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404.03 USD
+16.37
4.22%
At close Updated Aug 26, 4:00 PM EDT
Pre-market
After hours
417.73
+13.70
3.39%
1 day
4.22%
5 days
0.92%
1 month
7.09%
3 months
-32.93%
6 months
18.43%
Year to date
64.2%
1 year
341.61%
5 years
612.32%
10 years
1,767.05%
 

About: Ciena is a leader in high-speed optical connectivity, providing systems, components, and automation software for telecom providers and enterprises, such as data centers, to enable long-distance connectivity. The company operates through four primary business segments: networking platforms, platform software and services, Blue Planet automation software, and global services. While telecom carriers remain important customers, cloud providers and hyperscalers now drive a significant portion of the business. To meet the demands of AI data centers, customers are adopting Ciena's WaveLogic 6 platform, the first to support 1.6 terabits-per-second capacity.

Employees: 9,080

News

Positive
Neutral
Negative
Sentiment 3-Months
Positive 58.2%
Neutral 28.6%
Negative 13.2%
Neutral
Business Wire
1 day ago
New Ciena Research: Service Providers Expect High-Capacity AI Services and MOFN to Fuel Revenue Growth, But Network Upgrades are Needed
FULTON, Md.--(BUSINESS WIRE)--A recent Ciena survey of service providers underscores the revenue potential of AI-driven networking. Ninety percent1 of respondents expect high-capacity AI network services – connectivity to AI infrastructure required by enterprises, hyperscalers, and neoscalers – to drive revenue growth over the next three to five years, with 56% citing them as their primary source of net-new revenue. Confidence is equally strong in managed optical fiber network (MOFN) services,.
New Ciena Research: Service Providers Expect High-Capacity AI Services and MOFN to Fuel Revenue Growth, But Network Upgrades are Needed
Positive
Zacks Investment Research
2 days ago
Will Ciena (CIEN) Beat Estimates Again in Its Next Earnings Report?
Ciena (CIEN) has an impressive earnings surprise history and currently possesses the right combination of the two key ingredients for a likely beat in its next quarterly report.
Will Ciena (CIEN) Beat Estimates Again in Its Next Earnings Report?
Neutral
Zacks Investment Research
6 days ago
Ciena vs. Coherent: Which AI Optical Networking Stock is a Better Buy?
CIEN and COHR benefit from AI-driven optical networking demand, but differing growth prospects, capacity challenges and valuations give one an edge.
Ciena vs. Coherent: Which AI Optical Networking Stock is a Better Buy?
Positive
Zacks Investment Research
6 days ago
Can ION Network's Adoption of WL6e Boost CIEN's Optical Momentum?
Ciena's WL6e deployment on ION Network's ICS1 highlights rising demand for high-capacity connectivity as Indonesia's digital economy expands.
Can ION Network's Adoption of WL6e Boost CIEN's Optical Momentum?
Positive
The Motley Fool
6 days ago
Ciena's Massive AI Tailwind: Optical Networks Are Now Critical
Ciena (CIEN -1.50%) could benefit from a problem that faster AI chips can't solve. As computing spreads across larger data center campuses, moving enormous amounts of information between buildings becomes critical.
Ciena's Massive AI Tailwind: Optical Networks Are Now Critical
Neutral
The Motley Fool
7 days ago
Ciena CEO Sells 2,952 Shares for $1.3 Million
The disposition realized ~$1.3 million on August 17, 2026, at an average execution price of $447.78 per share. The transaction reduced the CEO's direct equity holdings by 1%.
Ciena CEO Sells 2,952 Shares for $1.3 Million
Positive
Zacks Investment Research
7 days ago
Can MOFN Tailwinds Drive Ciena's Service Provider Revenues?
CIEN's service provider revenues are gaining from MOFN demand, led by India, as AI traffic drives renewed optical network investment worldwide.
Can MOFN Tailwinds Drive Ciena's Service Provider Revenues?
Negative
The Motley Fool
8 days ago
Why Ciena Stock Tanked by Almost 9% on Tuesday
He lowered his fair value assessment by $100 per share. However, due to recent price weakness, among other factors, he maintained his buy recommendation.
Why Ciena Stock Tanked by Almost 9% on Tuesday
Negative
24/7 Wall Street
8 days ago
Coherent, Teradyne, and Ciena Are the S&P 500's 3 Biggest Decliners on Tuesday
Shares of three AI infrastructure heavyweights are leading the S&P 500 lower into the final hour of Tuesday's session.
Coherent, Teradyne, and Ciena Are the S&P 500's 3 Biggest Decliners on Tuesday
Negative
Market Watch
8 days ago
AI chip stocks were riding high. Here's why Micron and others are now pulling back.
Analysts note high expectations, concerns about elevated Treasury yields and a potential letdown surrounding Anthropic's financial progress,
AI chip stocks were riding high. Here's why Micron and others are now pulling back.
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