Ciena (MIL:1CIEN) Moat Score: 5/10 (As of Jul. 07, 2026)


MIL:1CIEN Ciena Corp MIL:1CIEN
53 GF Score
Price €385.20
GF Value €80.18
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Ciena Moat Score?

Ciena MIL:1CIEN +1.45% 53 Moat Score is 5 as of Jul. 07, 2026. GuruFocus rates MIL:1CIEN with a GF Score™ of 53/100 and a GF Value™ of €80.18 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 2,466 Hardware companies, Ciena ranks better than 97.2% on this metric.

Ciena has the Moat Score of 5, which implies that the company might have Narrow Moat - Solid narrow moat.

Ciena has Narrow Moat: Ciena Corp has a solid narrow moat due to its valuable intellectual property and consistent innovation in optical networking. While it has strong R&D capabilities, the competitive tech landscape limits its pricing power and customer loyalty, preventing a wide moat classification.

Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more.

The company's Moat Score is based on these criteria:

1. Market leadership and sustainable market share
2. Network effects and significant customer switching costs
3. Valuable intellectual property and patents
4. Strong brand strength and deep customer loyalty
5. Durable cost advantages (e.g., economies of scale, proprietary technology)
6. Significant regulatory barriers and exclusive licenses
7. Superior distribution network
8. Strong and sustainable pricing power
9. Consistent and impactful innovation and R&D capabilities

Based on the research, GuruFocus believes Ciena might have Narrow Moat - Solid narrow moat.

Ciena  (MIL:1CIEN) Moat Score Explanation

The Moat Score ranges from 0 to 10, with 10 as the highest. GuruFocus divided Moat Score into following 8 categories:

Moat Score Moat Level
10Wide Moat - Exceptionally dominant and durable wide moat
8 - 9Wide Moat - Clear and robust wide moat
7Wide Moat - Entry-level wide moat, clearly possessing durable advantages
6Narrow Moat - Strong narrow moat, clearly distinguishable but not wide
5Narrow Moat - Solid narrow moat
4Narrow Moat - Discernible but modest moat
1 - 3No Moat - Very weak/transient advantages
0No Moat - No discernible moat

Ciena Moat Score Related Terms

MIL:1CIEN vs MSI, LITE, HPE: Moat Score Comparison

For the Communication Equipment subindustry, Ciena's Moat Score, along with its competitors' market caps and Moat Score 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 Moat Score vs Hardware Industry

For the Hardware industry and Technology sector, Ciena's Moat Score distribution charts can be found below:

* The bar in red indicates where Ciena's Moat Score falls into.


MIL:1CIEN
53GF Score
Ciena Corp MIL:1CIEN
Moat Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about Moat Score →
What does a Moat Score of 5 mean?
Ciena (MIL:1CIEN) has a Moat Score of 5 as of Jul. 07, 2026. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. According to the industry distribution chart, Ciena ranks #69 out of 2466 companies in the Hardware industry, placing it in the top 2.8%.
Is Ciena's Moat Score too high?
Ciena's current Moat Score is 5. Based on the distribution chart, Ciena ranks #69 out of 2466 companies in the Hardware industry, which is in the top quartile — a strong position relative to peers. Overall, Ciena has a GF Score™ of 53/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Ciena's Moat Score compare to MSI and LITE?
According to the Hardware industry distribution chart, Ciena ranks #69 out of 2466 companies for Moat Score. This places Ciena in the top 3% of its industry — outperforming the majority of peers. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Moat Score for a Hardware company?
A good Moat Score depends on the Hardware industry context. However, Moat Score 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 Moat Score mean?
A high Moat Score can signal that a stock is expensive relative to its fundamentals. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. Ciena's current Moat Score is 5. 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 €80.18, compared to a current price of €385.20 — trading 380.4% above its estimated fair value. The current Moat Score is 5. Ciena's overall GF Score™ is 53/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Moat Score calculated?
Moat Score is calculated from a company's financial statements. For Ciena (MIL:1CIEN), the current Moat Score is 5 as of Jul. 07, 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 380.4% above its estimated GF Value™ of €80.18. GuruFocus considers Ciena to be Significantly Overvalued.

Key valuation signals for MIL:1CIEN:

  • Moat Score: 5
  • GF Value™: €80.18 vs. price of €385.20 (380.4% above fair value)
  • GF Score™: 53/100 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.
53GF Score

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

€385.20
Price
€80.18
GF Value