CIEN logo

Ciena Corporation (CIEN)

$407.53

Quotes are delayed by 15 minutes.

1D

1W

1M

3M

6M

YTD

1Y

2Y

5Y

ALL

Key data on CIEN

Market cap

$57.69B

EPS

3

P/E ratio

170.2

Price to sales

13.4

Dividend yield

--

Beta

1.273891

Price on CIEN

Previous close

$397.16

Today's open

$394.10

Day's range

$394.10 - $415.80

52 week range

$84.38 - $637.51

Profile about CIEN

CEO

Gary B. Smith

Employees

8657

Headquarters

Hanover, MD

Exchange

New York Stock Exchange

Shares outstanding

141552922

Issue type

Common Stock

CIEN industries and sectors

Technology

Hardware & Equipment

News on CIEN

4 Top-Performing Liquid Stocks to Boost Portfolio Returns

AGX, CIEN, HUBS and SMTC make the cut as the top liquid stocks, each boasting strong liquidity, growth attributes and operational efficiency.

news source

Zacks Investment Research • Jul 23, 2026

news preview

Buy 3 Top-Ranked AI Giants on the Dip Amid Short-Term Price Upside

AI stock volatility has created discounts from 52-week highs. SNDK, WDC and CIEN stand out with strong growth drivers and upside potential.

news source

Zacks Investment Research • Jul 22, 2026

news preview

Are Computer and Technology Stocks Lagging Ciena (CIEN) This Year?

Here is how Ciena (CIEN) and Arista Networks (ANET) have performed compared to their sector so far this year.

news source

Zacks Investment Research • Jul 21, 2026

news preview

Ciena vs. Nokia: Which AI Networking Stock Is the Better Buy?

Ciena Corporation  CIEN and Nokia  NOK are benefiting from the rapid adoption of artificial intelligence (AI), which is driving strong demand for high-speed networking infrastructure. As hyperscalers and service providers expand AI deployments, both companies are strengthening their optical networking, routing and switching portfolios to support higher-capacity, low-latency connectivity.

news source

Zacks Investment Research • Jul 16, 2026

news preview

Bet on 4 Cloud Computing Stocks to Hedge Against Volatile Markets

GOOGL, MSFT, AMZN and CIEN offer cloud exposure as AI demand, scalability and cost efficiency fuel long-term market growth.

news source

Zacks Investment Research • Jul 14, 2026

news preview

Billionaires are loading up on these superior stocks. Why it pays to follow their money.

The second quarter was a six-year best for U.S. stocks — here are the three sectors poised to lead the next leg higher.

news source

Market Watch • Jul 13, 2026

news preview

Why Ciena Stock More Than Doubled in the First Half of 2026

Shares of Ciena (CIEN 0.18%) rose 109.8% in the first half of 2026, according to data from S&P Global Market Intelligence. The networking equipment veteran more than doubled due to accelerating demand for optical networking infrastructure tied to artificial intelligence workloads.

news source

The Motley Fool • Jul 10, 2026

news preview

Ciena Soars 495% in a Year: Should Investors Buy the Stock Now?

CIEN is riding the AI-driven optical networking demand, record revenue and a growing backlog. See what's fueling its outlook despite supply constraints.

news source

Zacks Investment Research • Jul 10, 2026

news preview

10 stocks for momentum traders to consider buying — and 10 to avoid or sell short

These investments have a tendency to crash and burn

news source

Market Watch • Jul 9, 2026

news preview

Bet on 4 Top-Performing Liquid Stocks to Maximize Portfolio Returns

AGX, CIEN, DDS and SMTC stand out as liquid, efficient stocks with growth potential, backed by solid ratios, asset use and recent revenue gains.

news source

Zacks Investment Research • Jul 9, 2026

news preview

¹ Disclosures

Get started with M1

Invest in Ciena Corporation

Open an M1 investment account to buy and sell Ciena Corporation commission-free¹. Build wealth for the long term using automated trading and transfers.

Invest in CIEN on M1