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Grangex ABOSTO:GRANGX -9.16%31 WACC % is 31.56% as of Aug. 28, 2026, which is 130% above its 10-year median of 13.75. GuruFocus rates OSTO:GRANGX with a GF Score™ of 31/100 and a GF Value™ of kr9.62 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 2,677 Metals & Mining companies, Grangex AB ranks worse than 97.53% on this metric.
As of today (2026-08-28), Grangex AB's weighted average cost of capital is 31.56%%. Grangex AB's ROIC % is -4.04% (calculated using TTM income statement data).
Grangex AB earns returns that do not match up to its cost of capital. It will destroy value as it grows.
For a comprehensive WACC calculation, please access the WACC Calculator.
Because it costs money to raise capital. A firm that generates higher ROIC % 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, Grangex AB's weighted average cost of capital is 31.56%%. Grangex AB's ROIC % is -4.04% (calculated using TTM income statement data).
Grangex AB earns returns that do not match up to its cost of capital. It will destroy value as it grows.
Be Aware
1. GuruFocus uses book value of debt (D) to do the calculation. It is simplified by adding latest one-year quarterly average Short-Term Debt & Capital Lease Obligation and Long-Term Debt & Capital Lease Obligation together.
For companies that report quarterly, GuruFocus combines all of the most recent year's quarterly debt data from the beginning of the year to the year-end and calculates the average.
For companies that report semi-annually, GuruFocus combines all of the most recent year's semi-annual debt data from the start of the year to the year-end and calculates the average.
For companies that report annually, GuruFocus combines the beginning and ending annual debt data from the most recent year and then calculates the average.
2. The WACC formula discussed above does not include Preferred Stock. Please adjust if preferred stock is considered.
3. (Expected Return of the Market - Risk-Free Rate of Return) is also called market premium. GuruFocus requires market premium to be 6%.
4. GuruFocus uses the latest TTM Interest Expense divided by the latest one-year quarterly average debt to get the simplified cost of debt.
Related Terms
Grangex AB WACC % Historical Data
* Premium members only.
The historical data trend for Grangex AB's WACC % 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.
For the Other Precious Metals & Mining subindustry, Grangex AB's WACC %, along with its competitors' market caps and WACC % 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.
Grangex AB WACC % vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Grangex AB's WACC % distribution charts can be found below:
* The bar in red indicates where Grangex AB's WACC % falls into.
The weighted average cost of capital (WACC) is the rate that a company is expected to pay on average to all its security holders to finance its assets. The WACC is commonly referred to as the firm's cost of capital. Generally speaking, a company's assets are financed by debt and equity. WACC is the average of the costs of these sources of financing, each of which is weighted by its respective use in the given situation. By taking a weighted average, we can see how much interest the company has to pay for every dollar it finances.
WACC
=
E
/
(E + D)
*
Cost of Equity
+
D
/
(E + D)
*
Cost of Debt
*
(1 - Tax Rate)
1. Weights:
Generally speaking, a company's assets are financed by debt and equity. We need to calculate the weight of equity and the weight of debt.
The market value of equity (E) is also called "Market Cap". As of today, Grangex AB's market capitalization (E) is kr530.568 Mil.
The market value of debt is typically difficult to calculate, therefore, GuruFocus uses book value of debt (D) to do the calculation. It is simplified by adding the latest one-year quarterly average Short-Term Debt & Capital Lease Obligation and Long-Term Debt & Capital Lease Obligation together. As of Mar. 2026, Grangex AB's latest one-year quarterly average Book Value of Debt (D) is kr95.6434 Mil.
a) weight of equity = E / (E + D) = 530.568 / (530.568 + 95.6434) = 0.8473
b) weight of debt = D / (E + D) = 95.6434 / (530.568 + 95.6434) = 0.1527
2. Cost of Equity:
GuruFocus uses Capital Asset Pricing Model (CAPM) to calculate the required rate of return. The formula is:
Cost of Equity = Risk-Free Rate of Return + Beta of Asset * (Expected Return of the Market - Risk-Free Rate of Return)
a) GuruFocus uses 10-Year Treasury Constant Maturity Rate as the risk-free rate. It is updated daily. The current risk-free rate is 2.7807%. Please go to Economic Indicators page for more information. Please note that we use the 10-Year Treasury Constant Maturity Rate of the country/region where the company is headquartered. If the data for that country/region is not available, then we will use the 10-Year Treasury Constant Maturity Rate of the United States as default.
b) Beta is the sensitivity of the expected excess asset returns to the expected excess market returns. Grangex AB's beta is -0.0930.
c) (Expected Return of the Market - Risk-Free Rate of Return) is also called market premium. GuruFocus requires market premium to be 6%.
Cost of Equity = 2.7807% + -0.0930 * 6% = 2.2227%
3. Cost of Debt:
GuruFocus uses latest TTM Interest Expense divided by the latest one-year quarterly average debt to get the simplified cost of debt.
