Ciena (MIL:1CIEN) Total Operating Expense: €1,517 Mil (TTM As of Apr. 2026)


MIL:1CIEN Ciena Corp MIL:1CIEN
55 GF Score
Price €385.20
GF Value €80.24
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Ciena Total Operating Expense?

Ciena MIL:1CIEN +1.45% 55 Total Operating Expense is €1,517 Mil as of Apr. 2026. GuruFocus rates MIL:1CIEN with a GF Score™ of 55/100 and a GF Value™ of €80.24 (Significantly Overvalued). The stock has 4 warning signs investors should review.

Ciena's Total Operating Expense for the three months ended in Apr. 2026 was €387 Mil. Ciena's Total Operating Expense for the trailing twelve months (TTM) ended in Apr. 2026 was €1,517 Mil.

Ciena Total Operating Expense Related Terms

Ciena Total Operating Expense Historical Data

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The historical data trend for Ciena's Total Operating Expense 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 Total Operating Expense Chart

Ciena Annual Data
Trend Oct16 Oct17 Oct18 Oct19 Oct20 Oct21 Oct22 Oct23 Oct24 Oct25
Total Operating Expense
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1,029.65 1,322.66 1,414.82 1,403.05 1,455.25

Ciena Quarterly Data
Jul21 Oct21 Jan22 Apr22 Jul22 Oct22 Jan23 Apr23 Jul23 Oct23 Jan24 Apr24 Jul24 Oct24 Jan25 Apr25 Jul25 Oct25 Jan26 Apr26
Total Operating Expense 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 372.06 366.60 394.01 369.59 387.21
MIL:1CIEN
55GF Score
Ciena Corp MIL:1CIEN
Total Operating Expense is just one metric. See GF Score™, valuation, warning signs, and more.
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Ciena Total Operating Expense Calculation

Total Operating Expense is the primary recurring expense associated with central operations that are incurred in order to generate sales.


Total Operating Expense for the trailing twelve months (TTM) ended in Apr. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €1,517 Mil.

* 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 Total Operating Expense of €1,517 Mil mean?
Ciena (MIL:1CIEN) has a Total Operating Expense of €1,517 Mil as of Apr. 2026. Total operating expense is the primary recurring expense associated with central operations. View historical data on Ciena and its competitors.
Is Ciena's Total Operating Expense too high?
Ciena's current Total Operating Expense is €1,517 Mil. Overall, Ciena has a GF Score™ of 55/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Ciena's Total Operating Expense compare to MSI and LITE?
Ciena's Total Operating Expense of €1,517 Mil 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 Total Operating Expense for a Hardware company?
A good Total Operating Expense depends on the Hardware industry context. However, Total Operating Expense 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 Total Operating Expense mean?
A high Total Operating Expense can signal that a stock is expensive relative to its fundamentals. Total operating expense is the primary recurring expense associated with central operations. View historical data on Ciena and its competitors. Ciena's current Total Operating Expense is €1,517 Mil. 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 (MIL:1CIEN) is currently considered Significantly Overvalued. The stock's GF Value™ is €80.24, compared to a current price of €385.20 — trading 380.1% above its estimated fair value. The current Total Operating Expense is €1,517 Mil. Ciena's overall GF Score™ is 55/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Total Operating Expense calculated?
Total Operating Expense is calculated from a company's financial statements. For Ciena (MIL:1CIEN), the current Total Operating Expense is €1,517 Mil 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 (MIL:1CIEN) Overvalued in 2026?

Based on GuruFocus' analysis, Ciena stock appears to be overvalued. The current stock price of €385.20 is trading 380.1% above its estimated GF Value™ of €80.24. GuruFocus considers Ciena to be Significantly Overvalued.

Key valuation signals for MIL:1CIEN:

  • Total Operating Expense: €1,517 Mil
  • GF Value™: €80.24 vs. price of €385.20 (380.1% above fair value)
  • GF Score™: 55/100 with 4 warning signs

No single metric tells the full story. See the MIL:1CIEN 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.
55GF Score

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Total Operating Expense is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€385.20
Price
€80.24
GF Value