Ciena (CIE1D) Stock Overview

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. More details

CIE1D fundamental analysis
Snowflake Score
Valuation	0/6
Future Growth	5/6
Past Performance	3/6
Financial Health	5/6
Dividends	0/6

Rewards

Earnings are forecast to grow 33.17% per year

Earnings grew by 189.8% over the past year

Risk Analysis

Volatile share price over the past 3 months compared to the UK market

Large one-off items impacting financial results

CIE1D Community Fair Values

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Ciena Corporation Competitors

Price History & Performance

Summary of share price highs, lows and changes for Ciena
Historical stock prices
Current Share Price	US$501.00
52 Week High	US$0
52 Week Low	US$0
Beta	1.25
1 Month Change	12.41%
3 Month Change	n/a
1 Year Change	n/a
3 Year Change	n/a
5 Year Change	n/a
Change since IPO	32.50%

Recent updates

Shareholder Returns

	CIE1D	GB Communications	GB Market
7D	2.4%	-4.9%	2.5%
1Y	n/a	112.3%	19.4%

Return vs Industry: Insufficient data to determine how CIE1D performed against the UK Communications industry.

Return vs Market: Insufficient data to determine how CIE1D performed against the UK Market.

Price Volatility

Is CIE1D's price volatile compared to industry and market?
CIE1D volatility
CIE1D Average Weekly Movement	10.2%
Communications Industry Average Movement	7.6%
Market Average Movement	5.7%
10% most volatile stocks in GB Market	12.0%
10% least volatile stocks in GB Market	3.0%

Stable Share Price: CIE1D's share price has been volatile over the past 3 months compared to the UK market.

Volatility Over Time: Insufficient data to determine CIE1D's volatility change over the past year.

About the Company

Founded	Employees	CEO	Website
1992	8,989	Gary Smith	www.ciena.com

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 consists optical networking, routing, and switching products and services.

Ciena Corporation Fundamentals Summary

How do Ciena's earnings and revenue compare to its market cap?
CIE1D fundamental statistics
Market cap	€71.12b
Earnings (TTM)	€197.35m
Revenue (TTM)	€4.42b

360.4x

P/E Ratio

16.1x

P/S Ratio

Is CIE1D overvalued?

See Fair Value and valuation analysis

Earnings & Revenue

Key profitability statistics from the latest earnings report (TTM)
CIE1D income statement (TTM)
Revenue	US$5.12b
Cost of Revenue	US$2.97b
Gross Profit	US$2.16b
Other Expenses	US$1.93b
Earnings	US$229.05m

Last Reported Earnings

Jan 31, 2026

Next Earnings Date

Jun 04, 2026

Earnings per share (EPS)	1.62
Gross Margin	42.13%
Net Profit Margin	4.47%
Debt/Equity Ratio	55.1%

How did CIE1D perform over the long term?

See historical performance and comparison

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/05/24 14:25
End of Day Share Price	2026/05/22 00:00
Earnings	2026/01/31
Annual Earnings	2025/11/01

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Ciena Corporation is covered by 35 analysts. 17 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
James Kelleher	Argus Research Company
Jeffrey Kvaal	Barclays
Timothy Long	Barclays

Ciena CorporationBATS-CHIXE:CIE1D Stock Report