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Thai Poly Acrylic PCLBKK:TPA-R +0.75%61 Shiller PE Ratio is 18.00 as of Aug. 30, 2026, which is 23% above its 10-year median of 14.67. GuruFocus rates BKK:TPA-R with a GF Score™ of 61/100 and a GF Value™ of ฿2.33. The stock has 5 warning signs investors should review. Among 1,085 Chemicals companies, Thai Poly Acrylic PCL ranks better than 58.62% on this metric.
The historical rank and industry rank for Thai Poly Acrylic PCL's Shiller PE Ratio or its related term are showing as below:
BKK:TPA-R'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 8.13 Med: 14.67 Max: 19.6
Current: 19.6
During the past years, Thai Poly Acrylic PCL's highest Shiller PE Ratio was 19.60. The lowest was 8.13. And the median was 14.67.
BKK:TPA-R's Shiller PE Ratio is ranked better than 58.62% of 1085
companies
in the Chemicals industry
Industry Median: 22.25
vs BKK:TPA-R: 19.60
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.
Thai Poly Acrylic PCL's adjusted earnings per share data for the three months ended in Jun. 2026 was ฿0.017. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is ฿0.15 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Thai Poly Acrylic PCL (BKK:TPA-R) 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.
Thai Poly Acrylic PCL Shiller PE Ratio Related Terms
Thai Poly Acrylic PCL Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Thai Poly Acrylic PCL'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.
BKK:TPA-R vs LIN, SHW, ECL: Shiller PE Ratio Comparison
For the Specialty Chemicals subindustry, Thai Poly Acrylic PCL'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.
Thai Poly Acrylic PCL Shiller PE Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Thai Poly Acrylic PCL's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Thai Poly Acrylic PCL's Shiller PE Ratio falls into.
Thai Poly Acrylic PCL Shiller PE Ratio Calculation
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.
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.
Thai Poly Acrylic PCL (BKK:TPA-R) has a Shiller PE Ratio of 18.00 as of Aug. 30, 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 Thai Poly Acrylic PCL and its competitors. This is 23% above median its historical median of 14.67. Over the past decade, Thai Poly Acrylic PCL's Shiller PE Ratio has ranged from 8.13 to 19.60. According to the industry distribution chart, Thai Poly Acrylic PCL ranks #449 out of 1085 companies in the Chemicals industry, placing it in the top 41.4%.
Is Thai Poly Acrylic PCL's Shiller PE Ratio too high?
Thai Poly Acrylic PCL's current Shiller PE Ratio of 18.00 is 23% above median its 10-year median of 14.67. Over the past 10 years, this metric has ranged from a low of 8.13 to a high of 19.60. The Chemicals industry median Shiller PE Ratio is 22.25. Thai Poly Acrylic PCL's value of 18.00 is 19.1% below this industry median. Based on the distribution chart, Thai Poly Acrylic PCL ranks #449 out of 1085 companies in the Chemicals industry, which is above the industry midpoint. Overall, Thai Poly Acrylic PCL has a GF Score™ of 61/100, reflecting its overall financial health beyond just this single metric.
How does Thai Poly Acrylic PCL's Shiller PE Ratio compare to LIN and SHW?
According to the Chemicals industry distribution chart, Thai Poly Acrylic PCL ranks #449 out of 1085 companies for Shiller PE Ratio. This puts Thai Poly Acrylic PCL in the upper half of its industry. The industry median Shiller PE Ratio is 22.25. Thai Poly Acrylic PCL's value of 18.00 is 19.1% below this benchmark. Historically, Thai Poly Acrylic PCL's own Shiller PE Ratio has ranged from 8.13 to 19.60 over the past decade. While the company's 10-year median is 14.67 vs. the industry median of 22.25, Thai Poly Acrylic PCL 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 22.25, 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. Thai Poly Acrylic PCL's current Shiller PE Ratio of 18.00 is 19.1% 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 Thai Poly Acrylic PCL and its competitors. For the Chemicals industry, the median Shiller PE Ratio is 22.25 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Thai Poly Acrylic PCL's current Shiller PE Ratio is 18.00, which is 23% above median its own 10-year median of 14.67. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Thai Poly Acrylic PCL stock overvalued right now?
Thai Poly Acrylic PCL (BKK:TPA-R) has a current Shiller PE Ratio of 18.00. The stock's GF Value™ is ฿2.33, compared to a current price of ฿2.70 — trading 15.9% above its estimated fair value. The current Shiller PE Ratio is 18.00, which is 23% above median its 10-year median of 14.67 and 19.1% below the Chemicals industry median of 22.25. Thai Poly Acrylic PCL's overall GF Score™ is 61/100 with 5 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 Thai Poly Acrylic PCL (BKK:TPA-R), the current Shiller PE Ratio is 18.00 as of Aug. 30, 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 Thai Poly Acrylic PCL (BKK:TPA-R) Overvalued in 2026?
Based on GuruFocus' analysis, Thai Poly Acrylic PCL stock appears to be overvalued.
The current stock price of ฿2.70 is trading 15.9% above its estimated GF Value™ of ฿2.33.
Key valuation signals for BKK:TPA-R:
Shiller PE Ratio: 18.00 (23% above median its 10-year median of 14.67)
GF Value™: ฿2.33 vs. price of ฿2.70 (15.9% above fair value)
Industry Position: 19.1% below the Chemicals median (#449 of 1085)
No single metric tells the full story. See the BKK:TPA-R stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Thai Poly Acrylic PCL is principally engaged in the manufacture and distribution of acrylic sheets, acrylonitrile butadiene styrene sheets, high impact polystyrene sheets and other extruded plastic sheets. The company generates revenues from Thailand and Overseas markets.
61GF Score
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