Tan Delta Systems (LSE:TAND) OCF Margin %: -79.17% (As of Dec. 2025)


LSE:TAND Tan Delta Systems PLC LSE:TAND
25 GF Score
Price £0.28
GF Value £0.18
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Tan Delta Systems OCF Margin %?

Tan Delta Systems LSE:TAND 25 OCF Margin % is -79.17% as of Dec. 2025. GuruFocus rates LSE:TAND with a GF Score™ of 25/100 and a GF Value™ of £0.18 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 906 Oil & Gas companies, Tan Delta Systems ranks worse than 93.16% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. Tan Delta Systems's Cash Flow from Operations for the six months ended in Dec. 2025 was £-0.55 Mil. Tan Delta Systems's Revenue for the six months ended in Dec. 2025 was £0.70 Mil. Therefore, Tan Delta Systems's OCF Margin % for the quarter that ended in Dec. 2025 was -79.17%.

As of today, Tan Delta Systems's current OCF Yield % is -7.93%.

The historical rank and industry rank for Tan Delta Systems's OCF Margin % or its related term are showing as below:

LSE:TAND' s OCF Margin % Range Over the Past 10 Years
Min: -133.14   Med: -31.4   Max: 13.26
Current: -133.06


During the past 6 years, the highest OCF Margin % of Tan Delta Systems was 13.26%. The lowest was -133.14%. And the median was -31.40%.

LSE:TAND's OCF Margin % is ranked worse than
93.16% of 906 companies
in the Oil & Gas industry
Industry Median: 13.93 vs LSE:TAND: -133.06


Tan Delta Systems OCF Margin % Related Terms


Tan Delta Systems OCF Margin % Historical Data

* Premium members only.

The historical data trend for Tan Delta Systems's OCF 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.

Tan Delta Systems OCF Margin % Chart

Tan Delta Systems Annual Data
Trend Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Margin %
Get a 7-Day Free Trial 7.93 13.26 -65.75 -127.08 -133.14

Tan Delta Systems Semi-Annual Data
Dec20 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
OCF Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only -232.93 -146.58 -104.12 -204.37 -79.17

LSE:TAND vs SLB, BKR, HAL: OCF Margin % Comparison

For the Oil & Gas Equipment & Services subindustry, Tan Delta Systems's OCF Margin %, along with its competitors' market caps and OCF 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.


Tan Delta Systems OCF Margin % vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Tan Delta Systems's OCF Margin % distribution charts can be found below:

* The bar in red indicates where Tan Delta Systems's OCF Margin % falls into.


LSE:TAND
25GF Score
Tan Delta Systems PLC LSE:TAND
OCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Tan Delta Systems OCF Margin % Calculation

OCF Margin % is the ratio of Cash Flow from Operations divided by net sales or Revenue, usually presented in percent.

Tan Delta Systems's OCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=-1.627/1.222
=-133.14 %

Tan Delta Systems's OCF Margin for the quarter that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=-0.551/0.696
=-79.17 %

* 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.

Frequently Asked Questions Learn more about OCF Margin % →
What does a OCF Margin % of -79.17% mean?
Tan Delta Systems (LSE:TAND) has a OCF Margin % of -79.17% as of Dec. 2025. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Tan Delta Systems and its competitors. According to the industry distribution chart, Tan Delta Systems ranks #844 out of 906 companies in the Oil & Gas industry, placing it in the top 93.2%.
Is Tan Delta Systems' OCF Margin % too high?
Tan Delta Systems' current OCF Margin % is -79.17%. Based on the distribution chart, Tan Delta Systems ranks #844 out of 906 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, Tan Delta Systems has a GF Score™ of 25/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tan Delta Systems' OCF Margin % compare to SLB and BKR?
According to the Oil & Gas industry distribution chart, Tan Delta Systems ranks #844 out of 906 companies for OCF Margin %. This places Tan Delta Systems in the lower half of its industry. The industry median OCF Margin % is 13.93. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good OCF Margin % for an Oil & Gas company?
The median OCF Margin % among Oil & Gas companies is 13.93, based on 906 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Tan Delta Systems and its competitors. For the Oil & Gas industry, the median OCF Margin % is 13.93 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tan Delta Systems's current OCF Margin % is -79.17%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tan Delta Systems stock overvalued right now?
Based on GuruFocus' analysis, Tan Delta Systems (LSE:TAND) is currently considered Significantly Overvalued. The stock's GF Value™ is £0.18, compared to a current price of £0.28 — trading 55.6% above its estimated fair value. The current OCF Margin % is -79.17%. Tan Delta Systems' overall GF Score™ is 25/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Tan Delta Systems (LSE:TAND), the current OCF Margin % is -79.17% 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 Tan Delta Systems (LSE:TAND) Overvalued in 2026?

Based on GuruFocus' analysis, Tan Delta Systems stock appears to be overvalued. The current stock price of £0.28 is trading 55.6% above its estimated GF Value™ of £0.18. GuruFocus considers Tan Delta Systems to be Significantly Overvalued.

Key valuation signals for LSE:TAND:

  • OCF Margin %: -79.17%
  • GF Value™: £0.18 vs. price of £0.28 (55.6% above fair value)
  • GF Score™: 25/100 with 4 warning signs

No single metric tells the full story. See the LSE:TAND stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tan Delta Systems Business Description

Industry EnergyOil & Gas
Other Exchanges TB4:Germany
Address Church Lane, 1 Carrera Court, Dinnington, Sheffield, GBR, S25 2RG
Tan Delta Systems PLC develops real-time oil analysis and analytic technologies and products with capabilities that enable equipment operators to significantly reduce operating costs, improve efficiency, and reduce carbon footprint. It develops all its core technologies and products in-house, with manufacturing undertaken by its carefully selected manufacturing partners with whom its dedicated production QA department works. Its products include Sensors, Kits, Display solutions, Gateways & modems, and Accessories & services. Geographically, its solutions are in use across the UK, Europe, North and South America, Asia, and the Middle East.
25GF Score

Get the complete analysis for LSE:TAND

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

£0.28
Price
£0.18
GF Value