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AlpekMEX:ALPEKA +1.17%62 Shiller PE Ratio is 7.45 as of Sep. 12, 2026, which is 8% above its 10-year median of 6.92. GuruFocus rates MEX:ALPEKA with a GF Score™ of 62/100 and a GF Value™ of MXN11.01 (Modestly Overvalued). The stock has 9 warning signs investors should review. Among 1,085 Chemicals companies, Alpek ranks better than 91.52% on this metric.
As of today (2026-09-12), Alpek's current share price is MXN13.86. Alpek's E10 for the quarter that ended in Jun. 2026 was MXN1.86. Alpek's Shiller PE Ratio for today is 7.45.
The historical rank and industry rank for Alpek's Shiller PE Ratio or its related term are showing as below:
MEX:ALPEKA'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 3.8 Med: 6.92 Max: 13.83
Current: 6.96
During the past years, Alpek's highest Shiller PE Ratio was 13.83. The lowest was 3.80. And the median was 6.92.
MEX:ALPEKA's Shiller PE Ratio is ranked better than 91.52% of 1085
companies
in the Chemicals industry
Industry Median: 21.87
vs MEX:ALPEKA: 6.96
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.
Alpek's adjusted earnings per share data for the three months ended in Jun. 2026 was MXN1.990. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is MXN1.86 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
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.
Alpek Shiller PE Ratio Related Terms
Alpek Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Alpek'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:ALPEKA vs LIN, SHW, ECL: Shiller PE Ratio Comparison
For the Specialty Chemicals subindustry, Alpek'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.
Alpek Shiller PE Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Alpek's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Alpek'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.
Alpek's Shiller PE Ratio for today is calculated as
* 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.
Alpek's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, Alpek'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.
Alpek (MEX:ALPEKA) has a Shiller PE Ratio of 7.45 as of Sep. 12, 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 Alpek and its competitors. This is near median its historical median of 6.92. Over the past decade, Alpek's Shiller PE Ratio has ranged from 3.80 to 13.83. According to the industry distribution chart, Alpek ranks #92 out of 1085 companies in the Chemicals industry, placing it in the top 8.5%.
Is Alpek's Shiller PE Ratio too high?
Alpek's current Shiller PE Ratio of 7.45 is near median its 10-year median of 6.92. Over the past 10 years, this metric has ranged from a low of 3.80 to a high of 13.83. The Chemicals industry median Shiller PE Ratio is 21.87. Alpek's value of 7.45 is 65.9% below this industry median. Based on the distribution chart, Alpek ranks #92 out of 1085 companies in the Chemicals industry, which is in the top quartile — a strong position relative to peers. Overall, Alpek has a GF Score™ of 62/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Alpek's Shiller PE Ratio compare to LIN and SHW?
According to the Chemicals industry distribution chart, Alpek ranks #92 out of 1085 companies for Shiller PE Ratio. This places Alpek in the top 9% of its industry — outperforming the majority of peers. The industry median Shiller PE Ratio is 21.87. Alpek's value of 7.45 is 65.9% below this benchmark. Historically, Alpek's own Shiller PE Ratio has ranged from 3.80 to 13.83 over the past decade. While the company's 10-year median is 6.92 vs. the industry median of 21.87, Alpek 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 Shiller PE Ratio for a Chemicals company?
The median Shiller PE Ratio among Chemicals companies is 21.87, based on 1,085 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. Alpek's current Shiller PE Ratio of 7.45 is 65.9% 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 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 Alpek and its competitors. For the Chemicals industry, the median Shiller PE Ratio is 21.87 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Alpek's current Shiller PE Ratio is 7.45, which is near median its own 10-year median of 6.92. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Alpek stock overvalued right now?
Based on GuruFocus' analysis, Alpek (MEX:ALPEKA) is currently considered Modestly Overvalued. The stock's GF Value™ is MXN11.01, compared to a current price of MXN13.86 — trading 25.9% above its estimated fair value. The current Shiller PE Ratio is 7.45, which is near median its 10-year median of 6.92 and 65.9% below the Chemicals industry median of 21.87. Alpek's overall GF Score™ is 62/100 with 9 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 Alpek (MEX:ALPEKA), the current Shiller PE Ratio is 7.45 as of Sep. 12, 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 Alpek (MEX:ALPEKA) Overvalued in 2026?
Based on GuruFocus' analysis, Alpek stock appears to be overvalued.
The current stock price of MXN13.86 is trading 25.9% above its estimated GF Value™ of MXN11.01.
GuruFocus considers Alpek to be Modestly Overvalued.
Key valuation signals for MEX:ALPEKA:
Shiller PE Ratio: 7.45 (near median its 10-year median of 6.92)
GF Value™: MXN11.01 vs. price of MXN13.86 (25.9% above fair value)
Industry Position: 65.9% below the Chemicals median (#92 of 1085)
No single metric tells the full story. See the MEX:ALPEKA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Alpek SA is a petrochemical company with operations through two business segments: Polyester and Plastic and Chemicals. The Polyester segment comprises the production of purified terephthalic acid (PTA), polyethylene terephthalate (PET), recycled PET (rPET), and polyester fibers, which are mainly used for food and beverage packaging, textile and industrial filament markets, and The Plastics & Chemicals business segment comprises the production of polypropylene (PP), expandable styrene (EPS and Arcel), fertilizers and other chemicals, which serves a wide range of markets, including the consumer goods, automotive, construction, agriculture, pharmaceutical, and other markets. The company derives a majority of its revenue from the polyester segment.
62GF Score
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