Samsung SDI CoLUX:SMSDI 58 Operating Margin % is -4.35% as of Mar. 2026. GuruFocus rates LUX:SMSDI with a GF Score™ of 58/100 and a GF Value™ of $43.61 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 3,038 Industrial Products companies, Samsung SDI Co ranks worse than 87.69% on this metric.
The historical rank and industry rank for Samsung SDI Co's Operating Margin % or its related term are showing as below:
LUX:SMSDI'
s Operating Margin % Range Over the Past 10 Years
Min: -17.81 Med: 5.26 Max: 8.98
Current: -10.57
LUX:SMSDI's Operating Margin % is ranked worse than 87.69% of 3038
companies
in the Industrial Products industry
Industry Median: 6.53
vs LUX:SMSDI: -10.57
Samsung SDI Co's 5-Year Average Operating Margin % Growth Rate was 0.00% per year.
Samsung SDI Co Ltd had lost money in 50% of the time over the past 12quarters.
Samsung SDI Co (LUX:SMSDI) Operating Margin % Explanation
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.
Samsung SDI Co Operating Margin % Related Terms
Samsung SDI Co Operating Margin % Historical Data
* Premium members only.
The historical data trend for Samsung SDI Co'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.
LUX:SMSDI vs VRT, BE: Operating Margin % Comparison
For the Electrical Equipment & Parts subindustry, Samsung SDI Co'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.
Samsung SDI Co Operating Margin % vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Samsung SDI Co's Operating Margin % distribution charts can be found below:
* The bar in red indicates where Samsung SDI Co'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.
Samsung SDI Co'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.
Samsung SDI Co (LUX:SMSDI) has a Operating Margin % of -4.35% as of Mar. 2026. Operating margin is the ratio of total operating income to net sales. View historical data on Samsung SDI Co and its competitors. According to the industry distribution chart, Samsung SDI Co ranks #2664 out of 3038 companies in the Industrial Products industry, placing it in the top 87.7%.
Is Samsung SDI Co's Operating Margin % too high?
Samsung SDI Co's current Operating Margin % is -4.35%. Based on the distribution chart, Samsung SDI Co ranks #2664 out of 3038 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Samsung SDI Co has a GF Score™ of 58/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Samsung SDI Co's Operating Margin % compare to VRT and BE?
According to the Industrial Products industry distribution chart, Samsung SDI Co ranks #2664 out of 3038 companies for Operating Margin %. This places Samsung SDI Co in the lower half of its industry. The industry median Operating Margin % is 6.53. 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 an Industrial Products company?
The median Operating Margin % among Industrial Products companies is 6.53, based on 3,038 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. 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 Samsung SDI Co and its competitors. For the Industrial Products industry, the median Operating Margin % is 6.53 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Samsung SDI Co's current Operating Margin % is -4.35%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Samsung SDI Co stock overvalued right now?
Based on GuruFocus' analysis, Samsung SDI Co (LUX:SMSDI) is currently considered Significantly Overvalued. The stock's GF Value™ is $43.61, compared to a current price of $95.00 — trading 117.8% above its estimated fair value. The current Operating Margin % is -4.35%. Samsung SDI Co's overall GF Score™ is 58/100 with 8 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 Samsung SDI Co (LUX:SMSDI), the current Operating Margin % is -4.35% as of Mar. 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 Samsung SDI Co (LUX:SMSDI) Overvalued in 2026?
Based on GuruFocus' analysis, Samsung SDI Co stock appears to be overvalued.
The current stock price of $95.00 is trading 117.8% above its estimated GF Value™ of $43.61.
GuruFocus considers Samsung SDI Co to be Significantly Overvalued.
Key valuation signals for LUX:SMSDI:
Operating Margin %: -4.35%
GF Value™: $43.61 vs. price of $95.00 (117.8% above fair value)
No single metric tells the full story. See the LUX:SMSDI stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Samsung SDI is one of the top suppliers of lithium-ion rechargeable batteries, providing cylindrical batteries for consumer electronics products such as laptops, polymer rechargeable batteries for smartphones and tablets, and has been focusing its resources to establish its footprint on automotive rechargeable batteries. The company is the second-largest supplier of batteries for consumer electronics products, and the eighth player in automotive batteries. The company also offers electronic materials for semiconductors and flat-panel displays, making it an important internal supplier for Samsung Electronics.
58GF Score
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