How to Buy Ciena Stock
Ciena Corp
Ciena is a communication equipment company located in Maryland, United States, which is part of the Technology sector, and is traded under the ticker CIEN on the NYSE exchange.
Ciena stock last closed at $218.44, down 9.87% from the previous day, and has increased 158.45% in one year. It has overperformed other stocks in the Communication Equipment industry by 1.33 percentage points. Ciena stock is currently +343.89% from its 52-week low of $49.21, and -11.92% from its 52-week high of $248.00.
As of Dec 12, 2025, there are 140.85M CIEN shares outstanding. The market capitalization of CIEN is $30.77B. In the last 24 hours, 4.66M CIEN shares were traded.
How to Buy Ciena Stock
Not sure how to invest in Ciena stock? Here's how.
- Figure out where to buy Ciena stock: You need to pick a stock brokerage, but don't worry - we've analyzed dozens of stock brokerages and apps to help you determine where to buy Ciena stock.
- Open your brokerage account: Sign up for 0% fee trading with the highest-rated brokerage we've found.
- Put funds into your investment account: Pick your payment method and add your info.
- Research Ciena stock: The Ciena ticker symbol is CIEN. Is Ciena stock a good investment? Should you buy shares of CIEN? How do CIEN's underlying business fundamentals look? Do top analysts think Ciena is a good buy? Why has CIEN's stock price moved recently? (Hint: Our stock market research website can help you figure out if CIEN is a good stock to buy).
- Place your CIEN buy order: Decide if you will purchase CIEN shares at the current market price or use a limit order to buy CIEN shares at a particular price.
- Monitor your CIEN position: Create a watchlist to the latest updates on your new investment in Ciena stock.
Step 1: Figure out where to buy Ciena stock
You will need an online brokerage account to access the NYSE market and buy CIEN shares.
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Open eToro AccountStep 2: Open your brokerage account
Now that you've selected the right brokerage, it's time to fill out some personal details so you are able to invest in CIEN today.
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Step 3: Put funds into your investment account
Now that you have filled out your info on stock apps to use, your next step is to transfer the money for your investment:
Check out the walkthrough below for more details transferring funds into your brokerage account.
Step 4: Research Ciena stock
Once you have selected the best place to buy Ciena stock, it's important to analyze their stock before you buy, so you actually wrap your head around the risk and opportunity.
Ciena quick stats
Ciena Due Diligence Score
WallStreetZen was created to help part-time investors perform more in-depth fundamental analysis in minutes instead of hours.
You can see all of the due diligence checks on CIEN's stock page.
Is CIEN stock overvalued?
You can use many financial metrics, analyses, models, and charts to gauge CIEN's fair value.
Using relative valuations metrics:
- CIEN could be undervalued based on its P/E ratio of 251.08x, relative to Communication Equipment industry P/E ratio of 481.33x
- CIEN could be overvalued based on its P/B ratio of 11.27x, relative to Communication Equipment industry P/B ratio of 5.18x
- CIEN could be overvalued based on its PEG ratio of 2.83x
You can access more valuation research on CIEN's stock here.
A quick look at CIEN Financials
Signs that CIEN is financially healthy:
- CIEN profit margin has gone up from 2.1% to 2.6% in the past year.
- There are more short-term assets than short-term liabilities on the CIEN balance sheet.
- CIEN's operating cash flow of $806.09M allows it to safely service it's debt of $1.58B.
- There are more short-term assets than long-term liabilities on the CIEN balance sheet.
Signs that CIEN is not financially healthy:
- CIEN has a relatively high debt to equity ratio of 1.15.
- CIEN earnings of $245.69M is not sufficient to cover its interest payments.
- Total CIEN debt is higher than 5 years ago, relative to shareholder equity.
Is it a good time to buy Ciena stock, according to analysts?
Out of 12 Equities analysts who give recommendations on CIEN, the consensus analyst rating on Ciena is a Strong Buy
Please note that analyst ratings are not recommendations, nor are they investment advice.
Most Recent CIEN Analyst Upgrades/Downgrades
Jim Kelleher, a top 8% analyst from Argus Research maintains CIEN with a strong buy rating and raises their CIEN price target from $135.00 to $280.00, on Dec 12, 2025.
Argus Research's Jim Kelleher raised their price target on Ciena (NYSE: CIEN) by 107.4% from $135 to $280 on 2025/12/12. The analyst maintained their Strong Buy rating on the stock.
