As of today (2026-07-07), ION Electronic Materials Co's weighted average cost of capital is 9.7%%. ION Electronic Materials Co's ROIC % is -3.68% (calculated using TTM income statement data).
ION Electronic Materials Co earns returns that do not match up to its cost of capital. It will destroy value as it grows.
*Note: The beta of this company cannot be obtained because it has a price history shorter than 3 years. It will thus be set to 1 as default to calculate WACC.
For a comprehensive WACC calculation, please access the WACC Calculator.
ION Electronic Materials Co (ROCO:6959) WACC % Explanation
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, ION Electronic Materials Co's weighted average cost of capital is 9.7%%. ION Electronic Materials Co's ROIC % is -3.68% (calculated using TTM income statement data).
ION Electronic Materials Co earns returns that do not match up to its cost of capital. It will destroy value as it grows.
*Note: The beta of this company cannot be obtained because it has a price history shorter than 3 years. It will thus be set to 1 as default to calculate WACC.
Be Aware
1. GuruFocus uses book value of debt (D) to do the calculation. It is simplified by adding latest one-year semi-annual 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 semi-annual average debt to get the simplified cost of debt.
Related Terms
ION Electronic Materials Co WACC % Historical Data
* 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 Specialty Chemicals subindustry, ION Electronic Materials Co'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.
ION Electronic Materials Co WACC % vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, ION Electronic Materials Co's WACC % distribution charts can be found below:
* The bar in red indicates where ION Electronic Materials Co'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, ION Electronic Materials Co's market capitalization (E) is NT$5424.685 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 semi-annual average Short-Term Debt & Capital Lease Obligation and Long-Term Debt & Capital Lease Obligation together. As of Dec. 2025, ION Electronic Materials Co's latest one-year semi-annual average Book Value of Debt (D) is NT$556.8987 Mil.
a) weight of equity = E / (E + D) = 5424.685 / (5424.685 + 556.8987) = 0.9069
b) weight of debt = D / (E + D) = 556.8987 / (5424.685 + 556.8987) = 0.0931
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 4.499%. 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. ION Electronic Materials Co's beta cannot be obtained because it has a price history shorter than 3 years. It will thus be set to 1 as default to calculate WACC.
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 = 4.499% + 1 * 6% = 10.499%
3. Cost of Debt:
GuruFocus uses latest TTM Interest Expense divided by the latest one-year semi-annual average debt to get the simplified cost of debt.
As of Dec. 2025, ION Electronic Materials Co's interest expense (positive number) was NT$12.939 Mil. Its total Book Value of Debt (D) is NT$556.8987 Mil.
Cost of Debt = 12.939 / 556.8987 = 2.3234%.
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 = -21.998 / -117.743 = 18.68%.
* 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.
ION Electronic Materials Co (ROCO:6959) has a WACC % of 9.7% as of Jul. 07, 2026. The weighted average cost of capital (WACC) is the average rate a company pays to finance assets. View historical data on ION Electronic Materials Co and its competitors. This is near median its historical median of 9.14. Over the past decade, ION Electronic Materials Co's WACC % has ranged from 1.42 to 9.87. According to the industry distribution chart, ION Electronic Materials Co ranks #873 out of 1626 companies in the Chemicals industry, placing it in the top 53.7%.
Is ION Electronic Materials Co's WACC % too high?
ION Electronic Materials Co's current WACC % of 9.7% is near median its 10-year median of 9.14. Over the past 10 years, this metric has ranged from a low of 1.42 to a high of 9.87. The Chemicals industry median WACC % is 9.19. ION Electronic Materials Co's value of 9.7% is 5.5% above this industry median. Based on the distribution chart, ION Electronic Materials Co ranks #873 out of 1626 companies in the Chemicals industry, which is below the industry midpoint. Overall, ION Electronic Materials Co has a GF Score™ of 50/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does ION Electronic Materials Co's WACC % compare to LIN and SHW?
According to the Chemicals industry distribution chart, ION Electronic Materials Co ranks #873 out of 1626 companies for WACC %. This places ION Electronic Materials Co in the lower half of its industry. The industry median WACC % is 9.19. ION Electronic Materials Co's value of 9.7% is 5.5% above this benchmark. Historically, ION Electronic Materials Co's own WACC % has ranged from 1.42 to 9.87 over the past decade. While the company's 10-year median is 9.14 vs. the industry median of 9.19, ION Electronic Materials Co 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 Chemicals company?
The median WACC % among Chemicals companies is 9.19, based on 1,626 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. ION Electronic Materials Co's current WACC % of 9.7% is 5.5% 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 ION Electronic Materials Co and its competitors. For the Chemicals industry, the median WACC % is 9.19 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ION Electronic Materials Co's current WACC % is 9.7%, which is near median its own 10-year median of 9.14. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ION Electronic Materials Co stock overvalued right now?
Based on GuruFocus' analysis, ION Electronic Materials Co (ROCO:6959) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$89.41, compared to a current price of NT$138.50 — trading 54.9% above its estimated fair value. The current WACC % is 9.7%, which is near median its 10-year median of 9.14 and 5.5% above the Chemicals industry median of 9.19. ION Electronic Materials Co's overall GF Score™ is 50/100 with 4 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 ION Electronic Materials Co (ROCO:6959), the current WACC % is 9.7% as of Jul. 07, 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 ION Electronic Materials Co (ROCO:6959) Overvalued in 2026?
Based on GuruFocus' analysis, ION Electronic Materials Co stock appears to be overvalued.
The current stock price of NT$138.50 is trading 54.9% above its estimated GF Value™ of NT$89.41.
GuruFocus considers ION Electronic Materials Co to be Significantly Overvalued.
Key valuation signals for ROCO:6959:
WACC %: 9.7% (near median its 10-year median of 9.14)
GF Value™: NT$89.41 vs. price of NT$138.50 (54.9% above fair value)
Industry Position: 5.5% above the Chemicals median (#873 of 1626)
No single metric tells the full story. See the ROCO:6959 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
ION Electronic Materials Co Ltd focuses on special materials for the electronics industry and provides local services, With development capabilities and multi-national patents, it looks forward to contributing to Taiwan's technology industry. Its main products are advanced semiconductor materials. It has negative pressure steel cylinder production technology and localized production advantages. It has passed ISO 9001 certification and is a supplier partner of major semiconductor factories.
50GF Score
Get the complete analysis for ROCO:6959
WACC % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ROCO:6959 has been successfully added to your 
