DTE Energy Co (FRA:DGY) Days Inventory: 28.84 (As of Mar. 2026) — 10% Below Median


FRA:DGY DTE Energy Co FRA:DGY
71 GF Score
Price €134.05
GF Value €134.94
Valuation Fairly Valued
! 13 Warning Signs
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What is DTE Energy Co Days Inventory?

DTE Energy Co FRA:DGY +0.22% 71 Days Inventory is 28.84 as of Mar. 2026, which is 10% below its 10-year median of 32.10. GuruFocus rates FRA:DGY with a GF Score™ of 71/100 and a GF Value™ of €134.94 (Fairly Valued). The stock has 13 warning signs investors should review. Among 453 Utilities - Regulated companies, DTE Energy Co ranks worse than 70.86% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). DTE Energy Co's Average Total Inventories for the three months ended in Mar. 2026 was €1,120 Mil. DTE Energy Co's Cost of Goods Sold for the three months ended in Mar. 2026 was €3,542 Mil. Hence, DTE Energy Co's Days Inventory for the three months ended in Mar. 2026 was 28.84.

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

FRA:DGY' s Days Inventory Range Over the Past 10 Years
Min: 21.11   Med: 32.1   Max: 51.68
Current: 41.04

During the past 13 years, DTE Energy Co's highest Days Inventory was 51.68. The lowest was 21.11. And the median was 32.10.

FRA:DGY's Days Inventory is ranked worse than
70.86% of 453 companies
in the Utilities - Regulated industry
Industry Median: 22.51 vs FRA:DGY: 41.04

DTE Energy Co's Days Inventory declined from Mar. 2025 (34.50) to Mar. 2026 (28.84).

Inventory Turnover measures how fast the company turns over its inventory within a year. DTE Energy Co's Inventory Turnover for the three months ended in Mar. 2026 was 3.16.

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. DTE Energy Co's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.25.


DTE Energy Co  (FRA:DGY) 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.

DTE Energy Co'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.

DTE Energy Co's Inventory to Revenue for the three months ended in Mar. 2026 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.


DTE Energy Co Days Inventory Related Terms


DTE Energy Co Days Inventory Historical Data

* Premium members only.

The historical data trend for DTE 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.

DTE Energy Co Days Inventory Chart

DTE 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 23.79 20.48 43.87 50.73 45.82

DTE Energy Co 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 34.50 49.16 59.50 42.78 28.84

FRA:DGY vs AEE, CNP, EIX: Days Inventory Comparison

For the Utilities - Regulated Electric subindustry, DTE 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.


DTE Energy Co Days Inventory vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, DTE Energy Co's Days Inventory distribution charts can be found below:

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


FRA:DGY
71GF Score
DTE Energy Co FRA:DGY
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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DTE Energy Co Days Inventory Calculation

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

DTE 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
=( (1188.975 + 1174.25) / 2 ) / 9411.934*365
=1181.6125 / 9411.934*365
=45.82

DTE Energy Co'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
=( (1174.25 + 1064.815) / 2 ) / 3542.175*365 / 4
=1119.5325 / 3542.175*365 / 4
=28.84

* 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 28.84 mean?
DTE Energy Co (FRA:DGY) has a Days Inventory of 28.84 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on DTE Energy Co and its competitors. This is 10% below median its historical median of 32.10. Over the past decade, DTE Energy Co's Days Inventory has ranged from 21.11 to 51.68. According to the industry distribution chart, DTE Energy Co ranks #321 out of 453 companies in the Utilities - Regulated industry, placing it in the top 70.9%.
Is DTE Energy Co's Days Inventory too high?
DTE Energy Co's current Days Inventory of 28.84 is 10% below median its 10-year median of 32.10. Over the past 10 years, this metric has ranged from a low of 21.11 to a high of 51.68. The Utilities - Regulated industry median Days Inventory is 22.51. DTE Energy Co's value of 28.84 is 28.1% above this industry median. Based on the distribution chart, DTE Energy Co ranks #321 out of 453 companies in the Utilities - Regulated industry, which is below the industry midpoint. Overall, DTE Energy Co has a GF Score™ of 71/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does DTE Energy Co's Days Inventory compare to AEE and CNP?
According to the Utilities - Regulated industry distribution chart, DTE Energy Co ranks #321 out of 453 companies for Days Inventory. This places DTE Energy Co in the lower half of its industry. The industry median Days Inventory is 22.51. DTE Energy Co's value of 28.84 is 28.1% above this benchmark. Historically, DTE Energy Co's own Days Inventory has ranged from 21.11 to 51.68 over the past decade. While the company's 10-year median is 32.10 vs. the industry median of 22.51, DTE Energy Co 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 Utilities - Regulated company?
The median Days Inventory among Utilities - Regulated companies is 22.51, based on 453 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. DTE Energy Co's current Days Inventory of 28.84 is 28.1% 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 DTE Energy Co and its competitors. For the Utilities - Regulated industry, the median Days Inventory is 22.51 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. DTE Energy Co's current Days Inventory is 28.84, which is 10% below median its own 10-year median of 32.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is DTE Energy Co stock overvalued right now?
Based on GuruFocus' analysis, DTE Energy Co (FRA:DGY) is currently considered Fairly Valued. The stock's GF Value™ is €134.94, compared to a current price of €134.05 — trading 0.7% below its estimated fair value. The current Days Inventory is 28.84, which is 10% below median its 10-year median of 32.10 and 28.1% above the Utilities - Regulated industry median of 22.51. DTE Energy Co's overall GF Score™ is 71/100 with 13 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 DTE Energy Co (FRA:DGY), the current Days Inventory is 28.84 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 DTE Energy Co (FRA:DGY) Overvalued in 2026?

Based on GuruFocus' analysis, DTE Energy Co stock appears to be undervalued. The current stock price of €134.05 is trading 0.7% below its estimated GF Value™ of €134.94. GuruFocus considers DTE Energy Co to be Fairly Valued.

Key valuation signals for FRA:DGY:

  • Days Inventory: 28.84 (10% below median its 10-year median of 32.10)
  • GF Value™: €134.94 vs. price of €134.05 (0.7% below fair value)
  • GF Score™: 71/100 with 13 warning signs
  • Industry Position: 28.1% above the Utilities - Regulated median (#321 of 453)

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


DTE Energy Co Business Description

Address One Energy Plaza, Detroit, MI, USA, 48226-1221
DTE Energy owns two regulated utilities in Michigan that contribute 90% of earnings. DTE Electric serves approximately 2.3 million customers in southeastern Michigan, including Detroit. DTE Gas serves 1.3 million customers throughout the state. In addition, DTE has nonutility businesses and investments including energy marketing and trading, renewable natural gas facilities, and on-site industrial energy projects.
71GF Score

Get the complete analysis for FRA:DGY

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

€134.05
Price
€134.94
GF Value