Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Cash flow from operations refers to the cash brought in through a company's normal business operations. It is the cash flow before any investment or financing activities. It is the cash version of net income.
SDI Group (OTCPK:SDIIF) Cash Flow from Operations Explanation
For companies reported in indirect method, cash flow from operations contains six items:
1. Net Income From Continuing Operations:
Net Income From Continuing Operations indicates the net income that a firm brings in from ongoing business activities. These activities are expected to continue into the next reporting period. It excludes extraordinary items, income from the cumulative effects of accounting changes, non-recurring items, income from tax loss carry forward, and preferred dividends.
SDI Group's net income from continuing operations for the
six
months ended in Oct. 2025 was $2.42 Mil.
2. Depreciation, Depletion and Amortization:
Depreciation is a present expense that accounts for the past cost of an asset that is now providing benefits.
Depletion and amortization are synonyms for depreciation.
Generally:
The term depreciation is used when discussing man made tangible assets
The term depletion is used when discussing natural tangible assets
The term amortization is used when discussing intangible assets
SDI Group's depreciation, depletion and amortization for the
six
months ended in Oct. 2025 was $3.12 Mil.
3. Change In Working Capital:
Working Capital is a measure of a company's short term liquidity or its ability to cover short term liabilities. It is defined as the difference between a company's current assets and current liabilities. Changes in Working Capital is reported in the cash flow statement since it is one of the major ways in which net income can differ from operating cash flow.
SDI Group's change in working capital for the
six
months ended in Oct. 2025 was $-1.80 Mil. It means SDI Group's working capital
declined by $1.80 Mil
from Apr. 2025 to Oct. 2025 .
4. Deferred Tax:
It is the cash flow generated from deferred tax.
SDI Group's cash flow from deferred tax for the
six
months ended in Oct. 2025 was $0.89 Mil.
SDI Group's cash from discontinued operating Activities for the
six
months ended in Oct. 2025 was $0.00 Mil.
6. Asset Impairment Charge:
It is the charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.
SDI Group's asset impairment charge for the
six
months ended in Oct. 2025 was $0.00 Mil.
7. Stock Based Compensation:
It is a way corporations use stock options to reward employees. It provides executives and employees the opportunity to share in the growth of the company and, if structured properly, can align their interests with the interests of the company's shareholders and investors, without burning the company's cash on hand.
SDI Group's stock based compensation for the
six
months ended in Oct. 2025 was $0.03 Mil.
8. Cash Flow from Others:
These are cash differences caused by the change of inventory, accounts payable, accounts receivable etc. For instance, if a company pays its suppliers slower, its cash position will build up faster. If a company receives payments from its customers slower, its account receivables will rise, and its cash position will grow more slowly (or even shrink).
SDI Group's cash flow from others for the
six
months ended in Oct. 2025 was $-1.33 Mil.
SDI Group Cash Flow from Operations Related Terms
SDI Group Cash Flow from Operations Historical Data
* Premium members only.
The historical data trend for SDI Group's Cash Flow from Operations 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.
Cash flow from operations refers to the cash brought in through a company's normal business operations. It is the cash flow before any investment or financing activities. It is the cash version of net income.
SDI Group's Cash Flow from Operations for the fiscal year that ended in Apr. 2025 is calculated as:
Cash Flow from Operations for the trailing twelve months (TTM) ended in Oct. 2025 adds up the semi-annually data reported by the company within the most recent 12 months, which was $11.56 Mil.
* 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.
What does a Cash Flow from Operations of $11.56 Mil mean?
SDI Group (SDIIF) has a Cash Flow from Operations of $11.56 Mil as of Oct. 2025. Cash Flow from Operations is the amount of cash earned or paid from standard business operations. View historical data for SDI Group and its competitors.
Is SDI Group's Cash Flow from Operations too high?
SDI Group's current Cash Flow from Operations is $11.56 Mil. 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 Cash Flow from Operations compare to COHR and KEYS?
SDI Group's Cash Flow from Operations of $11.56 Mil can be compared against companies in the Hardware industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cash Flow from Operations for a Hardware company?
A good Cash Flow from Operations depends on the Hardware industry context. However, Cash Flow from Operations 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 Cash Flow from Operations mean?
A high Cash Flow from Operations can signal that a stock is expensive relative to its fundamentals. Cash Flow from Operations is the amount of cash earned or paid from standard business operations. View historical data for SDI Group and its competitors. SDI Group's current Cash Flow from Operations is $11.56 Mil. 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 Cash Flow from Operations is $11.56 Mil. 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 Cash Flow from Operations calculated?
Cash Flow from Operations is calculated from a company's financial statements. For SDI Group (SDIIF), the current Cash Flow from Operations is $11.56 Mil 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:
Cash Flow from Operations: $11.56 Mil
GF Value™: $1.31 vs. price of $1.13 (13.7% below fair value)
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.
94GF Score
Get the complete analysis for SDIIF
Cash Flow from Operations 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 
