Tungsten West (STU:540) ROC %: -9.65% (As of Sep. 2025)


STU:540 Tungsten West PLC STU:540
16 GF Score
Price €0.37
GF Value €0.03
Valuation Significantly Overvalued
! 4 Warning Signs
View Full Analysis

What is Tungsten West ROC %?

Tungsten West STU:540 -9.41% 16 ROC % is -9.65% as of Sep. 2025. GuruFocus rates STU:540 with a GF Score™ of 16/100 and a GF Value™ of €0.03 (Significantly Overvalued). The stock has 4 warning signs investors should review.

ROC % measures how well a company generates cash flow relative to the capital it has invested in its business. It is also called ROIC %. Tungsten West's annualized return on capital (ROC %) for the quarter that ended in Sep. 2025 was -9.65%.

As of today (2026-06-27), Tungsten West's WACC % is 22.07%. Tungsten West's ROC % is -10.84% (calculated using TTM income statement data). Tungsten West earns returns that do not match up to its cost of capital. It will destroy value as it grows.


Tungsten West  (STU:540) ROC % Explanation

ROC % measures how well a company generates cash flow relative to the capital it has invested in its business. It is also called ROIC %. The reason book values of debt and equity are used is because the book values are the capital the company received when issuing the debt or receiving the equity investments.

There are four key components to this definition. The first is the use of operating income or EBIT rather than net income in the numerator. The second is the tax adjustment to this operating income or EBIT, computed as a hypothetical tax based on an effective or marginal tax rate. The third is the use of book values for invested capital, rather than market values. The final is the timing difference; the capital invested is from the end of the prior year whereas the operating income or EBIT is the current year's number.

Why is ROC % important?

Because it costs money to raise capital. A firm that generates higher returns on investment than it costs the company to raise the capital needed for that investment is earning excess returns. A firm that expects to continue generating positive excess returns on new investments in the future will see its value increase as growth increases, whereas a firm that earns returns that do not match up to its cost of capital will destroy value as it grows.

As of today, Tungsten West's WACC % is 22.07%. Tungsten West's ROC % is -10.84% (calculated using TTM income statement data). Tungsten West earns returns that do not match up to its cost of capital. It will destroy value as it grows.


Be Aware

Like ROE % and ROA %, ROC % is calculated with only 12 months of data. Fluctuations in the company's earnings or business cycles can affect the ratio drastically. It is important to look at the ratio from a long term perspective.


Tungsten West ROC % Related Terms


Tungsten West ROC % Historical Data

* Premium members only.

The historical data trend for Tungsten West's ROC % 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.

Tungsten West ROC % Chart

Tungsten West Annual Data
Trend Mar20 Mar21 Mar22 Mar23 Mar24 Mar25
ROC %
Get a 7-Day Free Trial -31.44 -45.03 -31.93 -22.91 -17.54

Tungsten West Semi-Annual Data
Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25
ROC % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only -42.32 -7.39 -19.37 -13.34 -9.65
STU:540
16GF Score
Tungsten West PLC STU:540
ROC % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tungsten West ROC % Calculation

Tungsten West's annualized Return on Capital (ROC %) for the fiscal year that ended in Mar. 2025 is calculated as:

ROC % (A: Mar. 2025 )
=NOPAT/Average Invested Capital
=Operating Income * ( 1 - Tax Rate % )/( (Invested Capital (A: Mar. 2024 ) + Invested Capital (A: Mar. 2025 ))/ count )
=-11.365 * ( 1 - 1.2% )/( (59.991 + 68.012)/ 2 )
=-11.22862/64.0015
=-17.54 %

where

Tungsten West's annualized Return on Capital (ROC %) for the quarter that ended in Sep. 2025 is calculated as:

ROC % (Q: Sep. 2025 )
=NOPAT/Average Invested Capital
=Operating Income * ( 1 - Tax Rate % )/( (Invested Capital (Q: Mar. 2025 ) + Invested Capital (Q: Sep. 2025 ))/ count )
=-8.718 * ( 1 - 0% )/( (68.012 + 112.732)/ 2 )
=-8.718/90.372
=-9.65 %

where

Note: The Operating Income data used here is two times the semi-annual (Sep. 2025) data. The tax rate is limited to between 0% and 100%.

* 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 ROC % →
What does a ROC % of -9.65% mean?
Tungsten West (STU:540) has a ROC % of -9.65% as of Sep. 2025. Return on capital is the ratio of current-period net income to average two-period capital. View historical data on Tungsten West and its competitors.
Is Tungsten West's ROC % too high?
Tungsten West's current ROC % is -9.65%. Overall, Tungsten West has a GF Score™ of 16/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tungsten West's ROC % compare to competitors?
Tungsten West's ROC % of -9.65% can be compared against companies in the Metals & Mining industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROC % for a Metals & Mining company?
A good ROC % depends on the Metals & Mining industry context. However, ROC % 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 ROC % mean?
A high ROC % can signal that a stock is expensive relative to its fundamentals. Return on capital is the ratio of current-period net income to average two-period capital. View historical data on Tungsten West and its competitors. Tungsten West's current ROC % is -9.65%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tungsten West stock overvalued right now?
Based on GuruFocus' analysis, Tungsten West (STU:540) is currently considered Significantly Overvalued. The stock's GF Value™ is €0.03, compared to a current price of €0.37 — trading 1120% above its estimated fair value. The current ROC % is -9.65%. Tungsten West's overall GF Score™ is 16/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROC % calculated?
ROC % is calculated from a company's financial statements. For Tungsten West (STU:540), the current ROC % is -9.65% as of Sep. 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 Tungsten West (STU:540) Overvalued in 2026?

Based on GuruFocus' analysis, Tungsten West stock appears to be overvalued. The current stock price of €0.37 is trading 1120% above its estimated GF Value™ of €0.03. GuruFocus considers Tungsten West to be Significantly Overvalued.

Key valuation signals for STU:540:

  • ROC %: -9.65%
  • GF Value™: €0.03 vs. price of €0.37 (1120% above fair value)
  • GF Score™: 16/100 with 4 warning signs

No single metric tells the full story. See the STU:540 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tungsten West Business Description

Other Exchanges TUN:UK
Address Hemerdon Mine, Drakelands, Plympton, Plymouth, Devon, GBR, PL7 5BS
Tungsten West PLC is a mining exploration company. It is engaged in the mining of tungsten and tin and the processing of secondary aggregates at the Hemerdon Mine, located near Plymouth in southern Devon, United Kingdom.
16GF Score

Get the complete analysis for STU:540

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

€0.37
Price
€0.03
GF Value