Ciena (CIEN) ROE % Adjusted to Book Value: 1.19% (As of Apr. 2026)


CIEN Ciena Corp CIEN
72 GF Score
Price $463.51
GF Value $96.34
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Ciena ROE % Adjusted to Book Value?

Ciena CIEN +0.80% 72 ROE % Adjusted to Book Value is 1.19% as of Apr. 2026. GuruFocus rates CIEN with a GF Score™ of 72/100 and a GF Value™ of $96.34 (Significantly Overvalued). The stock has 4 warning signs investors should review.

Ciena's ROE % for the quarter that ended in Apr. 2026 was 30.71%. Ciena's PB Ratio for the quarter that ended in Apr. 2026 was 25.83. Ciena's ROE % Adjusted to Book Value for the quarter that ended in Apr. 2026 was 1.19%.

Ciena ROE % Adjusted to Book Value Related Terms

Ciena ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for Ciena's ROE % Adjusted to Book Value can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Ciena ROE % Adjusted to Book Value Chart

Ciena Annual Data
Trend Oct16 Oct17 Oct18 Oct19 Oct20 Oct21 Oct22 Oct23 Oct24 Oct25
ROE % Adjusted to Book Value
Get a 7-Day Free Trial Premium Member Only Premium Member Only 6.51 2.03 4.26 0.92 0.45

Ciena Quarterly Data
Jul21 Oct21 Jan22 Apr22 Jul22 Oct22 Jan23 Apr23 Jul23 Oct23 Jan24 Apr24 Jul24 Oct24 Jan25 Apr25 Jul25 Oct25 Jan26 Apr26
ROE % Adjusted to Book Value Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.38 1.54 0.29 1.71 1.19

CIEN vs MSI, LITE, HPE: ROE % Adjusted to Book Value Comparison

For the Communication Equipment subindustry, Ciena's ROE % Adjusted to Book Value, along with its competitors' market caps and ROE % Adjusted to Book Value data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

Ciena ROE % Adjusted to Book Value vs Hardware Industry

For the Hardware industry and Technology sector, Ciena's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where Ciena's ROE % Adjusted to Book Value falls into.


CIEN
72GF Score
Ciena Corp CIEN
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
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Ciena ROE % Adjusted to Book Value Calculation

Ciena's ROE % Adjusted to Book Value for the fiscal year that ended in Oct. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=4.45% / 9.81
=0.45%

Ciena's ROE % Adjusted to Book Value for the quarter that ended in Apr. 2026 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=30.71% / 25.83
=1.19%

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

What does a ROE % Adjusted to Book Value of 1.19% mean?
Ciena (CIEN) has a ROE % Adjusted to Book Value of 1.19% as of Apr. 2026. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Ciena and its competitors.
Is Ciena's ROE % Adjusted to Book Value too high?
Ciena's current ROE % Adjusted to Book Value is 1.19%. Overall, Ciena has a GF Score™ of 72/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Ciena's ROE % Adjusted to Book Value compare to MSI and LITE?
Ciena's ROE % Adjusted to Book Value of 1.19% can be compared against companies in the Hardware industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROE % Adjusted to Book Value for a Hardware company?
A good ROE % Adjusted to Book Value depends on the Hardware industry context. However, ROE % Adjusted to Book Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high ROE % Adjusted to Book Value mean?
A high ROE % Adjusted to Book Value can signal that a stock is expensive relative to its fundamentals. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Ciena and its competitors. Ciena's current ROE % Adjusted to Book Value is 1.19%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ciena stock overvalued right now?
Based on GuruFocus' analysis, Ciena (CIEN) is currently considered Significantly Overvalued. The stock's GF Value™ is $96.34, compared to a current price of $463.51 — trading 381.1% above its estimated fair value. The current ROE % Adjusted to Book Value is 1.19%. Ciena's overall GF Score™ is 72/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % Adjusted to Book Value calculated?
ROE % Adjusted to Book Value is calculated from a company's financial statements. For Ciena (CIEN), the current ROE % Adjusted to Book Value is 1.19% as of Apr. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Ciena (CIEN) Overvalued in 2026?

Based on GuruFocus' analysis, Ciena stock appears to be overvalued. The current stock price of $463.51 is trading 381.1% above its estimated GF Value™ of $96.34. GuruFocus considers Ciena to be Significantly Overvalued.

Key valuation signals for CIEN:

  • ROE % Adjusted to Book Value: 1.19%
  • GF Value™: $96.34 vs. price of $463.51 (381.1% above fair value)
  • GF Score™: 72/100 with 4 warning signs

No single metric tells the full story. See the CIEN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Ciena Business Description

Address 7035 Ridge Road, Hanover, MD, USA, 21076
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.
72GF Score

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ROE % Adjusted to Book Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$463.51
Price
$96.34
GF Value