SDIASX:SDI 61 Net Margin % is 6.13% as of Dec. 2025, which is 27% below its 10-year median of 8.43. GuruFocus rates ASX:SDI with a GF Score™ of 61/100 and a GF Value™ of A$0.96 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 817 Medical Devices & Instruments companies, SDI ranks better than 73.81% on this metric.
Net margin is calculated as Net Income divided by its Revenue. SDI's Net Income for the
six
months ended in Dec. 2025 was A$3.2 Mil. SDI's Revenue for the
six
months ended in Dec. 2025 was A$52.9 Mil. Therefore, SDI's net margin for the quarter that ended in Dec. 2025 was 6.13%.
The historical rank and industry rank for SDI's Net Margin % or its related term are showing as below:
ASX:SDI'
s Net Margin % Range Over the Past 10 Years
Min: 6.29 Med: 8.43 Max: 11.02
Current: 10.36
ASX:SDI's Net Margin % is ranked better than 73.81% of 817
companies
in the Medical Devices & Instruments industry
Industry Median: 2.09
vs ASX:SDI: 10.36
SDI (ASX:SDI) Net Margin % Explanation
Although Net Income and Earnings-per-Share (EPS) are the most widely used parameter in measuring a company's profitability and valuation, it is the least reliable. The reason is that reported earnings can be manipulated easily by adjusting any numbers such as Depreciation, Depletion and Amotorization and non-recurring items.
But the long term trend of the net margin is a good indicator of the competitiveness and health of the business.
SDI Net Margin % Related Terms
SDI Net Margin % Historical Data
* Premium members only.
The historical data trend for SDI's Net 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.
ASX:SDI vs ISRG, BDX, MDLN: Net Margin % Comparison
For the Medical Instruments & Supplies subindustry, SDI's Net Margin %, along with its competitors' market caps and Net 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.
SDI Net Margin % vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, SDI's Net Margin % distribution charts can be found below:
* The bar in red indicates where SDI's Net Margin % falls into.
* 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.
SDI (ASX:SDI) has a Net Margin % of 6.13% as of Dec. 2025. Net margin is the ratio of total net income to net sales. View historical data on SDI and its competitors. This is 27% below median its historical median of 8.43. Over the past decade, SDI's Net Margin % has ranged from 6.29 to 11.02. According to the industry distribution chart, SDI ranks #214 out of 817 companies in the Medical Devices & Instruments industry, placing it in the top 26.2%.
Is SDI's Net Margin % too high?
SDI's current Net Margin % of 6.13% is 27% below median its 10-year median of 8.43. Over the past 10 years, this metric has ranged from a low of 6.29 to a high of 11.02. The Medical Devices & Instruments industry median Net Margin % is 2.09. SDI's value of 6.13% is 193.3% above this industry median. Based on the distribution chart, SDI ranks #214 out of 817 companies in the Medical Devices & Instruments industry, which is above the industry midpoint. Overall, SDI has a GF Score™ of 61/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does SDI's Net Margin % compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, SDI ranks #214 out of 817 companies for Net Margin %. This puts SDI in the upper half of its industry. The industry median Net Margin % is 2.09. SDI's value of 6.13% is 193.3% above this benchmark. Historically, SDI's own Net Margin % has ranged from 6.29 to 11.02 over the past decade. While the company's 10-year median is 8.43 vs. the industry median of 2.09, SDI 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 Net Margin % for a Medical Devices & Instruments company?
The median Net Margin % among Medical Devices & Instruments companies is 2.09, based on 817 companies in the industry. Companies in the top quartile (top 25%) have a Net Margin % significantly above this median, while those in the bottom quartile fall well below. However, Net Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. SDI's current Net Margin % of 6.13% is 193.3% 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 Net Margin % mean?
A high Net Margin % can signal that a stock is expensive relative to its fundamentals. Net margin is the ratio of total net income to net sales. View historical data on SDI and its competitors. For the Medical Devices & Instruments industry, the median Net Margin % is 2.09 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SDI's current Net Margin % is 6.13%, which is 27% below median its own 10-year median of 8.43. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SDI stock overvalued right now?
Based on GuruFocus' analysis, SDI (ASX:SDI) is currently considered Significantly Overvalued. The stock's GF Value™ is A$0.96, compared to a current price of A$1.40 — trading 45.6% above its estimated fair value. The current Net Margin % is 6.13%, which is 27% below median its 10-year median of 8.43 and 193.3% above the Medical Devices & Instruments industry median of 2.09. SDI's overall GF Score™ is 61/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net Margin % calculated?
Net Margin % is calculated from a company's financial statements. For SDI (ASX:SDI), the current Net Margin % is 6.13% 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 SDI (ASX:SDI) Overvalued in 2026?
Based on GuruFocus' analysis, SDI stock appears to be overvalued.
The current stock price of A$1.40 is trading 45.6% above its estimated GF Value™ of A$0.96.
GuruFocus considers SDI to be Significantly Overvalued.
Key valuation signals for ASX:SDI:
Net Margin %: 6.13% (27% below median its 10-year median of 8.43)
GF Value™: A$0.96 vs. price of A$1.40 (45.6% above fair value)
Industry Position: 193.3% above the Medical Devices & Instruments median (#214 of 817)
No single metric tells the full story. See the ASX:SDI stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
SDI Ltd is engaged in the research and development, manufacturing, and marketing of specialist dental materials. Its products include dental accessories, adhesives, cements, composites, equipment, sealants, tooth whitening, and others. The company's geographical segments includes Australia; Europe; USA and Brazil. It derives a majority of revenue from Australia.
61GF Score
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