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.
MDU Resources GroupFRA:MRE -0.58%74 Days Inventory is 6.61 as of Mar. 2026, which is 72% below its 10-year median of 23.36. GuruFocus rates FRA:MRE with a GF Score™ of 74/100 and a GF Value™ of €15.23 (Modestly Overvalued). The stock has 5 warning signs investors should review. Among 453 Utilities - Regulated companies, MDU Resources Group ranks better than 76.82% on this metric.
The historical rank and industry rank for MDU Resources Group's Days Inventory or its related term are showing as below:
FRA:MRE'
s Days Inventory Range Over the Past 10 Years
Min: 8.63 Med: 23.36 Max: 58.04
Current: 8.63
During the past 13 years, MDU Resources Group's highest Days Inventory was 58.04. The lowest was 8.63. And the median was 23.36.
FRA:MRE's Days Inventory is ranked better than 76.82% of 453
companies
in the Utilities - Regulated industry
Industry Median: 22.73
vs FRA:MRE: 8.63
MDU Resources Group's Days Inventory
increased
from Mar. 2025 (6.27) to Mar. 2026 (6.61).
It might indicate that MDU Resources Group's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
MDU Resources Group's Inventory Turnover for the
three
months ended in Mar. 2026 was 13.80.
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.
MDU Resources Group's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.05.
MDU Resources Group (FRA:MRE) 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.
MDU Resources Group'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.
MDU Resources Group'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.
MDU Resources Group Days Inventory Related Terms
MDU Resources Group Days Inventory Historical Data
* Premium members only.
The historical data trend for MDU Resources 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.
FRA:MRE vs SR, OGS, CPK: Days Inventory Comparison
For the Utilities - Regulated Gas subindustry, MDU Resources 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.
MDU Resources Group Days Inventory vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, MDU Resources Group's Days Inventory distribution charts can be found below:
* The bar in red indicates where MDU Resources Group's Days Inventory falls into.
* 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.
MDU Resources Group (FRA:MRE) has a Days Inventory of 6.61 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on MDU Resources Group and its competitors. This is 72% below median its historical median of 23.36. Over the past decade, MDU Resources Group's Days Inventory has ranged from 8.63 to 58.04. According to the industry distribution chart, MDU Resources Group ranks #105 out of 453 companies in the Utilities - Regulated industry, placing it in the top 23.2%.
Is MDU Resources Group's Days Inventory too high?
MDU Resources Group's current Days Inventory of 6.61 is 72% below median its 10-year median of 23.36. Over the past 10 years, this metric has ranged from a low of 8.63 to a high of 58.04. The Utilities - Regulated industry median Days Inventory is 22.73. MDU Resources Group's value of 6.61 is 70.9% below this industry median. Based on the distribution chart, MDU Resources Group ranks #105 out of 453 companies in the Utilities - Regulated industry, which is in the top quartile — a strong position relative to peers. Overall, MDU Resources Group has a GF Score™ of 74/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does MDU Resources Group's Days Inventory compare to SR and OGS?
According to the Utilities - Regulated industry distribution chart, MDU Resources Group ranks #105 out of 453 companies for Days Inventory. This places MDU Resources Group in the top 23% of its industry — outperforming the majority of peers. The industry median Days Inventory is 22.73. MDU Resources Group's value of 6.61 is 70.9% below this benchmark. Historically, MDU Resources Group's own Days Inventory has ranged from 8.63 to 58.04 over the past decade. While the company's 10-year median is 23.36 vs. the industry median of 22.73, MDU Resources 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 Utilities - Regulated company?
The median Days Inventory among Utilities - Regulated companies is 22.73, 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. MDU Resources Group's current Days Inventory of 6.61 is 70.9% 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 MDU Resources Group and its competitors. For the Utilities - Regulated industry, the median Days Inventory is 22.73 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. MDU Resources Group's current Days Inventory is 6.61, which is 72% 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 MDU Resources Group stock overvalued right now?
Based on GuruFocus' analysis, MDU Resources Group (FRA:MRE) is currently considered Modestly Overvalued. The stock's GF Value™ is €15.23, compared to a current price of €17.20 — trading 12.9% above its estimated fair value. The current Days Inventory is 6.61, which is 72% below median its 10-year median of 23.36 and 70.9% below the Utilities - Regulated industry median of 22.73. MDU Resources Group's overall GF Score™ is 74/100 with 5 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 MDU Resources Group (FRA:MRE), the current Days Inventory is 6.61 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 MDU Resources Group (FRA:MRE) Overvalued in 2026?
Based on GuruFocus' analysis, MDU Resources Group stock appears to be overvalued.
The current stock price of €17.20 is trading 12.9% above its estimated GF Value™ of €15.23.
GuruFocus considers MDU Resources Group to be Modestly Overvalued.
Key valuation signals for FRA:MRE:
Days Inventory: 6.61 (72% below median its 10-year median of 23.36)
GF Value™: €15.23 vs. price of €17.20 (12.9% above fair value)
Industry Position: 70.9% below the Utilities - Regulated median (#105 of 453)
No single metric tells the full story. See the FRA:MRE stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
MDU Resources Group Inc is a pure-play regulated energy delivery business. It is organized into three reportable business segments: Electric, Natural Gas Distribution, and Pipeline. Maximum revenue is generated from the Pipeline segment, which provides natural gas transportation and underground storage services through a FERC-regulated pipeline system mainly in the Rocky Mountain and northern Great Plains regions of the United States. This segment also provides non-regulated energy-related services, including cathodic protection. The electric segment generates, transmits, and distributes electricity in Montana, North Dakota, South Dakota, and Wyoming, and the natural gas distribution segment distributes natural gas in those states, as well as in Idaho, Minnesota, Oregon, and Washington.
74GF Score
Get the complete analysis for FRA:MRE
Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
FRA:MRE has been successfully added to your 
