DEC (Diversified Energy Co) Days Inventory: 7.91 (As of Dec. 2025) — 30% Above Median


DEC Diversified Energy Co DEC
66 GF Score
Price $12.52
GF Value $16.95
Valuation Modestly Undervalued
! 10 Warning Signs
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What is Diversified Energy Co Days Inventory?

Diversified Energy Co DEC -1.96% 66 Days Inventory is 7.91 as of Dec. 2025, which is 30% above its 10-year median of 6.10. GuruFocus rates DEC with a GF Score™ of 66/100 and a GF Value™ of $16.95 (Modestly Undervalued). The stock has 10 warning signs investors should review. Among 685 Oil & Gas companies, Diversified Energy Co ranks better than 86.72% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Diversified Energy Co's Average Total Inventories for the six months ended in Dec. 2025 was $28 Mil. Diversified Energy Co's Cost of Goods Sold for the six months ended in Dec. 2025 was $641 Mil. Hence, Diversified Energy Co's Days Inventory for the six months ended in Dec. 2025 was 7.91.

The historical rank and industry rank for Diversified Energy Co's Days Inventory or its related term are showing as below:

DEC' s Days Inventory Range Over the Past 10 Years
Min: 4.35   Med: 6.1   Max: 24.96
Current: 5.93

During the past 13 years, Diversified Energy Co's highest Days Inventory was 24.96. The lowest was 4.35. And the median was 6.10.

DEC's Days Inventory is ranked better than
86.72% of 685 companies
in the Oil & Gas industry
Industry Median: 31.01 vs DEC: 5.93

Diversified Energy Co's Days Inventory increased from Dec. 2024 (4.30) to Dec. 2025 (7.91). It might indicate that Diversified Energy Co's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Diversified Energy Co's Inventory Turnover for the six months ended in Dec. 2025 was 23.07.

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. Diversified Energy Co's Inventory-to-Revenue for the six months ended in Dec. 2025 was 0.03.


Diversified Energy Co  (NYSE:DEC) 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.

Diversified Energy Co's Inventory Turnover for the six months ended in Dec. 2025 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.

Diversified Energy Co's Inventory to Revenue for the six months ended in Dec. 2025 is calculated as

* 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.


Diversified Energy Co Days Inventory Related Terms


Diversified Energy Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Diversified Energy Co'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.

Diversified Energy Co Days Inventory Chart

Diversified Energy Co 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 6.27 5.10 4.35 4.40 5.93

Diversified Energy Co Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
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 3.83 4.53 4.30 3.43 7.91

DEC vs UNTC, SLNG, SKYQ: Days Inventory Comparison

For the Oil & Gas Integrated subindustry, Diversified Energy Co'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.


Diversified Energy Co Days Inventory vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Diversified Energy Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Diversified Energy Co's Days Inventory falls into.


DEC
66GF Score
Diversified Energy Co DEC
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Diversified Energy Co Days Inventory Calculation

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

Diversified Energy Co'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
=( (9.591 + 27.801) / 2 ) / 1151.26*365
=18.696 / 1151.26*365
=5.93

Diversified Energy Co's Days Inventory for the quarter that ended in Dec. 2025 is calculated as:

Days Inventory (Q: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Jun. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (0 + 27.801) / 1 ) / 641.45*365 / 2
=27.801 / 641.45*365 / 2
=7.91

* 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 7.91 mean?
Diversified Energy Co (DEC) has a Days Inventory of 7.91 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Diversified Energy Co and its competitors. This is 30% above median its historical median of 6.10. Over the past decade, Diversified Energy Co's Days Inventory has ranged from 4.35 to 24.96. According to the industry distribution chart, Diversified Energy Co ranks #91 out of 685 companies in the Oil & Gas industry, placing it in the top 13.3%.
Is Diversified Energy Co's Days Inventory too high?
Diversified Energy Co's current Days Inventory of 7.91 is 30% above median its 10-year median of 6.10. Over the past 10 years, this metric has ranged from a low of 4.35 to a high of 24.96. The Oil & Gas industry median Days Inventory is 31.01. Diversified Energy Co's value of 7.91 is 74.5% below this industry median. Based on the distribution chart, Diversified Energy Co ranks #91 out of 685 companies in the Oil & Gas industry, which is in the top quartile — a strong position relative to peers. Overall, Diversified Energy Co has a GF Score™ of 66/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Diversified Energy Co's Days Inventory compare to UNTC and SLNG?
According to the Oil & Gas industry distribution chart, Diversified Energy Co ranks #91 out of 685 companies for Days Inventory. This places Diversified Energy Co in the top 13% of its industry — outperforming the majority of peers. The industry median Days Inventory is 31.01. Diversified Energy Co's value of 7.91 is 74.5% below this benchmark. Historically, Diversified Energy Co's own Days Inventory has ranged from 4.35 to 24.96 over the past decade. While the company's 10-year median is 6.10 vs. the industry median of 31.01, Diversified Energy Co 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. Diversified Energy Co's current Days Inventory of 7.91 is 74.5% 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 Diversified Energy Co 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. Diversified Energy Co's current Days Inventory is 7.91, which is 30% above median its own 10-year median of 6.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Diversified Energy Co stock overvalued right now?
Based on GuruFocus' analysis, Diversified Energy Co (DEC) is currently considered Modestly Undervalued. The stock's GF Value™ is $16.95, compared to a current price of $12.52 — trading 26.1% below its estimated fair value. The current Days Inventory is 7.91, which is 30% above median its 10-year median of 6.10 and 74.5% below the Oil & Gas industry median of 31.01. Diversified Energy Co's overall GF Score™ is 66/100 with 10 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 Diversified Energy Co (DEC), the current Days Inventory is 7.91 as of Dec. 2025. 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 Diversified Energy Co (DEC) Overvalued in 2026?

Based on GuruFocus' analysis, Diversified Energy Co stock appears to be undervalued. The current stock price of $12.52 is trading 26.1% below its estimated GF Value™ of $16.95. GuruFocus considers Diversified Energy Co to be Modestly Undervalued.

Key valuation signals for DEC:

  • Days Inventory: 7.91 (30% above median its 10-year median of 6.10)
  • GF Value™: $16.95 vs. price of $12.52 (26.1% below fair value)
  • GF Score™: 66/100 with 10 warning signs
  • Industry Position: 74.5% below the Oil & Gas median (#91 of 685)

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


Diversified Energy Co Business Description

Industry EnergyOil & Gas
Other Exchanges DECl:UKDEC:UKQI7:Germany
Address 1600 Corporate Drive, Birmingham, AL, USA, 35242
Diversified Energy Co engaged in the production, transportation, and marketing of natural gas, NGLs, and oil, managing a diversified portfolio of mature, long-life assets located across the United States. The company derives revenues from the sale of oil, natural gas and natural gas liquids.
66GF Score

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

$12.52
Price
$16.95
GF Value