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Smurfit WestRockMEX:SW1 N 81 Shiller PE Ratio is 23.97 as of Aug. 04, 2026, which is 9% above its 10-year median of 22.09. GuruFocus rates MEX:SW1 N with a GF Score™ of 81/100 and a GF Value™ of MXN680.73. The stock has 10 warning signs investors should review. Among 267 Packaging & Containers companies, Smurfit WestRock ranks worse than 66.67% on this metric.
As of today (2026-08-04), Smurfit WestRock's current share price is MXN680.00. Smurfit WestRock's E10 for the quarter that ended in Jun. 2026 was MXN28.37. Smurfit WestRock's Shiller PE Ratio for today is 23.97.
The historical rank and industry rank for Smurfit WestRock's Shiller PE Ratio or its related term are showing as below:
MEX:SW1 N'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 15.86 Med: 22.09 Max: 29.5
Current: 24.29
During the past years, Smurfit WestRock's highest Shiller PE Ratio was 29.50. The lowest was 15.86. And the median was 22.09.
MEX:SW1 N's Shiller PE Ratio is ranked worse than 66.67% of 267
companies
in the Packaging & Containers industry
Industry Median: 16.18
vs MEX:SW1 N: 24.29
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
Smurfit WestRock's adjusted earnings per share data for the three months ended in Jun. 2026 was MXN2.952. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is MXN28.37 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Smurfit WestRock (MEX:SW1 N) Shiller PE Ratio Explanation
Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.
Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.
Be Aware
Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.
Smurfit WestRock Shiller PE Ratio Related Terms
Smurfit WestRock Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Smurfit WestRock's Shiller PE Ratio 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.
MEX:SW1 N vs PKG, IP, AMCR: Shiller PE Ratio Comparison
For the Packaging & Containers subindustry, Smurfit WestRock's Shiller PE Ratio, along with its competitors' market caps and Shiller PE Ratio 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 Shiller PE Ratio vs Packaging & Containers Industry
For the Packaging & Containers industry and Consumer Cyclical sector, Smurfit WestRock's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Smurfit WestRock's Shiller PE Ratio falls into.
For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.
* 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's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, Smurfit WestRock's adjusted earnings per share data for the three months ended in Jun. 2026 was:
Add all the adjusted EPS together and divide 10 will get our E10.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
Smurfit WestRock (MEX:SW1 N) has a Shiller PE Ratio of 23.97 as of Aug. 04, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Smurfit WestRock and its competitors. This is near median its historical median of 22.09. Over the past decade, Smurfit WestRock's Shiller PE Ratio has ranged from 15.86 to 29.50. According to the industry distribution chart, Smurfit WestRock ranks #178 out of 267 companies in the Packaging & Containers industry, placing it in the top 66.7%.
Is Smurfit WestRock's Shiller PE Ratio too high?
Smurfit WestRock's current Shiller PE Ratio of 23.97 is near median its 10-year median of 22.09. Over the past 10 years, this metric has ranged from a low of 15.86 to a high of 29.50. The Packaging & Containers industry median Shiller PE Ratio is 16.18. Smurfit WestRock's value of 23.97 is 48.1% above this industry median. Based on the distribution chart, Smurfit WestRock ranks #178 out of 267 companies in the Packaging & Containers industry, which is below the industry midpoint. Overall, Smurfit WestRock has a GF Score™ of 81/100, reflecting its overall financial health beyond just this single metric.
How does Smurfit WestRock's Shiller PE Ratio compare to PKG and IP?
According to the Packaging & Containers industry distribution chart, Smurfit WestRock ranks #178 out of 267 companies for Shiller PE Ratio. This places Smurfit WestRock in the lower half of its industry. The industry median Shiller PE Ratio is 16.18. Smurfit WestRock's value of 23.97 is 48.1% above this benchmark. Historically, Smurfit WestRock's own Shiller PE Ratio has ranged from 15.86 to 29.50 over the past decade. While the company's 10-year median is 22.09 vs. the industry median of 16.18, Smurfit WestRock 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 Shiller PE Ratio for a Packaging & Containers company?
The median Shiller PE Ratio among Packaging & Containers companies is 16.18, based on 267 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Smurfit WestRock's current Shiller PE Ratio of 23.97 is 48.1% 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 Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Smurfit WestRock and its competitors. For the Packaging & Containers industry, the median Shiller PE Ratio is 16.18 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Smurfit WestRock's current Shiller PE Ratio is 23.97, which is near median its own 10-year median of 22.09. 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?
Smurfit WestRock (MEX:SW1 N) has a current Shiller PE Ratio of 23.97. The stock's GF Value™ is MXN680.73, compared to a current price of MXN680.00 — trading 0.1% below its estimated fair value. The current Shiller PE Ratio is 23.97, which is near median its 10-year median of 22.09 and 48.1% above the Packaging & Containers industry median of 16.18. Smurfit WestRock's overall GF Score™ is 81/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For Smurfit WestRock (MEX:SW1 N), the current Shiller PE Ratio is 23.97 as of Aug. 04, 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 0.1% below its estimated GF Value™ of MXN680.73.
Key valuation signals for MEX:SW1 N:
Shiller PE Ratio: 23.97 (near median its 10-year median of 22.09)
GF Value™: MXN680.73 vs. price of MXN680.00 (0.1% below fair value)
Industry Position: 48.1% above the Packaging & Containers median (#178 of 267)
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.
81GF Score
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