PetroVietnam OilHSTC:OIL -0.76%95 Gross Margin % is 4.84% as of Mar. 2026, which is 24% above its 10-year median of 3.90. GuruFocus rates HSTC:OIL with a GF Score™ of 95/100 and a GF Value™ of ₫16,244.30 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 867 Oil & Gas companies, PetroVietnam Oil ranks worse than 89.97% on this metric.
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
PetroVietnam Oil had a gross margin of 4.84% 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.
PetroVietnam Oil Gross Margin % Related Terms
PetroVietnam Oil Gross Margin % Historical Data
* Premium members only.
The historical data trend for PetroVietnam Oil'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.
HSTC:OIL vs VLO, MPC, PSX: Gross Margin % Comparison
For the Oil & Gas Refining & Marketing subindustry, PetroVietnam Oil'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.
PetroVietnam Oil Gross Margin % vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, PetroVietnam Oil's Gross Margin % distribution charts can be found below:
* The bar in red indicates where PetroVietnam Oil'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.
PetroVietnam Oil (HSTC:OIL) has a Gross Margin % of 4.84% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on PetroVietnam Oil and its competitors. This is 24% above median its historical median of 3.90. Over the past decade, PetroVietnam Oil's Gross Margin % has ranged from 2.92 to 5.50. According to the industry distribution chart, PetroVietnam Oil ranks #780 out of 867 companies in the Oil & Gas industry, placing it in the top 90%.
Is PetroVietnam Oil's Gross Margin % too high?
PetroVietnam Oil's current Gross Margin % of 4.84% is 24% above median its 10-year median of 3.90. Over the past 10 years, this metric has ranged from a low of 2.92 to a high of 5.50. The Oil & Gas industry median Gross Margin % is 25.70. PetroVietnam Oil's value of 4.84% is 81.2% below this industry median. Based on the distribution chart, PetroVietnam Oil ranks #780 out of 867 companies in the Oil & Gas industry, which is in the bottom quartile relative to peers. Overall, PetroVietnam Oil has a GF Score™ of 95/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does PetroVietnam Oil's Gross Margin % compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, PetroVietnam Oil ranks #780 out of 867 companies for Gross Margin %. This places PetroVietnam Oil in the lower half of its industry. The industry median Gross Margin % is 25.70. PetroVietnam Oil's value of 4.84% is 81.2% below this benchmark. Historically, PetroVietnam Oil's own Gross Margin % has ranged from 2.92 to 5.50 over the past decade. While the company's 10-year median is 3.90 vs. the industry median of 25.70, PetroVietnam Oil 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 an Oil & Gas company?
The median Gross Margin % among Oil & Gas companies is 25.70, based on 867 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. PetroVietnam Oil's current Gross Margin % of 4.84% is 81.2% 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 PetroVietnam Oil and its competitors. For the Oil & Gas industry, the median Gross Margin % is 25.70 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. PetroVietnam Oil's current Gross Margin % is 4.84%, which is 24% above median its own 10-year median of 3.90. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is PetroVietnam Oil stock overvalued right now?
Based on GuruFocus' analysis, PetroVietnam Oil (HSTC:OIL) is currently considered Modestly Undervalued. The stock's GF Value™ is ₫16,244.30, compared to a current price of ₫13,100.00 — trading 19.4% below its estimated fair value. The current Gross Margin % is 4.84%, which is 24% above median its 10-year median of 3.90 and 81.2% below the Oil & Gas industry median of 25.70. PetroVietnam Oil's overall GF Score™ is 95/100 with 5 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 PetroVietnam Oil (HSTC:OIL), the current Gross Margin % is 4.84% 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 PetroVietnam Oil (HSTC:OIL) Overvalued in 2026?
Based on GuruFocus' analysis, PetroVietnam Oil stock appears to be undervalued.
The current stock price of ₫13,100.00 is trading 19.4% below its estimated GF Value™ of ₫16,244.30.
GuruFocus considers PetroVietnam Oil to be Modestly Undervalued.
Key valuation signals for HSTC:OIL:
Gross Margin %: 4.84% (24% above median its 10-year median of 3.90)
GF Value™: ₫16,244.30 vs. price of ₫13,100.00 (19.4% below fair value)
Industry Position: 81.2% below the Oil & Gas median (#780 of 867)
No single metric tells the full story. See the HSTC:OIL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
PetroVietnam Oil Corp is engaged in the downstream sector of the oil and gas industry, especially in importing & exporting, trading crude oil & blending, storing, and distributing oil products.
95GF Score
Get the complete analysis for HSTC:OIL
Gross Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
HSTC:OIL has been successfully added to your 
