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Union Plastic PCLBKK:UP 66 Gross Margin % is 8.68% as of Mar. 2026, which is 39% above its 10-year median of 6.23. GuruFocus rates BKK:UP with a GF Score™ of 66/100 and a GF Value™ of ฿16.77 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 1,307 Vehicles & Parts companies, Union Plastic PCL ranks worse than 92.43% on this metric.
The historical rank and industry rank for Union Plastic PCL's Gross Margin % or its related term are showing as below:
BKK:UP'
s Gross Margin % Range Over the Past 10 Years
Min: -5.23 Med: 6.23 Max: 8.57
Current: 7.26
During the past 13 years, the highestGross Margin % of Union Plastic PCL was 8.57%. The lowest was -5.23%. And the median was 6.23%.
BKK:UP's Gross Margin % is ranked worse than 92.43% of 1307
companies
in the Vehicles & Parts industry
Industry Median: 19.87
vs BKK:UP: 7.26
Union Plastic PCL had a gross margin of 8.68% for the quarter that ended in Mar. 2026 => No sustainable competitive advantage
The 5-Year average Growth Rate of Gross Margin for Union Plastic PCL was 0.00% per year.
Union Plastic PCL (BKK:UP) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Union Plastic PCL had a gross margin of 8.68% for the quarter that ended in Mar. 2026 => No sustainable competitive advantage
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Union Plastic PCL Gross Margin % Related Terms
Union Plastic PCL Gross Margin % Historical Data
* Premium members only.
The historical data trend for Union Plastic PCL's Gross Margin % 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.
For the Auto Parts subindustry, Union Plastic PCL's Gross Margin %, along with its competitors' market caps and Gross Margin % 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 Plastic PCL Gross Margin % vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Union Plastic PCL's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Union Plastic PCL's Gross Margin % falls into.
* 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Union Plastic PCL (BKK:UP) has a Gross Margin % of 8.68% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on Union Plastic PCL and its competitors. This is 39% above median its historical median of 6.23. According to the industry distribution chart, Union Plastic PCL ranks #1208 out of 1307 companies in the Vehicles & Parts industry, placing it in the top 92.4%.
Is Union Plastic PCL's Gross Margin % too high?
Union Plastic PCL's current Gross Margin % of 8.68% is 39% above median its 10-year median of 6.23. The Vehicles & Parts industry median Gross Margin % is 19.87. Union Plastic PCL's value of 8.68% is 56.3% below this industry median. Based on the distribution chart, Union Plastic PCL ranks #1208 out of 1307 companies in the Vehicles & Parts industry, which is in the bottom quartile relative to peers. Overall, Union Plastic PCL has a GF Score™ of 66/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Union Plastic PCL's Gross Margin % compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Union Plastic PCL ranks #1208 out of 1307 companies for Gross Margin %. This places Union Plastic PCL in the lower half of its industry. The industry median Gross Margin % is 19.87. Union Plastic PCL's value of 8.68% is 56.3% below this benchmark. While the company's 10-year median is 6.23 vs. the industry median of 19.87, Union Plastic 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 Gross Margin % for a Vehicles & Parts company?
The median Gross Margin % among Vehicles & Parts companies is 19.87, based on 1,307 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Union Plastic PCL's current Gross Margin % of 8.68% is 56.3% 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Union Plastic PCL and its competitors. For the Vehicles & Parts industry, the median Gross Margin % is 19.87 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Union Plastic PCL's current Gross Margin % is 8.68%, which is 39% above median its own 10-year median of 6.23. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Union Plastic PCL stock overvalued right now?
Based on GuruFocus' analysis, Union Plastic PCL (BKK:UP) is currently considered Significantly Overvalued. The stock's GF Value™ is ฿16.77, compared to a current price of ฿23.60 — trading 40.7% above its estimated fair value. The current Gross Margin % is 8.68%, which is 39% above median its 10-year median of 6.23 and 56.3% below the Vehicles & Parts industry median of 19.87. Union Plastic PCL's overall GF Score™ is 66/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Union Plastic PCL (BKK:UP), the current Gross Margin % is 8.68% as of Mar. 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 Plastic PCL (BKK:UP) Overvalued in 2026?
Based on GuruFocus' analysis, Union Plastic PCL stock appears to be overvalued.
The current stock price of ฿23.60 is trading 40.7% above its estimated GF Value™ of ฿16.77.
GuruFocus considers Union Plastic PCL to be Significantly Overvalued.
Key valuation signals for BKK:UP:
Gross Margin %: 8.68% (39% above median its 10-year median of 6.23)
GF Value™: ฿16.77 vs. price of ฿23.60 (40.7% above fair value)
Industry Position: 56.3% below the Vehicles & Parts median (#1208 of 1307)
No single metric tells the full story. See the BKK:UP stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Union Plastic PCL is engaged in the manufacturing and distribution of thermoplastics. The company is also involved in the contract manufacture and repair of molds. The reportable segments of company are Manufacture and distribution of thermoplastics and Contract manufacture and repair of molds. The group generates a majority of its revenue from the manufacture and distribution of thermoplastics business.
66GF Score
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