SDI GroupSDIIF 93 FCF Margin % is 3.80% as of Oct. 2025, which is 68% below its 10-year median of 11.70. GuruFocus rates SDIIF with a GF Score™ of 93/100 and a GF Value™ of $1.31 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 2,469 Hardware companies, SDI Group ranks better than 80.52% on this metric.
FCF Margin % is calculated as Free Cash Flow divided by its Revenue. SDI Group's Free Cash Flow for the
six
months ended in Oct. 2025 was $1.73 Mil. SDI Group's Revenue for the
six
months ended in Oct. 2025 was $45.43 Mil. Therefore, SDI Group's FCF Margin % for the quarter that ended in Oct. 2025 was 3.80%.
The historical rank and industry rank for SDI Group's FCF Margin % or its related term are showing as below:
SDIIF'
s FCF Margin % Range Over the Past 10 Years
Min: 4.35 Med: 11.7 Max: 26.29
Current: 9.47
During the past 13 years, the highest FCF Margin % of SDI Group was 26.29%. The lowest was 4.35%. And the median was 11.70%.
SDIIF's FCF Margin % is ranked better than 80.52% of 2469
companies
in the Hardware industry
Industry Median: 0.63
vs SDIIF: 9.47
SDI Group FCF Margin % Related Terms
SDI Group FCF Margin % Historical Data
* Premium members only.
The historical data trend for SDI Group's FCF 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.
SDIIF vs COHR, KEYS, GRMN: FCF Margin % Comparison
For the Scientific & Technical Instruments subindustry, SDI Group's FCF Margin %, along with its competitors' market caps and FCF 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 Group FCF Margin % vs Hardware Industry
For the Hardware industry and Technology sector, SDI Group's FCF Margin % distribution charts can be found below:
* The bar in red indicates where SDI Group's FCF 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 Group (SDIIF) has a FCF Margin % of 3.80% as of Oct. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on SDI Group and its competitors. This is 68% below median its historical median of 11.70. Over the past decade, SDI Group's FCF Margin % has ranged from 4.35 to 26.29. According to the industry distribution chart, SDI Group ranks #481 out of 2469 companies in the Hardware industry, placing it in the top 19.5%.
Is SDI Group's FCF Margin % too high?
SDI Group's current FCF Margin % of 3.80% is 68% below median its 10-year median of 11.70. Over the past 10 years, this metric has ranged from a low of 4.35 to a high of 26.29. The Hardware industry median FCF Margin % is 0.63. SDI Group's value of 3.80% is 503.2% above this industry median. Based on the distribution chart, SDI Group ranks #481 out of 2469 companies in the Hardware industry, which is in the top quartile — a strong position relative to peers. Overall, SDI Group has a GF Score™ of 93/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does SDI Group's FCF Margin % compare to COHR and KEYS?
According to the Hardware industry distribution chart, SDI Group ranks #481 out of 2469 companies for FCF Margin %. This places SDI Group in the top 20% of its industry — outperforming the majority of peers. The industry median FCF Margin % is 0.63. SDI Group's value of 3.80% is 503.2% above this benchmark. Historically, SDI Group's own FCF Margin % has ranged from 4.35 to 26.29 over the past decade. While the company's 10-year median is 11.70 vs. the industry median of 0.63, SDI Group 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 FCF Margin % for a Hardware company?
The median FCF Margin % among Hardware companies is 0.63, based on 2,469 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. SDI Group's current FCF Margin % of 3.80% is 503.2% 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 FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on SDI Group and its competitors. For the Hardware industry, the median FCF Margin % is 0.63 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SDI Group's current FCF Margin % is 3.80%, which is 68% below median its own 10-year median of 11.70. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SDI Group stock overvalued right now?
Based on GuruFocus' analysis, SDI Group (SDIIF) is currently considered Modestly Undervalued. The stock's GF Value™ is $1.31, compared to a current price of $1.05 — trading 19.8% below its estimated fair value. The current FCF Margin % is 3.80%, which is 68% below median its 10-year median of 11.70 and 503.2% above the Hardware industry median of 0.63. SDI Group's overall GF Score™ is 93/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For SDI Group (SDIIF), the current FCF Margin % is 3.80% as of Oct. 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 Group (SDIIF) Overvalued in 2026?
Based on GuruFocus' analysis, SDI Group stock appears to be undervalued.
The current stock price of $1.05 is trading 19.8% below its estimated GF Value™ of $1.31.
GuruFocus considers SDI Group to be Modestly Undervalued.
Key valuation signals for SDIIF:
FCF Margin %: 3.80% (68% below median its 10-year median of 11.70)
GF Value™: $1.31 vs. price of $1.05 (19.8% below fair value)
Industry Position: 503.2% above the Hardware median (#481 of 2469)
No single metric tells the full story. See the SDIIF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
SDI Group PLC designs and manufactures scientific and technology products for use by the life science, healthcare, astronomy, consumer manufacturing, and art conservation markets through Synoptics, the Artemis, the Opus instruments, and Astles Control systems brands. The Digital Imaging segment incorporates the Synoptics brands Syngene, Synbiosis, Synoptics Health and Fistreem, the Atik brands Atik Cameras, Opus, and Quantum Scientific Imaging, and the Graticules Optics business. The Sensors & Control segment combines Sentek, Astles Control Systems, Applied Thermal Control, Thermal Exchange, MPB Industries, and Chell Instruments businesses. It operates in the UK, Europe, America, Rest of Asia, and Rest of the world segments. It derives majority of its revenues from the United Kingdom.
93GF Score
Get the complete analysis for SDIIF
FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
SDIIF has been successfully added to your 
