingly between data centers. Telecom carriers and cloud providers buy its transport systems, pluggable optics, and network software.
Its AI-relevant portfolio includes WaveLogic coherent optics, the Manage, Control and Plan automation suite, Blue Planet AI network software, and Adaptive IP. WaveLogic technology in particular carries the growing rivers of traffic that AI workloads generate between facilities.
Founded in 1992 and headquartered in Hanover, Maryland, Ciena trades on the NYSE, is led by CEO Gary Smith, and employs roughly 8,900 people.
Ciena Corporation in the AI buildout
Ciena sits in the Networking & Optics layer, carrying AI traffic between and inside data centers. Training and serving AI models generates enormous data flows that have to move over coherent optical links, and cloud provider spending on that AI-driven interconnect bandwidth is now Ciena's key growth engine. Its large telecom carrier base sits alongside that story, giving it a mature revenue foundation. Supercycle scores its exposure as substantial, driven by cloud and AI bandwidth demand.
CIEN is tracked in Networking & Optics, rated Strategic on the AI Exposure leaderboard.
By the numbers
52-week range
CIEN trades at $355.91, 45% of the way up its 52-week range of $137.17 to $627.00.
Market cap
Market capitalization is $50.47B, with an AI Exposure Score of 55 out of 100.
Valuation vs peers
Its P/E ratio of 79.1 is above the Networking & Optics category median of 64.4.
Next earnings
Ciena Corporation is next expected to report earnings on September 3, 2026.
Market data as of the close on . Prices are end of day, not live.
Frequently asked questions
What does Ciena do?
Ciena sells optical networking systems, coherent optics, and network automation software to telecom carriers and cloud providers, moving data over fiber between cities and data centers.
How is Ciena exposed to AI?
Through bandwidth. AI workloads generate huge traffic between data centers, and cloud spending on optical interconnect is now Ciena's key growth engine. Supercycle gives it an AI Exposure Score of 55 out of 100.
What are Ciena's main products?
WaveLogic coherent optics, the Manage, Control and Plan automation suite, Blue Planet AI network software, and Adaptive IP solutions.
Is CIEN a pure play AI stock?
No. Ciena serves both telecom carriers and cloud AI customers. Its score of 55 out of 100 reflects a strong AI bandwidth driver on top of a mature carrier business.
Who leads Ciena and where is it based?
CEO Gary Smith leads Ciena from Hanover, Maryland. The company was founded in 1992, trades on the NYSE, and employs roughly 8,900 people.
Profile written 2026-08, updated as the business changes. Editorial content, not investment advice.
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