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E4U akciova spolocnostSTU:1E4 90 Operating Margin % is 63.26% as of Dec. 2025, which is 3% below its 10-year median of 65.23. GuruFocus rates STU:1E4 with a GF Score™ of 90/100 and a GF Value™ of €6.76. The stock has 2 warning signs investors should review. Among 1,023 Semiconductors companies, E4U akciova spolocnost ranks better than 99.61% on this metric.
Just like Gross Margin %, it is important to see a company maintains its operating margin over time. Among the same industry, a company with higher operating margin is more efficient in its operation. It is also more stable during industry slowdown or recessions. Peter Lynch prefers those with higher margins than those with lower margins.
Be Aware
Operating Margin % can be manipulated by adjusting the rate of depreciation, depletion and amortization (DDA).
If a company is facing competition, its Operating Margin % may decline. Often the Operating Margin % declines well before the company's Revenue or even profit decline. Therefore, Operating Margin % is a very important indicator of whether the company is facing problems.
For instance, by 2012, Nokia (NOK)'s problems were well known and its stock had lost more than 90% of its market value since 2007. But Nokias Operating Margin % had already been in decline since 2002, although its Earnings per Share (Diluted) were still rising. Investors who paid attention to Operating Margin % would have avoided this huge loss. The same can be said for Research-in-Motion (RIMM).
Therefore, Operating Margin % is a very important screening filter for GuruFocus. GuruFocus's Buffett-Munger screener requires that the profit margin is either consistent or expanding. The Model Portfolio of the Buffett-Munger screener has outperformed the market every year since inception in 2009.
E4U akciova spolocnost Operating Margin % Related Terms
E4U akciova spolocnost Operating Margin % Historical Data
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The historical data trend for E4U akciova spolocnost's Operating Margin % 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.
STU:1E4 vs FSLR, NXT, ENPH: Operating Margin % Comparison
For the Solar subindustry, E4U akciova spolocnost's Operating Margin %, along with its competitors' market caps and Operating Margin % 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.
E4U akciova spolocnost Operating Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, E4U akciova spolocnost's Operating Margin % distribution charts can be found below:
* The bar in red indicates where E4U akciova spolocnost's Operating Margin % falls into.
Operating Margin % - also known as operating income margin, operating profit margin and return on sales (ROS) - is the ratio of Operating Income divided by net sales or Revenue, usually presented in percent.
E4U akciova spolocnost's Operating Margin % for the fiscal year that ended in Dec. 2025 is calculated as
* 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.
E4U akciova spolocnost (STU:1E4) has a Operating Margin % of 63.26% as of Dec. 2025. Operating margin is the ratio of total operating income to net sales. View historical data on E4U akciova spolocnost and its competitors. This is near median its historical median of 65.23. Over the past decade, E4U akciova spolocnost's Operating Margin % has ranged from 62.75 to 66.22. According to the industry distribution chart, E4U akciova spolocnost ranks #4 out of 1023 companies in the Semiconductors industry, placing it in the top 0.40000000000001%.
Is E4U akciova spolocnost's Operating Margin % too high?
E4U akciova spolocnost's current Operating Margin % of 63.26% is near median its 10-year median of 65.23. Over the past 10 years, this metric has ranged from a low of 62.75 to a high of 66.22. The Semiconductors industry median Operating Margin % is 5.33. E4U akciova spolocnost's value of 63.26% is 1086.9% above this industry median. Based on the distribution chart, E4U akciova spolocnost ranks #4 out of 1023 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, E4U akciova spolocnost has a GF Score™ of 90/100, reflecting its overall financial health beyond just this single metric.
How does E4U akciova spolocnost's Operating Margin % compare to FSLR and NXT?
According to the Semiconductors industry distribution chart, E4U akciova spolocnost ranks #4 out of 1023 companies for Operating Margin %. This places E4U akciova spolocnost in the top 0% of its industry — outperforming the majority of peers. The industry median Operating Margin % is 5.33. E4U akciova spolocnost's value of 63.26% is 1086.9% above this benchmark. Historically, E4U akciova spolocnost's own Operating Margin % has ranged from 62.75 to 66.22 over the past decade. While the company's 10-year median is 65.23 vs. the industry median of 5.33, E4U akciova spolocnost has consistently been above 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 Operating Margin % for a Semiconductors company?
The median Operating Margin % among Semiconductors companies is 5.33, based on 1,023 companies in the industry. Companies in the top quartile (top 25%) have a Operating Margin % significantly above this median, while those in the bottom quartile fall well below. However, Operating Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. E4U akciova spolocnost's current Operating Margin % of 63.26% is 1086.9% above 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 Operating Margin % mean?
A high Operating Margin % can signal that a stock is expensive relative to its fundamentals. Operating margin is the ratio of total operating income to net sales. View historical data on E4U akciova spolocnost and its competitors. For the Semiconductors industry, the median Operating Margin % is 5.33 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. E4U akciova spolocnost's current Operating Margin % is 63.26%, which is near median its own 10-year median of 65.23. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is E4U akciova spolocnost stock overvalued right now?
E4U akciova spolocnost (STU:1E4) has a current Operating Margin % of 63.26%. The stock's GF Value™ is €6.76, compared to a current price of €11.45 — trading 69.4% above its estimated fair value. The current Operating Margin % is 63.26%, which is near median its 10-year median of 65.23 and 1086.9% above the Semiconductors industry median of 5.33. E4U akciova spolocnost's overall GF Score™ is 90/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Operating Margin % calculated?
Operating Margin % is calculated from a company's financial statements. For E4U akciova spolocnost (STU:1E4), the current Operating Margin % is 63.26% 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 E4U akciova spolocnost (STU:1E4) Overvalued in 2026?
Based on GuruFocus' analysis, E4U akciova spolocnost stock appears to be overvalued.
The current stock price of €11.45 is trading 69.4% above its estimated GF Value™ of €6.76.
Key valuation signals for STU:1E4:
Operating Margin %: 63.26% (near median its 10-year median of 65.23)
GF Value™: €6.76 vs. price of €11.45 (69.4% above fair value)
Industry Position: 1086.9% above the Semiconductors median (#4 of 1023)
No single metric tells the full story. See the STU:1E4 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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