Star Petroleum Refining PCLBKK:SPRC-F 79 Net Margin % is 14.94% as of Mar. 2026, which is 1283% above its 10-year median of 1.08. GuruFocus rates BKK:SPRC-F with a GF Score™ of 79/100. The stock has 4 warning signs investors should review. Among 921 Oil & Gas companies, Star Petroleum Refining PCL ranks better than 52.44% on this metric.
The historical rank and industry rank for Star Petroleum Refining PCL's Net Margin % or its related term are showing as below:
BKK:SPRC-F'
s Net Margin % Range Over the Past 10 Years
Min: -4.63 Med: 1.08 Max: 5.61
Current: 4.07
BKK:SPRC-F's Net Margin % is ranked better than 52.44% of 921
companies
in the Oil & Gas industry
Industry Median: 3.45
vs BKK:SPRC-F: 4.07
Star Petroleum Refining PCL (BKK:SPRC-F) Net Margin % Explanation
Although Net Income and Earnings-per-Share (EPS) are the most widely used parameter in measuring a company's profitability and valuation, it is the least reliable. The reason is that reported earnings can be manipulated easily by adjusting any numbers such as Depreciation, Depletion and Amotorization and non-recurring items.
But the long term trend of the net margin is a good indicator of the competitiveness and health of the business.
Star Petroleum Refining PCL Net Margin % Related Terms
Star Petroleum Refining PCL Net Margin % 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.
BKK:SPRC-F vs VLO, MPC, PSX: Net Margin % Comparison
For the Oil & Gas Refining & Marketing subindustry, Star Petroleum Refining PCL's Net Margin %, along with its competitors' market caps and Net 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.
Star Petroleum Refining PCL Net Margin % vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, Star Petroleum Refining PCL's Net Margin % distribution charts can be found below:
* The bar in red indicates where Star Petroleum Refining PCL's Net 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.
Star Petroleum Refining PCL (BKK:SPRC-F) has a Net Margin % of 14.94% as of Mar. 2026. Net margin is the ratio of total net income to net sales. View historical data on Star Petroleum Refining PCL and its competitors. This is 1283% above median its historical median of 1.08. According to the industry distribution chart, Star Petroleum Refining PCL ranks #438 out of 921 companies in the Oil & Gas industry, placing it in the top 47.6%.
Is Star Petroleum Refining PCL's Net Margin % too high?
Star Petroleum Refining PCL's current Net Margin % of 14.94% is 1283% above median its 10-year median of 1.08. The Oil & Gas industry median Net Margin % is 3.45. Star Petroleum Refining PCL's value of 14.94% is 333% above this industry median. Based on the distribution chart, Star Petroleum Refining PCL ranks #438 out of 921 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, Star Petroleum Refining PCL has a GF Score™ of 79/100, reflecting its overall financial health beyond just this single metric.
How does Star Petroleum Refining PCL's Net Margin % compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, Star Petroleum Refining PCL ranks #438 out of 921 companies for Net Margin %. This puts Star Petroleum Refining PCL in the upper half of its industry. The industry median Net Margin % is 3.45. Star Petroleum Refining PCL's value of 14.94% is 333% above this benchmark. While the company's 10-year median is 1.08 vs. the industry median of 3.45, Star Petroleum Refining 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 Net Margin % for an Oil & Gas company?
The median Net Margin % among Oil & Gas companies is 3.45, based on 921 companies in the industry. Companies in the top quartile (top 25%) have a Net Margin % significantly above this median, while those in the bottom quartile fall well below. However, Net Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Star Petroleum Refining PCL's current Net Margin % of 14.94% is 333% 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 Net Margin % mean?
A high Net Margin % can signal that a stock is expensive relative to its fundamentals. Net margin is the ratio of total net income to net sales. View historical data on Star Petroleum Refining PCL and its competitors. For the Oil & Gas industry, the median Net Margin % is 3.45 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Star Petroleum Refining PCL's current Net Margin % is 14.94%, which is 1283% above median its own 10-year median of 1.08. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Star Petroleum Refining PCL stock overvalued right now?
Star Petroleum Refining PCL (BKK:SPRC-F) has a current Net Margin % of 14.94%. The current Net Margin % is 14.94%, which is 1283% above median its 10-year median of 1.08 and 333% above the Oil & Gas industry median of 3.45. Star Petroleum Refining PCL's overall GF Score™ is 79/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net Margin % calculated?
Net Margin % is calculated from a company's financial statements. For Star Petroleum Refining PCL (BKK:SPRC-F), the current Net Margin % is 14.94% 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.
Star Petroleum Refining PCL operates petroleum refinery in Thailand. The company produces multiple petroleum products such as Liquefied Petroleum Gas, gasoline, jet fuel, diesel, fuel oil, asphalt, and others. Geographically the majority of its sales are conducted in Thailand. However, the company also produces petroleum products for international markets.
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