Petrovietnam Drilling & Well Service (STC:PVD) Days Inventory: 50.40 (As of Mar. 2026) — 28% Below Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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 Petrovietnam Drilling & Well Service Corp STC:PVD
94 GF Score
Price ₫18,603.95
GF Value ₫28,837.91
Valuation Possible Value Trap
! 3 Warning Signs
View Full Analysis

What is Petrovietnam Drilling & Well Service Days Inventory?

Petrovietnam Drilling & Well Service STC:PVD -4.46% 94 Days Inventory is 50.40 as of Mar. 2026, which is 28% below its 10-year median of 69.67. GuruFocus rates STC:PVD with a GF Score™ of 94/100 and a GF Value™ of ₫28,837.91 (Possible Value Trap). The stock has 3 warning signs investors should review. Among 685 Oil & Gas companies, Petrovietnam Drilling & Well Service ranks worse than 69.05% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Petrovietnam Drilling & Well Service's Average Total Inventories for the three months ended in Mar. 2026 was ₫1,526,148 Mil. Petrovietnam Drilling & Well Service's Cost of Goods Sold for the three months ended in Mar. 2026 was ₫2,762,993 Mil. Hence, Petrovietnam Drilling & Well Service's Days Inventory for the three months ended in Mar. 2026 was 50.40.

The historical rank and industry rank for Petrovietnam Drilling & Well Service's Days Inventory or its related term are showing as below:

STC:PVD' s Days Inventory Range Over the Past 10 Years
Min: 51.68   Med: 69.67   Max: 86.45
Current: 51.68

During the past 13 years, Petrovietnam Drilling & Well Service's highest Days Inventory was 86.45. The lowest was 51.68. And the median was 69.67.

STC:PVD's Days Inventory is ranked worse than
69.05% of 685 companies
in the Oil & Gas industry
Industry Median: 30.99 vs STC:PVD: 51.68

Petrovietnam Drilling & Well Service's Days Inventory declined from Mar. 2025 (87.50) to Mar. 2026 (50.40).

Inventory Turnover measures how fast the company turns over its inventory within a year. Petrovietnam Drilling & Well Service's Inventory Turnover for the three months ended in Mar. 2026 was 1.81.

Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue. Petrovietnam Drilling & Well Service's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.45.


Petrovietnam Drilling & Well Service  (STC:PVD) Days Inventory Explanation

Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:

1. Inventory Turnover measures how fast the company turns over its inventory within a year.

Petrovietnam Drilling & Well Service's Inventory Turnover for the three months ended in Mar. 2026 is calculated as

2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.

Petrovietnam Drilling & Well Service's Inventory to Revenue for the three months ended in Mar. 2026 is calculated as

Inventory-to-Revenue=Average Total Inventories / Revenue
=1526148.3025 / 3401070.967
=0.45

* 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.


Be Aware

A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.


Petrovietnam Drilling & Well Service Days Inventory Related Terms


Petrovietnam Drilling & Well Service Days Inventory Historical Data

* Premium members only.

The historical data trend for Petrovietnam Drilling & Well Service's Days Inventory 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.

Petrovietnam Drilling & Well Service Days Inventory Chart

Petrovietnam Drilling & Well Service Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 86.45 62.65 77.42 53.68 56.96

Petrovietnam Drilling & Well Service Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Days Inventory Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 87.50 61.67 71.64 39.78 50.40

STC:PVD vs NE, RIG, VAL: Days Inventory Comparison

For the Oil & Gas Drilling subindustry, Petrovietnam Drilling & Well Service's Days Inventory, along with its competitors' market caps and Days Inventory 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 Days Inventory vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Petrovietnam Drilling & Well Service's Days Inventory distribution charts can be found below:

* The bar in red indicates where Petrovietnam Drilling & Well Service's Days Inventory falls into.


