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Union Petrochemical PCLBKK:UKEM-R -3.03%48 Shiller PE Ratio is 22.27 as of Aug. 26, 2026, which is 92% above its 10-year median of 11.57. GuruFocus rates BKK:UKEM-R with a GF Score™ of 48/100 and a GF Value™ of ฿0.83 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,086 Chemicals companies, Union Petrochemical PCL ranks better than 58.47% on this metric.
The historical rank and industry rank for Union Petrochemical PCL's Shiller PE Ratio or its related term are showing as below:
BKK:UKEM-R'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 4.25 Med: 11.57 Max: 49.25
Current: 17.79
During the past years, Union Petrochemical PCL's highest Shiller PE Ratio was 49.25. The lowest was 4.25. And the median was 11.57.
BKK:UKEM-R's Shiller PE Ratio is ranked better than 58.47% of 1086
companies
in the Chemicals industry
Industry Median: 21.97
vs BKK:UKEM-R: 17.79
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.
Union Petrochemical PCL's adjusted earnings per share data for the three months ended in Jun. 2026 was ฿0.220. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is ฿0.07 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Union Petrochemical PCL (BKK:UKEM-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.
Union Petrochemical PCL Shiller PE Ratio Related Terms
Union Petrochemical PCL Shiller PE Ratio 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 Chemicals subindustry, Union Petrochemical 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.
Union Petrochemical PCL Shiller PE Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Union Petrochemical PCL's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Union Petrochemical PCL's Shiller PE Ratio falls into.
Union Petrochemical 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.
Union Petrochemical PCL (BKK:UKEM-R) has a Shiller PE Ratio of 22.27 as of Aug. 26, 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 Union Petrochemical PCL and its competitors. This is 92% above median its historical median of 11.57. Over the past decade, Union Petrochemical PCL's Shiller PE Ratio has ranged from 4.25 to 49.25. According to the industry distribution chart, Union Petrochemical PCL ranks #451 out of 1086 companies in the Chemicals industry, placing it in the top 41.5%.
Is Union Petrochemical PCL's Shiller PE Ratio too high?
Union Petrochemical PCL's current Shiller PE Ratio of 22.27 is 92% above median its 10-year median of 11.57. Over the past 10 years, this metric has ranged from a low of 4.25 to a high of 49.25. The Chemicals industry median Shiller PE Ratio is 21.97. Union Petrochemical PCL's value of 22.27 is 1.4% above this industry median. Based on the distribution chart, Union Petrochemical PCL ranks #451 out of 1086 companies in the Chemicals industry, which is above the industry midpoint. Overall, Union Petrochemical PCL has a GF Score™ of 48/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Union Petrochemical PCL's Shiller PE Ratio compare to DOW?
According to the Chemicals industry distribution chart, Union Petrochemical PCL ranks #451 out of 1086 companies for Shiller PE Ratio. This puts Union Petrochemical PCL in the upper half of its industry. The industry median Shiller PE Ratio is 21.97. Union Petrochemical PCL's value of 22.27 is 1.4% above this benchmark. Historically, Union Petrochemical PCL's own Shiller PE Ratio has ranged from 4.25 to 49.25 over the past decade. While the company's 10-year median is 11.57 vs. the industry median of 21.97, Union Petrochemical PCL 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 Chemicals company?
The median Shiller PE Ratio among Chemicals companies is 21.97, based on 1,086 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. Union Petrochemical PCL's current Shiller PE Ratio of 22.27 is 1.4% 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 Union Petrochemical PCL and its competitors. For the Chemicals industry, the median Shiller PE Ratio is 21.97 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Union Petrochemical PCL's current Shiller PE Ratio is 22.27, which is 92% above median its own 10-year median of 11.57. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Union Petrochemical PCL stock overvalued right now?
Based on GuruFocus' analysis, Union Petrochemical PCL (BKK:UKEM-R) is currently considered Significantly Overvalued. The stock's GF Value™ is ฿0.83, compared to a current price of ฿1.56 — trading 87.8% above its estimated fair value. The current Shiller PE Ratio is 22.27, which is 92% above median its 10-year median of 11.57 and 1.4% above the Chemicals industry median of 21.97. Union Petrochemical PCL's overall GF Score™ is 48/100 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 Union Petrochemical PCL (BKK:UKEM-R), the current Shiller PE Ratio is 22.27 as of Aug. 26, 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 Union Petrochemical PCL (BKK:UKEM-R) Overvalued in 2026?
Based on GuruFocus' analysis, Union Petrochemical PCL stock appears to be overvalued.
The current stock price of ฿1.56 is trading 87.8% above its estimated GF Value™ of ฿0.83.
GuruFocus considers Union Petrochemical PCL to be Significantly Overvalued.
Key valuation signals for BKK:UKEM-R:
Shiller PE Ratio: 22.27 (92% above median its 10-year median of 11.57)
GF Value™: ฿0.83 vs. price of ฿1.56 (87.8% above fair value)
Industry Position: 1.4% above the Chemicals median (#451 of 1086)
No single metric tells the full story. See the BKK:UKEM-R stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Union Petrochemical PCL is principally engaged in the import and distribution of chemical products. The company is organized into three reportable segments: Commodity Chemicals segment, Specialty Chemicals segment, and Other segment. Some of its products are Methanol, Isopropyl alcohol, isobutyl alcohol, N-Butanol, Solvents 3040, Toluene, Mixed Xylene, Solvesso 100 Fluid, Solvesso 150 fluid, Solvesso 150 fluid, Butyl Acetate, Ethyl Acetate and Butyl, among others. The company has diversified into the logistics and storage sector. The group operates solely in Thailand and derives key revenue from the Commodity chemicals segment. The Group's business is operated in Thailand.
48GF Score
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