Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
GrolleauSTU:30U +8.05%72 Interest Coverage is 0.34 as of Dec. 2025, which is 99% below its 10-year median of 22.73. GuruFocus rates STU:30U with a GF Score™ of 72/100 and a GF Value™ of €7.07 (Possible Value Trap). The stock has 3 warning signs investors should review. Among 2,323 Industrial Products companies, Grolleau ranks worse than 99.61% on this metric.
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. Grolleau's
Operating Income
for the
six
months ended in Dec. 2025 was €0.30 Mil. Grolleau's Interest Expense for the
six
months ended in Dec. 2025 was €-0.88 Mil.
Grolleau's interest coverage for the quarter that ended in Dec. 2025 was 0.34.
The higher the ratio, the stronger the company's financial strength is.
The historical rank and industry rank for Grolleau's Interest Coverage or its related term are showing as below:
STU:30U'
s Interest Coverage Range Over the Past 10 Years
Min: 0.14 Med: 22.73 Max: 123.89
Current: 0.14
STU:30U's Interest Coverage is ranked worse than 99.61% of 2323
companies
in the Industrial Products industry
Industry Median: 14.69
vs STU:30U: 0.14
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 .
Grolleau Interest Coverage Related Terms
Grolleau Interest Coverage Historical Data
* Premium members only.
The historical data trend for Grolleau'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.
STU:30U vs CRS, ATI, MLI: Interest Coverage Comparison
For the Metal Fabrication subindustry, Grolleau'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.
Grolleau Interest Coverage vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Grolleau's Interest Coverage distribution charts can be found below:
* The bar in red indicates where Grolleau'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:
* 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.
Grolleau (STU:30U) has a Interest Coverage of 0.34 as of Dec. 2025. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Grolleau and its competitors. This is 99% below median its historical median of 22.73. Over the past decade, Grolleau's Interest Coverage has ranged from 0.14 to 123.89. According to the industry distribution chart, Grolleau ranks #2314 out of 2323 companies in the Industrial Products industry, placing it in the top 99.6%.
Is Grolleau's Interest Coverage too high?
Grolleau's current Interest Coverage of 0.34 is 99% below median its 10-year median of 22.73. Over the past 10 years, this metric has ranged from a low of 0.14 to a high of 123.89. The Industrial Products industry median Interest Coverage is 14.69. Grolleau's value of 0.34 is 97.7% below this industry median. Based on the distribution chart, Grolleau ranks #2314 out of 2323 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Grolleau has a GF Score™ of 72/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Grolleau's Interest Coverage compare to CRS and ATI?
According to the Industrial Products industry distribution chart, Grolleau ranks #2314 out of 2323 companies for Interest Coverage. This places Grolleau in the lower half of its industry. The industry median Interest Coverage is 14.69. Grolleau's value of 0.34 is 97.7% below this benchmark. Historically, Grolleau's own Interest Coverage has ranged from 0.14 to 123.89 over the past decade. While the company's 10-year median is 22.73 vs. the industry median of 14.69, Grolleau has consistently been below the industry average. 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 an Industrial Products company?
The median Interest Coverage among Industrial Products companies is 14.69, based on 2,323 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. Grolleau's current Interest Coverage of 0.34 is 97.7% below the industry median. 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 Grolleau and its competitors. For the Industrial Products industry, the median Interest Coverage is 14.69 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Grolleau's current Interest Coverage is 0.34, which is 99% below median its own 10-year median of 22.73. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Grolleau stock overvalued right now?
Based on GuruFocus' analysis, Grolleau (STU:30U) is currently considered Possible Value Trap. The stock's GF Value™ is €7.07, compared to a current price of €3.76 — trading 46.8% below its estimated fair value. The current Interest Coverage is 0.34, which is 99% below median its 10-year median of 22.73 and 97.7% below the Industrial Products industry median of 14.69. Grolleau's overall GF Score™ is 72/100 with 3 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 Grolleau (STU:30U), the current Interest Coverage is 0.34 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 Grolleau (STU:30U) Overvalued in 2026?
Based on GuruFocus' analysis, Grolleau stock appears to be undervalued.
The current stock price of €3.76 is trading 46.8% below its estimated GF Value™ of €7.07.
GuruFocus considers Grolleau to be Possible Value Trap.
Key valuation signals for STU:30U:
Interest Coverage: 0.34 (99% below median its 10-year median of 22.73)
GF Value™: €7.07 vs. price of €3.76 (46.8% below fair value)
Industry Position: 97.7% below the Industrial Products median (#2314 of 2323)
No single metric tells the full story. See the STU:30U stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Grolleau SA is specialized in the design, manufacture and marketing of metal cabinets for use in utility infrastructure such as telecommunications, green energy, industries and others.
72GF Score
Get the complete analysis for STU:30U
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
STU:30U has been successfully added to your 
