Ciena Corporation (CIEN)

NYSE

$349.01

$+5.28

(+1.53%)

Previous Close: ⁦$344.25⁩

Market Closed

Ciena Corporation (CIEN) Live Price Chart

Last updated: ⁦2026-09-19 11:49:20⁩. Prices reflect the latest closing data and will resume updating on the next trading day. Stock price data is sourced from Massive.

Summary

Ciena Corporation (CIEN) operates in the TELEPHONE & TELEGRAPH APPARATUS sector and is listed on NYSE. The stock is currently priced at $349.01, with a market capitalization of $48.82B and a P/E ratio of 75.58. Over the past 52 weeks, its price has ranged from $133.67 to $637.51. This page covers its latest market performance, valuation, price trends and company information.

Key Market Data

Market Cap	$48.82B
Open	$355.87
Day's High	$637.51
Day's Low	$4.98
Previous Close	$344.25
Volume	2.42M
Average Volume	2.48M
P/E Ratio	75.58
52-Week High	$637.51
52-Week Low	$133.67
Dividend Yield	--
Earnings Date	--

Ciena Corporation (CIEN) Latest Closing Stock Price

Ciena Corporation (CIEN) last closed at $344.25 as of 2026-09-18 23:59:52, unchanged from the previous close of $344.25.

During the latest regular trading session, CIEN traded between $4.98 and $637.51, with a volume of 2.42M shares. The closing price was near the middle and near the middle of its 52-week range.

Ciena Corporation (CIEN) 7-Day Stock Price Change

Over the past seven days, Ciena Corporation (CIEN) moved from $334.56 to $349.01, representing a gain of 4.32% ($14.45).

The stock traded between $318.43 and $375.70 during the period. The latest price is near the middle of the 7-day range, indicating moderate upward.

The average daily volume was 3.16 million shares, down versus the previous seven-day period, indicating lower trading activity.

CIEN 52-Week Price Position

Position in Range: 42.7%

52W Low$133.67

52W High$637.51

CIEN is currently trading at $349.01, placing it 42.7% of the way from its 52-week low of $133.67 to its 52-week high of $637.51. This percentage reflects the stock's relative position within its 52-week trading range, not its valuation or future performance.

What is Ciena Corporation (CIEN)?

Ciena is a leader in high-speed optical connectivity, providing systems, components, and automation software for telecom providers and enterprises, such as data centers, to enable long-distance connectivity. The company operates through four primary business segments: networking platforms, platform software and services, Blue Planet automation software, and global services. While telecom carriers remain important customers, cloud providers and hyperscalers now drive a significant portion of the business. To meet the demands of AI data centers, customers are adopting Ciena's WaveLogic 6 platform, the first to support 1.6 terabits-per-second capacity.

Ciena Corporation Information

Industry	TELEPHONE & TELEGRAPH APPARATUS
Employees	9080
Exchange	NYSE
Company Website	https://www.ciena.com

How to Buy Ciena Corporation (CIEN) Stock on MEXC

Eligible investors can buy real shares of Ciena Corporation (CIEN) through MEXC RealStocks. Follow these three steps to open a RealStocks account, transfer USDT, and place a US stock order.

Step 1: Open and Verify Your RealStocks Account

Log in to the MEXC App, go to Trade → RealStocks, and select Open Account. Complete the required account-opening and identity verification process with MEXC's partner licensed broker.

Step 2: Transfer USDT to Your RealStocks Account

Go to Wallets → RealStocks and transfer USDT from your Spot Account to your RealStocks Account. RealStocks are quoted in USD, while account funding can be completed using USDT.

Step 3: Search for CIEN and Place Your Order

Open the RealStocks trading page and search for CIEN. Select a market or limit order, enter the price and quantity as required, review the order details, and submit your order. Once filled, the corresponding real shares will be held in your RealStocks Account.

Frequently Asked Questions (FAQ)

1.What is Ciena Corporation (CIEN) stock price today?

Ciena Corporation (CIEN) is currently trading at $ 349.01, up 1.38% ($4.76) from the previous close of $ 344.25. Intraday prices update in real time during regular trading hours.

2.Is CIEN stock going up or down today?

As of 2026-09-18 23:59:52, CIEN is trading at $ 349.01, up 1.38% ($4.76) from its previous close of $ 344.25. The stock has traded between $ 4.98 and $ 637.51 during today’s regular session. Past price movements do not guarantee future results.

3.What is CIEN pre-market price?

As of 2026-09-18 23:59:52, CIEN is trading at $ 351.93 in pre-market trading, up 2.23% ($7.68) from the previous close of $ 344.25. Pre-market prices reflect trading activity before the regular session opens and may experience lower liquidity and higher volatility.

4.What is CIEN after-hours price?

As of 2026-09-18 23:59:52, CIEN is trading at $ 349.75 in after-hours trading, up 1.60% ($5.50) from the regular-session close of $ 344.25. After-hours prices may differ from the regular session’s opening price due to lower liquidity and wider bid-ask spreads.

5.Is CIEN stock trading now?

CIEN trades on the NYSE exchange during regular hours, Monday through Friday, 9:30 AM to 4:00 PM ET, excluding public holidays. Pre-market and after-hours trading are also available through select brokers outside these hours.

6.Where does CIEN sit relative to its 52-week high and low?

Over the past 52 weeks, CIEN has traded between a low of $ 133.67 and a high of $ 637.51. At $ 349.01, the stock is positioned 42.7% of the way from its 52-week low to its 52-week high, providing context for its current price within the one-year trading range.

7.What sector is Ciena Corporation in?

Ciena Corporation (CIEN) operates in the TELEPHONE & TELEGRAPH APPARATUS sector. Sector classification helps investors compare it with companies exposed to similar market trends and competitive conditions.

8.What is Ciena Corporation's market capitalization and where is it listed?

Ciena Corporation is listed on the NYSE exchange with a market capitalization of $ 48.82B. Market cap reflects the total market value of all outstanding shares and is commonly used to classify stocks by size.

9.How is CIEN valued in terms of P/E ratio and EPS?

CIEN trades at a P/E ratio of 75.58, based on trailing-twelve-month EPS of $ 4.61. P/E ratio compares the stock price to earnings per share and is a common starting point for assessing valuation relative to peers.

10.Does Ciena Corporation pay a dividend?

Ciena Corporation pays an indicated annual cash dividend of $ 0.00 per share, with a current dividend yield of 0.00% based on the latest share price. Dividend policies are subject to change at the board's discretion.