Vietnam National Petroleum Group (STC:PLX) Days Inventory: 20.95 (As of Mar. 2026) — 10% Below Median


STC:PLX Vietnam National Petroleum Group STC:PLX
92 GF Score
Price ₫37,800.00
GF Value ₫42,610.49
Valuation Modestly Undervalued
! 4 Warning Signs
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What is Vietnam National Petroleum Group Days Inventory?

Vietnam National Petroleum Group STC:PLX +0.27% 92 Days Inventory is 20.95 as of Mar. 2026, which is 10% below its 10-year median of 23.36. GuruFocus rates STC:PLX with a GF Score™ of 92/100 and a GF Value™ of ₫42,610.49 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 685 Oil & Gas companies, Vietnam National Petroleum Group ranks better than 61.61% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Vietnam National Petroleum Group's Average Total Inventories for the three months ended in Mar. 2026 was ₫21,807,868 Mil. Vietnam National Petroleum Group's Cost of Goods Sold for the three months ended in Mar. 2026 was ₫94,997,192 Mil. Hence, Vietnam National Petroleum Group's Days Inventory for the three months ended in Mar. 2026 was 20.95.

The historical rank and industry rank for Vietnam National Petroleum Group's Days Inventory or its related term are showing as below:

STC:PLX' s Days Inventory Range Over the Past 10 Years
Min: 18.47   Med: 23.36   Max: 33.93
Current: 20.94

During the past 10 years, Vietnam National Petroleum Group's highest Days Inventory was 33.93. The lowest was 18.47. And the median was 23.36.

STC:PLX's Days Inventory is ranked better than
61.61% of 685 companies
in the Oil & Gas industry
Industry Median: 31.01 vs STC:PLX: 20.94

Vietnam National Petroleum Group's Days Inventory declined from Mar. 2025 (22.30) to Mar. 2026 (20.95).

Inventory Turnover measures how fast the company turns over its inventory within a year. Vietnam National Petroleum Group's Inventory Turnover for the three months ended in Mar. 2026 was 4.36.

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. Vietnam National Petroleum Group's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.22.


Vietnam National Petroleum Group  (STC:PLX) 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.

Vietnam National Petroleum Group's Inventory Turnover for the three months ended in Mar. 2026 is calculated as

Inventory Turnover=Cost of Goods Sold / Average Total Inventories
=94997191.646 / 21807867.748
=4.36

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.

Vietnam National Petroleum Group's Inventory to Revenue for the three months ended in Mar. 2026 is calculated as

Inventory-to-Revenue=Average Total Inventories / Revenue
=21807867.748 / 98697936.1
=0.22

* 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.


Vietnam National Petroleum Group Days Inventory Related Terms


Vietnam National Petroleum Group Days Inventory Historical Data

* Premium members only.

The historical data trend for Vietnam National Petroleum Group'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.

Vietnam National Petroleum Group Days Inventory Chart

Vietnam National Petroleum Group 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 26.33 19.01 22.48 20.75 18.47

Vietnam National Petroleum Group 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 22.30 20.60 19.26 18.04 20.95

STC:PLX vs VLO, MPC, PSX: Days Inventory Comparison

For the Oil & Gas Refining & Marketing subindustry, Vietnam National Petroleum Group'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.


Vietnam National Petroleum Group Days Inventory vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Vietnam National Petroleum Group's Days Inventory distribution charts can be found below:

* The bar in red indicates where Vietnam National Petroleum Group's Days Inventory falls into.


