Ciena is a communication equipment business based in the US. Ciena shares (CIEN) are listed on the NYSE and all prices are listed in US Dollars. Its last market close was $199.26 – an increase of 5.12% over the previous week. Ciena employs 8,570 staff and has a trailing 12-month revenue of around $4.5 billion.
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Ciena stock price (NYSE: CIEN)
Use our graph to track the performance of CIEN stocks over time.
The technical analysis gauge below displays real-time ratings for the timeframes you select. This is not a recommendation, however. It represents a technical analysis based on the most popular technical indicators: Moving Averages, Oscillators and Pivots. Finder might not concur and takes no responsibility.
This chart is not advice or a guarantee of success. Rather, it gauges the real-time recommendations of three popular technical indicators: moving averages, oscillators and pivots. Finder is not responsible for how your stock performs.
Ciena price performance over time
Historical closes compared with the close of $199.26 from 2025-11-07
1 week (2025-10-31)
4.92%
1 month (2025-10-10)
27.78%
3 months (2025-08-08)
109.61%
6 months (2025-05-09)
166.60%
1 year (2024-11-08)
177.10%
2 years (2023-11-10)
351.53%
3 years (2022-11-10)
351.94%
5 years (2020-11-10)
362.11%
Is Ciena stock undervalued or overvalued?
Valuing Ciena stock is incredibly difficult, and any metric has to be viewed as part of a bigger picture of Ciena's overall performance. However, analysts commonly use some key metrics to help gauge the value of a stock.
Ciena's P/E ratio
Ciena's current share price divided by its per-share earnings (EPS) over a 12-month period gives a "trailing price/earnings ratio" of roughly 191x. In other words, Ciena shares trade at around 191x recent earnings.
That's relatively high compared to, say, the trailing 12-month P/E ratio for the NASDAQ 100 at the end of 2019 (27.29). The high P/E ratio could mean that investors are optimistic about the outlook for the shares or simply that they're over-valued.
Ciena's PEG ratio
Ciena's "price/earnings-to-growth ratio" can be calculated by dividing its P/E ratio by its growth – to give 0.77. A low ratio can be interpreted as meaning the shares offer better value, while a higher ratio can be interpreted as meaning the shares offer worse value.
The PEG ratio provides a broader view than just the P/E ratio, as it gives more insight into Ciena's future profitability. By accounting for growth, it could also help you if you're comparing the share prices of multiple high-growth companies.
Ciena's EBITDA
Ciena's EBITDA (earnings before interest, taxes, depreciation and amortisation) is $390.9 million.
The EBITDA is a measure of a Ciena's overall financial performance and is widely used to measure a its profitability.
Ciena financials
Revenue TTM
$4.5 billion
Operating margin TTM
6.18%
Gross profit TTM
$1.9 billion
Return on assets TTM
2.81%
Return on equity TTM
4.96%
Profit margin
3.1%
Book value
$19.72
Market Capitalization
$26.8 billion
TTM: trailing 12 months
Ciena share dividends
We're not expecting Ciena to pay a dividend over the next 12 months.
Have Ciena's shares ever split?
Ciena's shares were
split on a 1:7 basis on 24 September 2006
. So if you had owned 7 shares the day before before the split, the next day you'd have owned 1 share. This wouldn't directly have changed the overall worth of your Ciena shares – just the quantity. However, indirectly, the new 600% higher share price could have impacted the market appetite for Ciena shares which in turn could have impacted Ciena's share price.
Ciena share price volatility
Over the last 12 months, Ciena's shares have ranged in value from as little as $49.21 up to $194.41. A popular way to gauge a stock's volatility is its "beta".
Beta is a measure of a share's volatility in relation to the market. The market (NYSE average) beta is 1, while Ciena's is 1.152. This would suggest that Ciena's shares are a little bit more volatile than the average for this exchange and represent, relatively-speaking, a slightly higher risk (but potentially also market-beating returns).
Ciena overview
Ciena Corporation, a network technology company, provides hardware, software, and services for various network operators in the Americas, Europe, the Middle East, Africa, the Asia Pacific, Japan, and India. It operates through Networking Platforms, Platform Software and Services, Blue Planet Automation Software and Services, and Global Services segments. The Networking Platforms segment consist of a range of products and solutions for convergence of coherent optical transport, open optical networking, optical transport network switching, IP routing, and switching services. This segments products include the 6500 Packet-Optical Platform, Waveserver modular interconnect system, the 6500 Reconfigurable Line system, Coherent ELS open line system, O-NID edge OTN demarcation device, coherent pluggable transceivers, and the 5400 family of Packet-Optical platforms; and the 3000 family of service delivery platforms and the 5000 family of service aggregation, as well as the 8100 Coherent IP networking platforms, WaveRouter product, virtualization software, the 6500 Packet Transport system, the 8700 Packetwave platform, and SD-Edge software and passive optical network routing and switching portfolio products. The Platform Software and Services segment offers Navigator Network Control Suite domain controller solution, OneControl unified management system, and data and planning tools. The Blue Planet Automation Software and Services segment comprises inventory management, multi-domain service orchestration, multi-cloud orchestration, route optimization and analysis, and unified assurance and analytics. The Global Services segment provides maintenance support and training, installation and deployment, and consulting and network design services.
Frequently asked questions
null What percentage of Ciena is owned by insiders or institutions? Currently 0.848% of Ciena shares are held by insiders and 103.675% by institutions.How many people work for Ciena? Latest data suggests 8,570 work at Ciena.When does the fiscal year end for Ciena? Ciena's fiscal year ends in October.Where is Ciena based? Ciena's address is: 7035 Ridge Road, Hanover, MD, United States, 21076What is Ciena's ISIN number? Ciena's international securities identification number is: US1717793095What is Ciena's CUSIP number? Ciena's Committee on Uniform Securities Identification Procedures number is: 171779101
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