Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's
Operating Income
by its Interest Expense. Adtran Networks SE's
Operating Income
for the
six
months ended in Dec. 2025 was €-2.3 Mil. Adtran Networks SE's Interest Expense for the
six
months ended in Dec. 2025 was €-2.3 Mil.
did not have earnings to cover the interest expense.
The higher the ratio, the stronger the company's financial strength is.
The historical rank and industry rank for Adtran Networks SE's Interest Coverage or its related term are showing as below:
WBO:ADV's Interest Coverage is not ranked *
in the Hardware industry.
Industry Median: 13.73 * Ranked among companies with meaningful Interest Coverage only.
Adtran Networks SE (WBO:ADV) Interest Coverage Explanation
Ben Graham requires that a company has a minimum interest coverage of 5 with the companies he invested. If the interest coverage is less than 2, the company is burdened by debt. Any business slow or recession may drag the company into a situation where it cannot pay the interest on its debt.
Interest Coverage is an important factor when GuruFocus ranks a company's overage Financial Strength .
Adtran Networks SE Interest Coverage Related Terms
Adtran Networks SE Interest Coverage Historical Data
* Premium members only.
The historical data trend for Adtran Networks SE's Interest Coverage 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.
Note: For Interest Coverage, "No debt" indicates no long-term debt. An indication of "No Debt" does not necessarily mean that the company has no long-term debt obligations; it could be due to missing data in the quarterly or annual report. Use caution when interpreting this information.
WBO:ADV vs CSCO, CIEN, MSI: Interest Coverage Comparison
For the Communication Equipment subindustry, Adtran Networks SE's Interest Coverage, along with its competitors' market caps and Interest Coverage 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.
Adtran Networks SE Interest Coverage vs Hardware Industry
For the Hardware industry and Technology sector, Adtran Networks SE's Interest Coverage distribution charts can be found below:
* The bar in red indicates where Adtran Networks SE's Interest Coverage falls into.
Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense:
Adtran Networks SE did not have earnings to cover the interest expense.
* 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 Interest Coverage of 0 (At Loss) mean?
Adtran Networks SE (WBO:ADV) has a Interest Coverage of 0 (At Loss) as of Dec. 2025. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Adtran Networks SE and its competitors. According to the industry distribution chart, Adtran Networks SE ranks #999999 out of 1672 companies in the Hardware industry.
Is Adtran Networks SE's Interest Coverage too high?
Adtran Networks SE's current Interest Coverage is 0 (At Loss). Based on the distribution chart, Adtran Networks SE ranks #999999 out of 1672 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Adtran Networks SE has a GF Score™ of 55/100, reflecting its overall financial health beyond just this single metric.
How does Adtran Networks SE's Interest Coverage compare to CSCO and CIEN?
According to the Hardware industry distribution chart, Adtran Networks SE ranks #999999 out of 1672 companies for Interest Coverage. This places Adtran Networks SE in the lower half of its industry. The industry median Interest Coverage is 13.73. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Interest Coverage for a Hardware company?
The median Interest Coverage among Hardware companies is 13.73, based on 1,672 companies in the industry. Companies in the top quartile (top 25%) have a Interest Coverage significantly above this median, while those in the bottom quartile fall well below. However, Interest Coverage 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 Interest Coverage mean?
A high Interest Coverage can signal that a stock is expensive relative to its fundamentals. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Adtran Networks SE and its competitors. For the Hardware industry, the median Interest Coverage is 13.73 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Adtran Networks SE's current Interest Coverage is 0 (At Loss). However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Adtran Networks SE stock overvalued right now?
Adtran Networks SE (WBO:ADV) has a current Interest Coverage of 0 (At Loss). The stock's GF Value™ is €20.00, compared to a current price of €22.80 — trading 14% above its estimated fair value. The current Interest Coverage is 0 (At Loss). Adtran Networks SE'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 Interest Coverage calculated?
Interest Coverage is calculated from a company's financial statements. For Adtran Networks SE (WBO:ADV), the current Interest Coverage is 0 (At Loss) as of Dec. 2025. 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 Adtran Networks SE (WBO:ADV) Overvalued in 2026?
Based on GuruFocus' analysis, Adtran Networks SE stock appears to be overvalued.
The current stock price of €22.80 is trading 14% above its estimated GF Value™ of €20.00.
Key valuation signals for WBO:ADV:
Interest Coverage: 0 (At Loss)
GF Value™: €20.00 vs. price of €22.80 (14% above fair value)
No single metric tells the full story. See the WBO:ADV stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Adtran Networks SE develops, manufactures, and sells optical and Ethernet-based networking solutions to telecommunications carriers and enterprises to deliver data, storage, voice, and video services. Company segment includes: Network Solutions; and Services and Support,These systems are used by telecommunications service providers, private companies, universities, and government agencies. Some of its product categories are Open optical transport, Packet edge and aggregation, Disaggregated networking, Network virtualization, Network infrastructure assurance, and Automated network management. ADVA's geographical segments are United States, United Kingdom, Germany and Other international generating key revenue from United States.
55GF Score
Get the complete analysis for WBO:ADV
Interest Coverage is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
WBO:ADV has been successfully added to your 
