SDI GroupSDIIF 93 Interest Coverage is 4.34 as of Oct. 2025, which is 77% below its 10-year median of 19.28. 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 1,671 Hardware companies, SDI Group ranks worse than 73.19% on this metric.
Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's
Operating Income
by its Interest Expense. SDI Group's
Operating Income
for the
six
months ended in Oct. 2025 was $4.30 Mil. SDI Group's Interest Expense for the
six
months ended in Oct. 2025 was $-0.99 Mil.
SDI Group's interest coverage for the quarter that ended in Oct. 2025 was 4.34.
The higher the ratio, the stronger the company's financial strength is.
The historical rank and industry rank for SDI Group's Interest Coverage or its related term are showing as below:
SDIIF'
s Interest Coverage Range Over the Past 10 Years
Min: 4.48 Med: 19.28 Max: 34.51
Current: 5.24
SDIIF's Interest Coverage is ranked worse than 73.19% of 1671
companies
in the Hardware industry
Industry Median: 13.79
vs SDIIF: 5.24
SDI Group (OTCPK:SDIIF) Interest Coverage Explanation
Ben Graham requires that a company has a minimum interest coverage of 5 with the companies he invested. If the interest coverage is less than 2, the company is burdened by debt. Any business slow or recession may drag the company into a situation where it cannot pay the interest on its debt.
Interest Coverage is an important factor when GuruFocus ranks a company's overage Financial Strength .
SDI Group Interest Coverage Related Terms
SDI Group Interest Coverage Historical Data
* Premium members only.
The historical data trend for SDI Group's Interest Coverage 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.
Note: For Interest Coverage, "No debt" indicates no long-term debt. An indication of "No Debt" does not necessarily mean that the company has no long-term debt obligations; it could be due to missing data in the quarterly or annual report. Use caution when interpreting this information.
SDIIF vs COHR, KEYS, GRMN: Interest Coverage Comparison
For the Scientific & Technical Instruments subindustry, SDI Group's Interest Coverage, along with its competitors' market caps and Interest Coverage 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 Interest Coverage vs Hardware Industry
For the Hardware industry and Technology sector, SDI Group's Interest Coverage distribution charts can be found below:
* The bar in red indicates where SDI Group's Interest Coverage falls into.
Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense:
* 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 Interest Coverage of 4.34 as of Oct. 2025. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on SDI Group and its competitors. This is 77% below median its historical median of 19.28. Over the past decade, SDI Group's Interest Coverage has ranged from 4.48 to 34.51. According to the industry distribution chart, SDI Group ranks #1223 out of 1671 companies in the Hardware industry, placing it in the top 73.2%.
Is SDI Group's Interest Coverage too high?
SDI Group's current Interest Coverage of 4.34 is 77% below median its 10-year median of 19.28. Over the past 10 years, this metric has ranged from a low of 4.48 to a high of 34.51. The Hardware industry median Interest Coverage is 13.79. SDI Group's value of 4.34 is 68.5% below this industry median. Based on the distribution chart, SDI Group ranks #1223 out of 1671 companies in the Hardware industry, which is below the industry midpoint. 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 Interest Coverage compare to COHR and KEYS?
According to the Hardware industry distribution chart, SDI Group ranks #1223 out of 1671 companies for Interest Coverage. This places SDI Group in the lower half of its industry. The industry median Interest Coverage is 13.79. SDI Group's value of 4.34 is 68.5% below this benchmark. Historically, SDI Group's own Interest Coverage has ranged from 4.48 to 34.51 over the past decade. While the company's 10-year median is 19.28 vs. the industry median of 13.79, SDI Group has consistently been below 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 Interest Coverage for a Hardware company?
The median Interest Coverage among Hardware companies is 13.79, based on 1,671 companies in the industry. Companies in the top quartile (top 25%) have a Interest Coverage significantly above this median, while those in the bottom quartile fall well below. However, Interest Coverage should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. SDI Group's current Interest Coverage of 4.34 is 68.5% below 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 Interest Coverage mean?
A high Interest Coverage can signal that a stock is expensive relative to its fundamentals. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on SDI Group and its competitors. For the Hardware industry, the median Interest Coverage is 13.79 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SDI Group's current Interest Coverage is 4.34, which is 77% below median its own 10-year median of 19.28. 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 Interest Coverage is 4.34, which is 77% below median its 10-year median of 19.28 and 68.5% below the Hardware industry median of 13.79. 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 Interest Coverage calculated?
Interest Coverage is calculated from a company's financial statements. For SDI Group (SDIIF), the current Interest Coverage is 4.34 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:
Interest Coverage: 4.34 (77% below median its 10-year median of 19.28)
GF Value™: $1.31 vs. price of $1.05 (19.8% below fair value)
Industry Position: 68.5% below the Hardware median (#1223 of 1671)
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
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