Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
STC:PVD'
s OCF Margin % Range Over the Past 10 Years
Min: -9.42 Med: 3.07 Max: 27.84
Current: 9.51
During the past 13 years, the highest OCF Margin % of Petrovietnam Drilling & Well Service was 27.84%. The lowest was -9.42%. And the median was 3.07%.
STC:PVD's OCF Margin % is ranked worse than 58.56% of 917
companies
in the Oil & Gas industry
Industry Median: 14.12
vs STC:PVD: 9.51
* 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.
Petrovietnam Drilling & Well Service OCF Margin % Chart
For the Oil & Gas Drilling subindustry, Petrovietnam Drilling & Well Service's OCF Margin %, along with its competitors' market caps and OCF 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 Drilling & Well Service OCF Margin % vs Oil & Gas Industry
* 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.
Petrovietnam Drilling & Well Service (STC:PVD) has a OCF Margin % of 4.58% as of Jun. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Petrovietnam Drilling & Well Service and its competitors. This is 49% above median its historical median of 3.07. According to the industry distribution chart, Petrovietnam Drilling & Well Service ranks #537 out of 917 companies in the Oil & Gas industry, placing it in the top 58.6%.
Is Petrovietnam Drilling & Well Service's OCF Margin % too high?
Petrovietnam Drilling & Well Service's current OCF Margin % of 4.58% is 49% above median its 10-year median of 3.07. The Oil & Gas industry median OCF Margin % is 14.12. Petrovietnam Drilling & Well Service's value of 4.58% is 67.6% below this industry median. Based on the distribution chart, Petrovietnam Drilling & Well Service ranks #537 out of 917 companies in the Oil & Gas industry, which is below the industry midpoint. Overall, Petrovietnam Drilling & Well Service has a GF Score™ of 94/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Petrovietnam Drilling & Well Service's OCF Margin % compare to NE and RIG?
According to the Oil & Gas industry distribution chart, Petrovietnam Drilling & Well Service ranks #537 out of 917 companies for OCF Margin %. This places Petrovietnam Drilling & Well Service in the lower half of its industry. The industry median OCF Margin % is 14.12. Petrovietnam Drilling & Well Service's value of 4.58% is 67.6% below this benchmark. While the company's 10-year median is 3.07 vs. the industry median of 14.12, Petrovietnam Drilling & Well Service 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 OCF Margin % for an Oil & Gas company?
The median OCF Margin % among Oil & Gas companies is 14.12, based on 917 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Petrovietnam Drilling & Well Service's current OCF Margin % of 4.58% is 67.6% 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Petrovietnam Drilling & Well Service and its competitors. For the Oil & Gas industry, the median OCF Margin % is 14.12 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Petrovietnam Drilling & Well Service's current OCF Margin % is 4.58%, which is 49% above median its own 10-year median of 3.07. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Petrovietnam Drilling & Well Service stock overvalued right now?
Based on GuruFocus' analysis, Petrovietnam Drilling & Well Service (STC:PVD) is currently considered Modestly Undervalued. The stock's GF Value™ is ₫24,665.97, compared to a current price of ₫18,050.00 — trading 26.8% below its estimated fair value. The current OCF Margin % is 4.58%, which is 49% above median its 10-year median of 3.07 and 67.6% below the Oil & Gas industry median of 14.12. Petrovietnam Drilling & Well Service's overall GF Score™ is 94/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Petrovietnam Drilling & Well Service (STC:PVD), the current OCF Margin % is 4.58% as of Jun. 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 Drilling & Well Service (STC:PVD) Overvalued in 2026?
Based on GuruFocus' analysis, Petrovietnam Drilling & Well Service stock appears to be undervalued.
The current stock price of ₫18,050.00 is trading 26.8% below its estimated GF Value™ of ₫24,665.97.
GuruFocus considers Petrovietnam Drilling & Well Service to be Modestly Undervalued.
Key valuation signals for STC:PVD:
OCF Margin %: 4.58% (49% above median its 10-year median of 3.07)
GF Value™: ₫24,665.97 vs. price of ₫18,050.00 (26.8% below fair value)
Industry Position: 67.6% below the Oil & Gas median (#537 of 917)
No single metric tells the full story. See the STC:PVD stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Petrovietnam Drilling & Well Service Corp is a provider of drilling rigs and technical services for the exploration and exploitation of oil and gas industry locally and internationally. The company operates through three segments namely Drilling services, Trading, and Other services. Its Drilling services segment offers drilling rigs and drilling services. The Trading segment produces material and equipment for drilling-related activities. Its Other services segment is involved in administering well services, wireline logging, oil spill control service, drilling manpower supply service, investment-management project consulting service, management consulting service and other related services. Geographically it operates in Vietnam, Malaysia, Myanmar, Algeria.
94GF Score
Get the complete analysis for STC:PVD
OCF 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
STC:PVD has been successfully added to your 
