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Ciena (CIE1) Stock Price & Analysis

CIE1 Stock Chart & Stats

€288.80-€26.90(-8.52%)
At close: 5:30 PM GMT+1
EUR 300EUR 350EUR 4003 Aug17 Aug31 Aug14 Sep28 Sep12 Oct26 Oct
Day’s Range
EUR 288.10 - EUR 295.00
52-Week Range
EUR 149.05 - EUR 553.20
Previous Close
EUR 315.70
Volume
3,763
Average Volume (3M)
571
Market Cap
EUR 40.59B
Enterprise Value
EUR 55.69B
Total Cash (Recent Filing)
EUR 2.63B
Total Debt (Recent Filing)
EUR 237.16M
Price to Earnings (P/E)
69.4
Beta
0.44
Next Earnings
Dec 10, 2026 (Est.)
Next Dividend Ex-Date
N/A
Dividend Yield
N/A

Bulls Say, Bears Say

Bulls Say

Growth Outlook

The projected FY27 growth and margin profile indicates that demand is translating into substantial operating leverage. If delivered, this outlook would expand Ciena’s earnings base, support reinvestment in capacity and products, and strengthen its position in expanding optical and data-center connectivity markets.

Market Leadership

A leading position in disaggregated line systems gives Ciena an established customer reference base, technical credibility, and scale advantages in a specialized market. High share can support recurring design wins and improve the company’s ability to capture growth as network capacity requirements increase.

Balance Sheet Strength

The sharp reduction in leverage materially improves financial flexibility and lowers the burden of debt service. A stronger capital structure gives Ciena more capacity to fund network-related investments, manage demand cycles, and pursue strategic opportunities without relying as heavily on additional borrowing.

Bears Say

Supply Constraints

Supply limitations could prevent Ciena from converting a substantial portion of committed demand into near-term revenue, even while customer requirements remain strong. Continued constraints into 2027 and 2028 may defer growth, limit operating leverage, and increase execution pressure around capacity expansion.

Cyclical Earnings

The wide historical swings in revenue and profitability show that Ciena remains exposed to customer capital-spending cycles. A weaker investment environment could reduce order timing and operating leverage, making the recent margin rebound less dependable across a full industry downturn.

Customer Concentration

Customer concentration can make revenue timing less predictable and increase dependence on a limited number of large deployments. This lumpiness may complicate forecasting, create uneven quarterly results, and amplify the effect of project delays or changing spending priorities among major customers.

Ciena News

CIE1 FAQ

What was Ciena’s price range in the past 12 months?
Ciena lowest stock price was €149.05 and its highest was €553.20 in the past 12 months.
What is Ciena’s market cap?
Ciena’s market cap is €40.59B.
When is Ciena’s upcoming earnings report date?
Ciena’s next earnings report is estimated for Dec 10, 2026 (not yet confirmed), which is in 38 days.
How were Ciena’s earnings last quarter?
Ciena released its earnings results on Sep 03, 2026. The company reported €1.883 earnings per share for the quarter, beating the consensus estimate of €1.541 by €0.342.
Is Ciena overvalued?
According to Wall Street analysts Ciena’s price is currently Undervalued.
Does Ciena pay dividends?
Ciena does not currently pay dividends.
What is Ciena’s EPS estimate?
Ciena’s EPS estimate is 1.85.
How many shares outstanding does Ciena have?
Ciena has 141,808,520 shares outstanding.
What happened to Ciena’s price movement after its last earnings report?
Ciena reported an EPS of €1.883 in its last earnings report, beating expectations of €1.541. Following the earnings report the stock price went down -9.253%.
Which hedge fund is a major shareholder of Ciena?
Hedge funds hold Ciena shares: the largest hedge-fund position in Ciena is 2,010,198,837 shares, and hedge funds decreased their holdings by 1.1M shares last quarter.
What is the TipRanks Smart Score and how is it calculated?
Smart Score combines eight research factors - such as analyst recommendations, hedge fund trends, and technical indicators - to measure a stock’s outlook. These signals are unified into a single score that reflects bullish or bearish momentum. See detailed methodology