Dimet (Siam) PCLBKK:DIMET-R Operating Margin % is -5.45% as of Mar. 2026. The stock has 4 warning signs investors should review. Among 1,584 Chemicals companies, Dimet (Siam) PCL ranks worse than 88.32% on this metric.
Just like Gross Margin %, it is important to see a company maintains its operating margin over time. Among the same industry, a company with higher operating margin is more efficient in its operation. It is also more stable during industry slowdown or recessions. Peter Lynch prefers those with higher margins than those with lower margins.
Be Aware
Operating Margin % can be manipulated by adjusting the rate of depreciation, depletion and amortization (DDA).
If a company is facing competition, its Operating Margin % may decline. Often the Operating Margin % declines well before the company's Revenue or even profit decline. Therefore, Operating Margin % is a very important indicator of whether the company is facing problems.
For instance, by 2012, Nokia (NOK)'s problems were well known and its stock had lost more than 90% of its market value since 2007. But Nokias Operating Margin % had already been in decline since 2002, although its Earnings per Share (Diluted) were still rising. Investors who paid attention to Operating Margin % would have avoided this huge loss. The same can be said for Research-in-Motion (RIMM).
Therefore, Operating Margin % is a very important screening filter for GuruFocus. GuruFocus's Buffett-Munger screener requires that the profit margin is either consistent or expanding. The Model Portfolio of the Buffett-Munger screener has outperformed the market every year since inception in 2009.
Dimet (Siam) PCL Operating Margin % Related Terms
Dimet (Siam) PCL Operating Margin % Historical Data
* Premium members only.
The historical data trend for Dimet (Siam) PCL's Operating 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.
BKK:DIMET-R vs LIN, SHW, ECL: Operating Margin % Comparison
For the Specialty Chemicals subindustry, Dimet (Siam) PCL's Operating Margin %, along with its competitors' market caps and Operating 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.
Dimet (Siam) PCL Operating Margin % vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Dimet (Siam) PCL's Operating Margin % distribution charts can be found below:
* The bar in red indicates where Dimet (Siam) PCL's Operating Margin % falls into.
Operating Margin % - also known as operating income margin, operating profit margin and return on sales (ROS) - is the ratio of Operating Income divided by net sales or Revenue, usually presented in percent.
Dimet (Siam) PCL's Operating Margin % for the fiscal year that ended in Dec. 2025 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.
Dimet (Siam) PCL (BKK:DIMET-R) has a Operating Margin % of -5.45% as of Mar. 2026. Operating margin is the ratio of total operating income to net sales. View historical data on Dimet (Siam) PCL and its competitors. According to the industry distribution chart, Dimet (Siam) PCL ranks #1399 out of 1584 companies in the Chemicals industry, placing it in the top 88.3%.
Is Dimet (Siam) PCL's Operating Margin % too high?
Dimet (Siam) PCL's current Operating Margin % is -5.45%. Based on the distribution chart, Dimet (Siam) PCL ranks #1399 out of 1584 companies in the Chemicals industry, which is in the bottom quartile relative to peers.
How does Dimet (Siam) PCL's Operating Margin % compare to LIN and SHW?
According to the Chemicals industry distribution chart, Dimet (Siam) PCL ranks #1399 out of 1584 companies for Operating Margin %. This places Dimet (Siam) PCL in the lower half of its industry. The industry median Operating Margin % is 6.03. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Operating Margin % for a Chemicals company?
The median Operating Margin % among Chemicals companies is 6.03, based on 1,584 companies in the industry. Companies in the top quartile (top 25%) have a Operating Margin % significantly above this median, while those in the bottom quartile fall well below. However, Operating Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Operating Margin % mean?
A high Operating Margin % can signal that a stock is expensive relative to its fundamentals. Operating margin is the ratio of total operating income to net sales. View historical data on Dimet (Siam) PCL and its competitors. For the Chemicals industry, the median Operating Margin % is 6.03 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Dimet (Siam) PCL's current Operating Margin % is -5.45%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Dimet (Siam) PCL stock overvalued right now?
Dimet (Siam) PCL (BKK:DIMET-R) has a current Operating Margin % of -5.45%. The stock's GF Value™ is ฿0.22, compared to a current price of ฿0.05 — trading 77.3% below its estimated fair value. The current Operating Margin % is -5.45%. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Operating Margin % calculated?
Operating Margin % is calculated from a company's financial statements. For Dimet (Siam) PCL (BKK:DIMET-R), the current Operating Margin % is -5.45% 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.
Dimet (Siam) PCL is engaged involve the manufacture and distribution of paints, sale of construction materials, provision of construction service and wholesale general products. In addition, the company also produces paints for buildings, wood coatings, furniture finishes, and industrial paints, such as gas cylinder spray paints. The Group has four operating segments which are consists of manufacture and distribution of paints segment, provision of construction service segment, sale of construction materials segment and wholesale general products. The company generates the majority of its revenue from the manufacture and distribution of paints segment.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
BKK:DIMET-R has been successfully added to your 