STC:PVD
94GF Score
Petrovietnam Drilling & Well Service Corp STC:PVD
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Petrovietnam Drilling & Well Service Days Inventory Calculation

Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Petrovietnam Drilling & Well Service's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (1215947.184 + 1536520.885) / 2 ) / 8819108.719*365
=1376234.0345 / 8819108.719*365
=56.96

Petrovietnam Drilling & Well Service's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (1536520.885 + 1515775.72) / 2 ) / 2762992.779*365 / 4
=1526148.3025 / 2762992.779*365 / 4
=50.40

* 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.

Frequently Asked Questions Learn more about Days Inventory →
What does a Days Inventory of 50.40 mean?
Petrovietnam Drilling & Well Service (STC:PVD) has a Days Inventory of 50.40 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Petrovietnam Drilling & Well Service and its competitors. This is 28% below median its historical median of 69.67. Over the past decade, Petrovietnam Drilling & Well Service's Days Inventory has ranged from 51.68 to 86.45. According to the industry distribution chart, Petrovietnam Drilling & Well Service ranks #473 out of 685 companies in the Oil & Gas industry, placing it in the top 69.1%.
Is Petrovietnam Drilling & Well Service's Days Inventory too high?
Petrovietnam Drilling & Well Service's current Days Inventory of 50.40 is 28% below median its 10-year median of 69.67. Over the past 10 years, this metric has ranged from a low of 51.68 to a high of 86.45. The Oil & Gas industry median Days Inventory is 30.99. Petrovietnam Drilling & Well Service's value of 50.40 is 62.6% above this industry median. Based on the distribution chart, Petrovietnam Drilling & Well Service ranks #473 out of 685 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 Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Petrovietnam Drilling & Well Service's Days Inventory compare to NE and RIG?
According to the Oil & Gas industry distribution chart, Petrovietnam Drilling & Well Service ranks #473 out of 685 companies for Days Inventory. This places Petrovietnam Drilling & Well Service in the lower half of its industry. The industry median Days Inventory is 30.99. Petrovietnam Drilling & Well Service's value of 50.40 is 62.6% above this benchmark. Historically, Petrovietnam Drilling & Well Service's own Days Inventory has ranged from 51.68 to 86.45 over the past decade. While the company's 10-year median is 69.67 vs. the industry median of 30.99, Petrovietnam Drilling & Well Service 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 Days Inventory for an Oil & Gas company?
The median Days Inventory among Oil & Gas companies is 30.99, based on 685 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Petrovietnam Drilling & Well Service's current Days Inventory of 50.40 is 62.6% 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Petrovietnam Drilling & Well Service and its competitors. For the Oil & Gas industry, the median Days Inventory is 30.99 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Petrovietnam Drilling & Well Service's current Days Inventory is 50.40, which is 28% below median its own 10-year median of 69.67. 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 Possible Value Trap. The stock's GF Value™ is ₫28,837.91, compared to a current price of ₫18,603.95 — trading 35.5% below its estimated fair value. The current Days Inventory is 50.40, which is 28% below median its 10-year median of 69.67 and 62.6% above the Oil & Gas industry median of 30.99. 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 Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Petrovietnam Drilling & Well Service (STC:PVD), the current Days Inventory is 50.40 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 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 ₫18,603.95 is trading 35.5% below its estimated GF Value™ of ₫28,837.91. GuruFocus considers Petrovietnam Drilling & Well Service to be Possible Value Trap.

Key valuation signals for STC:PVD:

  • Days Inventory: 50.40 (28% below median its 10-year median of 69.67)
  • GF Value™: ₫28,837.91 vs. price of ₫18,603.95 (35.5% below fair value)
  • GF Score™: 94/100 with 3 warning signs
  • Industry Position: 62.6% above the Oil & Gas median (#473 of 685)

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 Business Description

Industry EnergyOil & Gas
Address 4th Floor, Sailing Tower, 111A Pasteur Street, Ben Nghe Ward, District 1, Ho Chi Minh, VNM
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

Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

₫18,603.95
Price
₫28,837.91
GF Value