Ciena

YTD

ALL

Trade Ciena 24 hours a day, five days a week on Robinhood.

Robinhood gives you the tools to revolutionize your trading experience. Use the streamlined mobile app, or access advanced charts and execute precise trades on our browser-based platform, Robinhood Legend. Risks and limitations apply.

About CIEN

Ciena Corp. is a network technology company, which engages in the provision of hardware, software, and services to network operators, as well as enabling enhanced network capacity, service delivery, and automation. It operates through the following segments: Networking Platforms, Platform Software and Services, Blue Planet Automation Software and Services, and Global Services.

CEO

Gary B. Smith

CEOGary B. Smith

Employees

9,080

Employees9,080

Headquarters

Hanover, Maryland

HeadquartersHanover, Maryland

Founded

1992

Founded1992

Employees

9,080

Employees9,080

CIEN Key Statistics

Market cap

46.14B

Market cap46.14B

Price-Earnings ratio

72.00

Price-Earnings ratio72.00

Dividend yield

—

Dividend yield—

Average volume

3.18M

Average volume3.18M

High today

$330.14

High today$330.14

Low today

$313.45

Low today$313.45

Open price

$325.05

Open price$325.05

Volume

632.91K

Volume632.91K

52 Week high

$637.51

52 Week high$637.51

52 Week low

$164.13

52 Week low$164.13

Stock Snapshot

With a market cap of 46.14B, Ciena(CIEN) trades at $325.62. The stock has a price-to-earnings ratio of 72.00.

On 2026-10-23, Ciena(CIEN) stock moved within a range of $313.45 to $330.14. With shares now at $325.62, the stock is trading +3.9% above its intraday low and -1.4% below the session's peak.

Trading volume for Ciena(CIEN) stock has reached 632.91K, versus its average volume of 3.18M.

Over the past 52 weeks, Ciena(CIEN) stock has traded between a high of $637.51 and a low of $164.13.

CIEN News

Zacks 3h

Ciena vs. Nokia: Which Optical Networking Stock is the Better Buy?

Ciena Corporation (CIEN Quick QuoteCIEN - Free Report) and Nokia Corporation (NOK Quick QuoteNOK - Free Report) are benefiting from accelerating dem...

Simply Wall St 1d

Ciena Gains A New People Chief As AI Growth Keeps Fair Value In Focus - Simply Wall Street

...

Simply Wall St 3d

Ciena Stock May Be A Bargain After Fresh AI Demand News

has turned into one of the market’s bigger optical networking stories, with the share price up roughly 7x over the past 3 years. That raises a simple question f...

Analyst ratings

76%

of 25 ratings

Buy

76%

Hold

24%

Sell

More CIEN News

24/7 Wall St. 4d

Networking Stocks Rally as Tech Rebound Lifts AI Gear Makers: Ciena and Arista Climb 4%, but Cisco Barely Moves

Investing Networking Stocks Rally as Tech Rebound Lifts AI Gear Makers: Ciena and Arista Climb 4%, but Cisco Barely Moves AI data center spending is splitting n...

People also own

Based on the portfolios of people who own CIEN. This list is generated using Robinhood data, and it’s not a recommendation.

Applied Optoelectronics

Similar Marketcap

This list is generated by looking at the six larger and six smaller companies by market cap in relation to this company.

Popular Stocks

This list is generated by looking at the top 100 stocks and ETFs most commonly held by Robinhood customers and showing a random subset

Newly Listed

This list is generated by showing companies that recently went public.