Tan Delta Systems has the GF Score of 23, which implies that the company
might have
Worst future performance potential, or not enough data.
The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.
GF Score takes following five key aspects into consideration:
Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.
Based on research and backtesting result, GuruFocus believes Tan Delta Systems
might have
Worst future performance potential, or not enough data.
Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.
Tan Delta Systems (LSE:TAND) GF Score Explanation
Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:
GF Score
Performance Potential and All-in-One Screener Examples (1)
(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.
Tan Delta Systems GF Score Related Terms
LSE:TAND vs SLB, BKR, HAL: GF Score Comparison
For the Oil & Gas Equipment & Services subindustry, Tan Delta Systems's GF Score, along with its competitors' market caps and GF Score 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 GF Score vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Tan Delta Systems's GF Score distribution charts can be found below:
* The bar in red indicates where Tan Delta Systems's GF Score falls into.
Tan Delta Systems (LSE:TAND) has a GF Score of 23 as of Jul. 02, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Tan Delta Systems and its competitors. This is 21% above median its historical median of 19.00. Over the past decade, Tan Delta Systems' GF Score has ranged from 13.00 to 26.00.
Is Tan Delta Systems' GF Score too high?
Tan Delta Systems' current GF Score of 23 is 21% above median its 10-year median of 19.00. Over the past 10 years, this metric has ranged from a low of 13.00 to a high of 26.00. Overall, Tan Delta Systems has a GF Score™ of 23/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tan Delta Systems' GF Score compare to SLB and BKR?
Tan Delta Systems' GF Score of 23 can be compared against companies in the Oil & Gas industry. Historically, Tan Delta Systems' own GF Score has ranged from 13.00 to 26.00 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 GF Score for an Oil & Gas company?
A good GF Score depends on the Oil & Gas industry context. However, GF Score 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 GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Tan Delta Systems and its competitors. Tan Delta Systems's current GF Score is 23, which is 21% above median its own 10-year median of 19.00. 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 GF Score is 23, which is 21% above median its 10-year median of 19.00. Tan Delta Systems' overall GF Score™ is 23/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Score calculated?
GF Score is calculated from a company's financial statements. For Tan Delta Systems (LSE:TAND), the current GF Score is 23 as of Jul. 02, 2026. 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:
GF Score: 23 (21% above median its 10-year median of 19.00)
GF Value™: £0.18 vs. price of £0.28 (55.6% above fair value)
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 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.
23GF Score
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