STC:PLX
92GF Score
Vietnam National Petroleum Group STC:PLX
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Vietnam National Petroleum Group Days Inventory Calculation

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

Vietnam National Petroleum Group'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
=( (15673039.677 + 13861852.856) / 2 ) / 291761774.259*365
=14767446.2665 / 291761774.259*365
=18.47

Vietnam National Petroleum Group'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
=( (13861852.856 + 29753882.64) / 2 ) / 94997191.646*365 / 4
=21807867.748 / 94997191.646*365 / 4
=20.95

* 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 20.95 mean?
Vietnam National Petroleum Group (STC:PLX) has a Days Inventory of 20.95 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Vietnam National Petroleum Group and its competitors. This is 10% below median its historical median of 23.36. Over the past decade, Vietnam National Petroleum Group's Days Inventory has ranged from 18.47 to 33.93. According to the industry distribution chart, Vietnam National Petroleum Group ranks #263 out of 685 companies in the Oil & Gas industry, placing it in the top 38.4%.
Is Vietnam National Petroleum Group's Days Inventory too high?
Vietnam National Petroleum Group's current Days Inventory of 20.95 is 10% below median its 10-year median of 23.36. Over the past 10 years, this metric has ranged from a low of 18.47 to a high of 33.93. The Oil & Gas industry median Days Inventory is 31.01. Vietnam National Petroleum Group's value of 20.95 is 32.4% below this industry median. Based on the distribution chart, Vietnam National Petroleum Group ranks #263 out of 685 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, Vietnam National Petroleum Group has a GF Score™ of 92/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Vietnam National Petroleum Group's Days Inventory compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, Vietnam National Petroleum Group ranks #263 out of 685 companies for Days Inventory. This puts Vietnam National Petroleum Group in the upper half of its industry. The industry median Days Inventory is 31.01. Vietnam National Petroleum Group's value of 20.95 is 32.4% below this benchmark. Historically, Vietnam National Petroleum Group's own Days Inventory has ranged from 18.47 to 33.93 over the past decade. While the company's 10-year median is 23.36 vs. the industry median of 31.01, Vietnam National Petroleum Group 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 Days Inventory for an Oil & Gas company?
The median Days Inventory among Oil & Gas companies is 31.01, 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. Vietnam National Petroleum Group's current Days Inventory of 20.95 is 32.4% 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 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 Vietnam National Petroleum Group and its competitors. For the Oil & Gas industry, the median Days Inventory is 31.01 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Vietnam National Petroleum Group's current Days Inventory is 20.95, which is 10% below median its own 10-year median of 23.36. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Vietnam National Petroleum Group stock overvalued right now?
Based on GuruFocus' analysis, Vietnam National Petroleum Group (STC:PLX) is currently considered Modestly Undervalued. The stock's GF Value™ is ₫42,610.49, compared to a current price of ₫37,800.00 — trading 11.3% below its estimated fair value. The current Days Inventory is 20.95, which is 10% below median its 10-year median of 23.36 and 32.4% below the Oil & Gas industry median of 31.01. Vietnam National Petroleum Group's overall GF Score™ is 92/100 with 4 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 Vietnam National Petroleum Group (STC:PLX), the current Days Inventory is 20.95 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 Vietnam National Petroleum Group (STC:PLX) Overvalued in 2026?

Based on GuruFocus' analysis, Vietnam National Petroleum Group stock appears to be undervalued. The current stock price of ₫37,800.00 is trading 11.3% below its estimated GF Value™ of ₫42,610.49. GuruFocus considers Vietnam National Petroleum Group to be Modestly Undervalued.

Key valuation signals for STC:PLX:

  • Days Inventory: 20.95 (10% below median its 10-year median of 23.36)
  • GF Value™: ₫42,610.49 vs. price of ₫37,800.00 (11.3% below fair value)
  • GF Score™: 92/100 with 4 warning signs
  • Industry Position: 32.4% below the Oil & Gas median (#263 of 685)

No single metric tells the full story. See the STC:PLX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Vietnam National Petroleum Group Business Description

Industry EnergyOil & Gas
Address No. 1, Kham Thien, Kham Thien Ward, Dong Da District, Hanoi, VNM
Vietnam National Petroleum Group is engaged in import, export, and deal in petroleum, refining, and petrochemical products. The firm also invests in fields like engineering, mechanical and oil equipment, insurance, banking, and other commercial activities.
92GF Score

Get the complete analysis for STC:PLX

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

₫37,800.00
Price
₫42,610.49
GF Value