As of Mar. 2026, Grangex AB's interest expense (positive number) was kr185.982 Mil. Its total Book Value of Debt (D) is kr95.6434 Mil.
Cost of Debt = 185.982 / 95.6434 = 194.4536%.
4. Multiply by one minus TTM Tax Rate:
GuruFocus uses the most recent TTM Tax Expense divided by the most recent TTM Pre-Tax Income to calculate the tax rate. The calculated TTM tax rate is limited to between 0% and 100%. If the calculated tax rate is higher than 100%, it is set to 100%. If the calculated tax rate is less than 0%, it is set to 0%.
The latest calculated TTM Tax Rate = -0.062 / -145.651 = 0.04%.
Grangex AB's Weighted Average Cost Of Capital (WACC) for Today is calculated as:
WACC
=
E / (E + D)
*
Cost of Equity
+
D / (E + D)
*
Cost of Debt
*
(1 - Tax Rate)
=
0.8473
*
2.2227%
+
0.1527
*
194.4536%
*
(1 - 0.04%)
=
31.56%
* 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.
Grangex AB (OSTO:GRANGX) has a WACC % of 31.56% as of Aug. 28, 2026. The weighted average cost of capital (WACC) is the average rate a company pays to finance assets. View historical data on Grangex AB and its competitors. This is 130% above median its historical median of 13.75. Over the past decade, Grangex AB's WACC % has ranged from 6.29 to 39.19. According to the industry distribution chart, Grangex AB ranks #2611 out of 2677 companies in the Metals & Mining industry, placing it in the top 97.5%.
Is Grangex AB's WACC % too high?
Grangex AB's current WACC % of 31.56% is 130% above median its 10-year median of 13.75. Over the past 10 years, this metric has ranged from a low of 6.29 to a high of 39.19. The Metals & Mining industry median WACC % is 9.58. Grangex AB's value of 31.56% is 229.4% above this industry median. Based on the distribution chart, Grangex AB ranks #2611 out of 2677 companies in the Metals & Mining industry, which is in the bottom quartile relative to peers. Overall, Grangex AB has a GF Score™ of 31/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Grangex AB's WACC % compare to HL and SIND?
According to the Metals & Mining industry distribution chart, Grangex AB ranks #2611 out of 2677 companies for WACC %. This places Grangex AB in the lower half of its industry. The industry median WACC % is 9.58. Grangex AB's value of 31.56% is 229.4% above this benchmark. Historically, Grangex AB's own WACC % has ranged from 6.29 to 39.19 over the past decade. While the company's 10-year median is 13.75 vs. the industry median of 9.58, Grangex AB has consistently been above 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 WACC % for a Metals & Mining company?
The median WACC % among Metals & Mining companies is 9.58, based on 2,677 companies in the industry. Companies in the top quartile (top 25%) have a WACC % significantly above this median, while those in the bottom quartile fall well below. However, WACC % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Grangex AB's current WACC % of 31.56% is 229.4% above 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 WACC % mean?
A high WACC % can signal that a stock is expensive relative to its fundamentals. The weighted average cost of capital (WACC) is the average rate a company pays to finance assets. View historical data on Grangex AB and its competitors. For the Metals & Mining industry, the median WACC % is 9.58 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Grangex AB's current WACC % is 31.56%, which is 130% above median its own 10-year median of 13.75. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Grangex AB stock overvalued right now?
Based on GuruFocus' analysis, Grangex AB (OSTO:GRANGX) is currently considered Significantly Overvalued. The stock's GF Value™ is kr9.62, compared to a current price of kr37.70 — trading 291.9% above its estimated fair value. The current WACC % is 31.56%, which is 130% above median its 10-year median of 13.75 and 229.4% above the Metals & Mining industry median of 9.58. Grangex AB's overall GF Score™ is 31/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is WACC % calculated?
WACC % is calculated from a company's financial statements. For Grangex AB (OSTO:GRANGX), the current WACC % is 31.56% as of Aug. 28, 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 Grangex AB (OSTO:GRANGX) Overvalued in 2026?
Based on GuruFocus' analysis, Grangex AB stock appears to be overvalued.
The current stock price of kr37.70 is trading 291.9% above its estimated GF Value™ of kr9.62.
GuruFocus considers Grangex AB to be Significantly Overvalued.
Key valuation signals for OSTO:GRANGX:
WACC %: 31.56% (130% above median its 10-year median of 13.75)
GF Value™: kr9.62 vs. price of kr37.70 (291.9% above fair value)
Industry Position: 229.4% above the Metals & Mining median (#2611 of 2677)
No single metric tells the full story. See the OSTO:GRANGX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Grangex AB is a European mineral development company that develops and engages in the responsible extraction and recycling of minerals that contribute to society and climate. Its operations include Grangex Dannemora: Grangex Apatite: and Sala Bly.
31GF Score
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