Smurfit WestRockMEX:SW1 N 47 WACC % is 6.91% as of Jun. 25, 2026, which is 16% above its 10-year median of 5.98. GuruFocus rates MEX:SW1 N with a GF Score™ of 47/100 and a GF Value™ of MXN682.34 (Fairly Valued). The stock has 8 warning signs investors should review. Among 414 Packaging & Containers companies, Smurfit WestRock ranks better than 56.76% on this metric.
As of today (2026-06-25), Smurfit WestRock's weighted average cost of capital is 6.91%%. Smurfit WestRock's ROIC % is 2.74% (calculated using TTM income statement data).
Smurfit WestRock 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.
Smurfit WestRock (MEX:SW1 N) 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, Smurfit WestRock's weighted average cost of capital is 6.91%%. Smurfit WestRock's ROIC % is 2.74% (calculated using TTM income statement data).
Smurfit WestRock 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 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
Smurfit WestRock WACC % Historical Data
* Premium members only.
The historical data trend for Smurfit WestRock'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 Packaging & Containers subindustry, Smurfit WestRock'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.
Smurfit WestRock WACC % vs Packaging & Containers Industry
For the Packaging & Containers industry and Consumer Cyclical sector, Smurfit WestRock's WACC % distribution charts can be found below:
* The bar in red indicates where Smurfit WestRock'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, Smurfit WestRock's market capitalization (E) is MXN428810.683 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, Smurfit WestRock's latest one-year quarterly average Book Value of Debt (D) is MXN265048.5196 Mil.
a) weight of equity = E / (E + D) = 428810.683 / (428810.683 + 265048.5196) = 0.618
b) weight of debt = D / (E + D) = 265048.5196 / (428810.683 + 265048.5196) = 0.382
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 3.2411%. 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. Smurfit WestRock'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 = 3.2411% + 1 * 6% = 9.2411%
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, Smurfit WestRock's interest expense (positive number) was MXN14394.763 Mil. Its total Book Value of Debt (D) is MXN265048.5196 Mil.
Cost of Debt = 14394.763 / 265048.5196 = 5.431%.
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 = 5016.101 / 11921.49 = 42.08%.
Smurfit WestRock'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)
=
0.618
*
9.2411%
+
0.382
*
5.431%
*
(1 - 42.08%)
=
6.91%
* 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.
Smurfit WestRock (MEX:SW1 N) has a WACC % of 6.91% as of Jun. 25, 2026. The weighted average cost of capital (WACC) is the average rate a company pays to finance assets. View historical data on Smurfit WestRock and its competitors. This is 16% above median its historical median of 5.98. Over the past decade, Smurfit WestRock's WACC % has ranged from 4.73 to 7.51. According to the industry distribution chart, Smurfit WestRock ranks #179 out of 414 companies in the Packaging & Containers industry, placing it in the top 43.2%.
Is Smurfit WestRock's WACC % too high?
Smurfit WestRock's current WACC % of 6.91% is 16% above median its 10-year median of 5.98. Over the past 10 years, this metric has ranged from a low of 4.73 to a high of 7.51. The Packaging & Containers industry median WACC % is 7.47. Smurfit WestRock's value of 6.91% is 7.4% below this industry median. Based on the distribution chart, Smurfit WestRock ranks #179 out of 414 companies in the Packaging & Containers industry, which is above the industry midpoint. Overall, Smurfit WestRock has a GF Score™ of 47/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Smurfit WestRock's WACC % compare to PKG and AMCR?
According to the Packaging & Containers industry distribution chart, Smurfit WestRock ranks #179 out of 414 companies for WACC %. This puts Smurfit WestRock in the upper half of its industry. The industry median WACC % is 7.47. Smurfit WestRock's value of 6.91% is 7.4% below this benchmark. Historically, Smurfit WestRock's own WACC % has ranged from 4.73 to 7.51 over the past decade. While the company's 10-year median is 5.98 vs. the industry median of 7.47, Smurfit WestRock has consistently been below 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 Packaging & Containers company?
The median WACC % among Packaging & Containers companies is 7.47, based on 414 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. Smurfit WestRock's current WACC % of 6.91% is 7.4% below 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 Smurfit WestRock and its competitors. For the Packaging & Containers industry, the median WACC % is 7.47 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Smurfit WestRock's current WACC % is 6.91%, which is 16% above median its own 10-year median of 5.98. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Smurfit WestRock stock overvalued right now?
Based on GuruFocus' analysis, Smurfit WestRock (MEX:SW1 N) is currently considered Fairly Valued. The stock's GF Value™ is MXN682.34, compared to a current price of MXN680.00 — trading 0.3% below its estimated fair value. The current WACC % is 6.91%, which is 16% above median its 10-year median of 5.98 and 7.4% below the Packaging & Containers industry median of 7.47. Smurfit WestRock's overall GF Score™ is 47/100 with 8 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 Smurfit WestRock (MEX:SW1 N), the current WACC % is 6.91% as of Jun. 25, 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 Smurfit WestRock (MEX:SW1 N) Overvalued in 2026?
Based on GuruFocus' analysis, Smurfit WestRock stock appears to be undervalued.
The current stock price of MXN680.00 is trading 0.3% below its estimated GF Value™ of MXN682.34.
GuruFocus considers Smurfit WestRock to be Fairly Valued.
Key valuation signals for MEX:SW1 N:
WACC %: 6.91% (16% above median its 10-year median of 5.98)
GF Value™: MXN682.34 vs. price of MXN680.00 (0.3% below fair value)
Industry Position: 7.4% below the Packaging & Containers median (#179 of 414)
No single metric tells the full story. See the MEX:SW1 N stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Smurfit WestRock PLC manufactures corrugated packaging and consumer packaging, such as folding cartons and paperboard. operates a vertically integrated system supplying wood and recovered fiber to produce various grades of board, which are then converted into packaging products. Its main packaging categories include corrugated containers and consumer packaging, with additional products such as solidboard, kraft paper, graphic board, paper sacks, and bag-in-box packaging. The company's geographical segments include North America (including the U.S., Canada and Mexico), Europe, the Middle East and Africa and Asia-Pacific, and Latin America. The majority of the company's revenue is derived from product sales in the North American region.
47GF Score
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