Ciena reported its Q4 and FY 2025 earnings.
Kelleher called the results "strong" and headlined that the company's rapidly expanding AI networking opportunity, driven by surging orders, new markets, and new customers.
Acknowledging that Ciena's investment in growth is weighing on near-term margins, the analyst argued that volumes should offset in the coming quarters.
Ciena is seeing ramping demand momentum from telco customers because of years of under-investment and as AI-use cases impact traditional networks, Kelleher added.
Earnings Report
Ciena reported:
For Q4 2025:
- EPS of $0.91, which beat the Zacks Consensus Estimate of $0.77 and Q4 2024's $0.54.
- Revenue of $1.35B, which beat the Zacks Consensus Estimate of $1.3B and was up 20.3% Y/Y.
For FY 2025:
- EPS of $2.64, up from FY 2024's $1.82.
- Revenue of $4.77B, up 19% Y/Y.
Management guided:
For Q1 2026:
- Revenue of $1.35B to $1.43B.
For FY 2026:
- Revenue growth of 24% growth at the midpoint, up from the prior 17%.
President & CEO Gary Smith commented: "Our record fiscal fourth quarter and full-year performance reinforces our position as the global leader in high-speed connectivity with an expanding role in the AI ecosystem.
"Looking ahead, we are confident in our growth trajectory over the coming years, driven by durable demand from our cloud and service provider customers and a growing set of opportunities inside and around the data center."
Mike Genovese, a top 2% analyst from Rosenblatt maintains CIEN with a strong buy rating and raises their CIEN price target from $175.00 to $305.00, on Dec 12, 2025.
Tal Liani, a top 11% analyst from Bank of America maintains CIEN with a strong buy rating and raises their CIEN price target from $200.00 to $260.00, on Dec 12, 2025.
Ryan Koontz, a top 2% analyst from Needham maintains CIEN with a buy rating and raises their CIEN price target from $240.00 to $280.00, on Dec 11, 2025.
Ruben Roy, a top 1% analyst from Stifel Nicolaus maintains CIEN with a strong buy rating and raises their CIEN price target from $152.00 to $230.00, on Dec 9, 2025.
You can dive deeper into what analysts are saying on the Ciena stock forecast page.
CIEN Technical Indicators
CIEN Performance Metrics
Last year, CIEN earnings were $123.34M. Over the last five year, CIEN's earnings have grown by -17.95% per year. This was slower than the Communication Equipment industry average of -1.51%.
Last year, CIEN revenue was $4.77B. During the last five year, CIEN's revenue has grown by 6.19% per year. This was slower than the Communication Equipment industry average of 11.11%.
Dive into CIEN's earnings and revenue performance here.
Latest Insiders Trades at CIEN
Over the last 12 months, insiders at CIEN have sold more shares than they have bought.
Gary B. 1. Smith, President CEO of CIEN, was the latest CIEN insider to sell. They sold $1,309,754.80 worth of CIEN shares on Dec 3, 2025.
Research more about who owns CIEN stock here.
Does CIEN provide a stable income stream?
No, Ciena doesn't provide an income stream by paying out dividends.
What do other investors have to say about CIEN?
One of the primary reasons eToro is our highest-rated brokerage is because of its social trading community.
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Step 5: Place your CIEN buy order
There are two primary options:
- Market order: A market order is an order to buy or sell a stock at the best available price.
Market orders are mostly sufficient. - Limit order: A limit order lets you buy or sell a stock at a specific price (or better).
If you want to ensure you're buying or selling at a given price limit, use a limit order.
Press the Open Trade button and your broker will execute your order.
If you want additional assistance investing in stocks on eToro, click the how to video below:
Step 6: Monitor your CIEN position
Now that you own some CIEN shares, you'll want to stay up-to-date on your company.
Put CIEN on a watchlist to keep tabs on your CIEN stock.
CIEN Feed
How to Buy Stock in Ciena
To reiterate, here are the 6 steps to buy stock in Ciena:
- Figure out where to buy Ciena stock
- Open your brokerage account
- Put funds into your investment account
- Research Ciena stock
- Place your CIEN buy order
- Monitor your CIEN position
If you need a brokerage account, eToro is our favorite venue.
Get Started with eToro TodayIf you would like to get notifications regarding your new investment in Ciena, create your watchlist below.
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