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Union Petrochemical PCLBKK:UKEM -10.17%48 PB Ratio is 1.29 as of Aug. 14, 2026, which is 10% above its 10-year median of 1.17. GuruFocus rates BKK:UKEM with a GF Score™ of 48/100 and a GF Value™ of ฿0.71 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 1,578 Chemicals companies, Union Petrochemical PCL ranks better than 58.43% on this metric.
The historical rank and industry rank for Union Petrochemical PCL's PB Ratio or its related term are showing as below:
BKK:UKEM'
s PB Ratio Range Over the Past 10 Years
Min: 0.42 Med: 1.17 Max: 4.59
Current: 1.28
During the past 13 years, Union Petrochemical PCL's highest PB Ratio was 4.59. The lowest was 0.42. And the median was 1.17.
BKK:UKEM's PB Ratio is ranked better than 58.43% of 1578
companies
in the Chemicals industry
Industry Median: 1.74
vs BKK:UKEM: 1.28
During the past 12 months, Union Petrochemical PCL's average Book Value Per Share Growth Rate was 16.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 0.70% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -4.10% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 0.10% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Union Petrochemical PCL was 18.90% per year. The lowest was -8.00% per year. And the median was 3.50% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
* 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 PB Ratio, along with its competitors' market caps and PB 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 PB Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Union Petrochemical PCL's PB Ratio distribution charts can be found below:
* The bar in red indicates where Union Petrochemical PCL's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Union Petrochemical PCL (BKK:UKEM) has a PB Ratio of 1.29 as of Aug. 14, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Union Petrochemical PCL and its competitors. This is 10% above median its historical median of 1.17. Over the past decade, Union Petrochemical PCL's PB Ratio has ranged from 0.42 to 4.59. According to the industry distribution chart, Union Petrochemical PCL ranks #656 out of 1578 companies in the Chemicals industry, placing it in the top 41.6%.
Is Union Petrochemical PCL's PB Ratio too high?
Union Petrochemical PCL's current PB Ratio of 1.29 is 10% above median its 10-year median of 1.17. Over the past 10 years, this metric has ranged from a low of 0.42 to a high of 4.59. The Chemicals industry median PB Ratio is 1.74. Union Petrochemical PCL's value of 1.29 is 25.9% below this industry median. Based on the distribution chart, Union Petrochemical PCL ranks #656 out of 1578 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 PB Ratio compare to DOW?
According to the Chemicals industry distribution chart, Union Petrochemical PCL ranks #656 out of 1578 companies for PB Ratio. This puts Union Petrochemical PCL in the upper half of its industry. The industry median PB Ratio is 1.74. Union Petrochemical PCL's value of 1.29 is 25.9% below this benchmark. Historically, Union Petrochemical PCL's own PB Ratio has ranged from 0.42 to 4.59 over the past decade. While the company's 10-year median is 1.17 vs. the industry median of 1.74, Union Petrochemical 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 PB Ratio for a Chemicals company?
The median PB Ratio among Chemicals companies is 1.74, based on 1,578 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Union Petrochemical PCL's current PB Ratio of 1.29 is 25.9% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Union Petrochemical PCL and its competitors. For the Chemicals industry, the median PB Ratio is 1.74 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Union Petrochemical PCL's current PB Ratio is 1.29, which is 10% above median its own 10-year median of 1.17. 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) is currently considered Significantly Overvalued. The stock's GF Value™ is ฿0.71, compared to a current price of ฿1.06 — trading 49.3% above its estimated fair value. The current PB Ratio is 1.29, which is 10% above median its 10-year median of 1.17 and 25.9% below the Chemicals industry median of 1.74. Union Petrochemical PCL's overall GF Score™ is 48/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Union Petrochemical PCL (BKK:UKEM), the current PB Ratio is 1.29 as of Aug. 14, 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) Overvalued in 2026?
Based on GuruFocus' analysis, Union Petrochemical PCL stock appears to be overvalued.
The current stock price of ฿1.06 is trading 49.3% above its estimated GF Value™ of ฿0.71.
GuruFocus considers Union Petrochemical PCL to be Significantly Overvalued.
Key valuation signals for BKK:UKEM:
PB Ratio: 1.29 (10% above median its 10-year median of 1.17)
GF Value™: ฿0.71 vs. price of ฿1.06 (49.3% above fair value)
Industry Position: 25.9% below the Chemicals median (#656 of 1578)
No single metric tells the full story. See the BKK:UKEM 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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