Ciena (CIEN03) 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

CIEN03 fundamental analysis
Snowflake Score
Valuation	2/6
Future Growth	5/6
Past Performance	4/6
Financial Health	5/6
Dividends	0/6

Rewards

Trading at 44.2% below our estimate of its fair value

Earnings are forecast to grow 30.41% per year

Earnings grew by 319.4% over the past year

Risk Analysis

Shares are highly illiquid

CIEN03 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$1.23
52 Week High	US$1.42
52 Week Low	US$1.23
Beta	1.27
1 Month Change	n/a
3 Month Change	n/a
1 Year Change	n/a
3 Year Change	n/a
5 Year Change	n/a
Change since IPO	-10.87%

Recent News & Updates

No updates

Recent updates

No updates

Shareholder Returns

	CIEN03	TH Communications	TH Market
7D	n/a	-15.2%	1.1%
1Y	n/a	107.2%	37.0%

Return vs Industry: Insufficient data to determine how CIEN03 performed against the TH Communications industry.

Return vs Market: Insufficient data to determine how CIEN03 performed against the TH Market.

Price Volatility

Is CIEN03's price volatile compared to industry and market?
CIEN03 volatility
CIEN03 Average Weekly Movement	n/a
Communications Industry Average Movement	8.8%
Market Average Movement	4.1%
10% most volatile stocks in TH Market	10.2%
10% least volatile stocks in TH Market	1.9%

Stable Share Price: CIEN03's share price has been volatile over the past 3 months compared to the TH market.

Volatility Over Time: Insufficient data to determine CIEN03'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?
CIEN03 fundamental statistics
Market cap	฿1.85t
Earnings (TTM)	฿14.74b
Revenue (TTM)	฿187.30b

125.6x

P/E Ratio

9.9x

P/S Ratio

Is CIEN03 overvalued?

See Fair Value and valuation analysis

Earnings & Revenue

Key profitability statistics from the latest earnings report (TTM)
CIEN03 income statement (TTM)
Revenue	US$5.57b
Cost of Revenue	US$3.17b
Gross Profit	US$2.40b
Other Expenses	US$1.96b
Earnings	US$438.30m

Last Reported Earnings

May 02, 2026

Next Earnings Date

n/a

Earnings per share (EPS)	3.10
Gross Margin	43.05%
Net Profit Margin	7.87%
Debt/Equity Ratio	52.9%

How did CIEN03 perform over the long term?

See historical performance and comparison

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/07/17 04:35
End of Day Share Price	2026/07/17 00:00
Earnings	2026/05/02
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 37 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