SDIIF (SDI Group) Profitability Rank: 9 (As of Oct. 2025) — 13% Above Median

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SDIIF SDI Group PLC SDIIF
94 GF Score
Price $1.13
GF Value $1.31
Valuation Modestly Undervalued
! 4 Warning Signs
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What is SDI Group Profitability Rank?

SDI Group SDIIF 94 Profitability Rank is 9 as of Oct. 2025, which is 13% above its 10-year median of 8.00. GuruFocus rates SDIIF with a GF Score™ of 94/100 and a GF Value™ of $1.31 (Modestly Undervalued). The stock has 4 warning signs investors should review.

SDI Group has the Profitability Rank of 9. It has a higher profitability and may stay that way.

GuruFocus Profitability Rank ranks how profitable a company is and how likely the company's business will stay that way. It is rated on a scale of 1 to 10 and is based on these factors:

1. Operating Margin %
2. Piotroski F-Score
3. Trend of the Operating Margin % (5-year average). The company with an uptrend profit margin has a higher rank.
4. Consistency of the profitability
5. Predictability Rank

A higher score indicates superior profitability, with companies rated 7 or above considered to have more robust and sustainable profit generation. Conversely, a score of 3 or lower suggests challenges in generating consistent profits.

SDI Group's Operating Margin % for the quarter that ended in Oct. 2025 was 9.45%. As of today, SDI Group's Piotroski F-Score is 6.


SDI Group Profitability Rank Related Terms


SDIIF vs COHR, KEYS, GRMN: Profitability Rank Comparison

For the Scientific & Technical Instruments subindustry, SDI Group's Profitability Rank, along with its competitors' market caps and Profitability Rank 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 Profitability Rank vs Hardware Industry

For the Hardware industry and Technology sector, SDI Group's Profitability Rank distribution charts can be found below:

* The bar in red indicates where SDI Group's Profitability Rank falls into.


SDIIF
94GF Score
SDI Group PLC SDIIF
Profitability Rank is just one metric. See GF Score™, valuation, warning signs, and more.
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SDI Group Profitability Rank Calculation

GuruFocus Profitability Rank ranks how profitable a company is and how likely the company's business will stay that way.

The rank is rated on a scale of 1 to 10. A higher score indicates superior profitability, with companies rated 7 or above considered to have more robust and sustainable profit generation. Conversely, a score of 3 or lower suggests challenges in generating consistent profits.

SDI Group has the Profitability Rank of 9. It has a higher profitability and may stay that way.

Profitability Rank is not directly related to the Financial Strength. But if a company is consistently profitable, its financial strength will be stronger.

Profitability Rank is based on these factors:

1. Operating Margin %

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.

SDI Group's Operating Margin % for the quarter that ended in Oct. 2025 is calculated as:

Operating Margin %=Operating Income (Q: Oct. 2025 ) / Revenue (Q: Oct. 2025 )
=4.295 / 45.429
=9.45 %

* 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.

2. Piotroski F-Score

The zones of discrimination were as such:

Good or high score = 8 or 9
Bad or low score = 0 or 1

SDI Group has an F-score of 6 indicating the company's financial situation is typical for a stable company.

3. Trend of the Operating Margin % (5-year average). The company with an uptrend profit margin has a higher rank.

Warning Sign:

SDI Group PLC operating margin has been in a 5-year decline. The average rate of decline per year is -8.6%.

4. Consistency of the profitability

5. Predictability Rank

Frequently Asked Questions Learn more about Profitability Rank →
What does a Profitability Rank of 9 mean?
SDI Group (SDIIF) has a Profitability Rank of 9 as of Oct. 2025. Profitability and Growth ranks a company based on its profit margins and earnings growth. View historical data on SDI Group and its competitors. This is 13% above median its historical median of 8.00. Over the past decade, SDI Group's Profitability Rank has ranged from 6.00 to 9.00.
Is SDI Group's Profitability Rank too high?
SDI Group's current Profitability Rank of 9 is 13% above median its 10-year median of 8.00. Over the past 10 years, this metric has ranged from a low of 6.00 to a high of 9.00. Overall, SDI Group has a GF Score™ of 94/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does SDI Group's Profitability Rank compare to COHR and KEYS?
SDI Group's Profitability Rank of 9 can be compared against companies in the Hardware industry. Historically, SDI Group's own Profitability Rank has ranged from 6.00 to 9.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Profitability Rank for a Hardware company?
A good Profitability Rank depends on the Hardware industry context. However, Profitability Rank 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 Profitability Rank mean?
A high Profitability Rank can signal that a stock is expensive relative to its fundamentals. Profitability and Growth ranks a company based on its profit margins and earnings growth. View historical data on SDI Group and its competitors. SDI Group's current Profitability Rank is 9, which is 13% above median its own 10-year median of 8.00. 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 $1.13 — trading 13.7% below its estimated fair value. The current Profitability Rank is 9, which is 13% above median its 10-year median of 8.00. SDI Group's overall GF Score™ is 94/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Profitability Rank calculated?
Profitability Rank is calculated from a company's financial statements. For SDI Group (SDIIF), the current Profitability Rank is 9 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 $1.13 is trading 13.7% below its estimated GF Value™ of $1.31. GuruFocus considers SDI Group to be Modestly Undervalued.

Key valuation signals for SDIIF:

  • Profitability Rank: 9 (13% above median its 10-year median of 8.00)
  • GF Value™: $1.31 vs. price of $1.13 (13.7% below fair value)
  • GF Score™: 94/100 with 4 warning signs

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 Business Description

Other Exchanges SDI:UKSD0:Germany
Address Nuffield Road, Beacon House, Cambridge, GBR, CB4 1TF
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.
94GF Score

Get the complete analysis for SDIIF

Profitability Rank is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$1.13
Price
$1.31
GF Value