REN-Redes Energeticas Nacionais Sgps (HAM:RN4) Days Inventory: 6.35 (As of Mar. 2026) — 13% Below Median


HAM:RN4 REN-Redes Energeticas Nacionais Sgps SA HAM:RN4
83 GF Score
Price €3.74
GF Value €2.85
Valuation Significantly Overvalued
! 11 Warning Signs
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What is REN-Redes Energeticas Nacionais Sgps Days Inventory?

REN-Redes Energeticas Nacionais Sgps HAM:RN4 +1.63% 83 Days Inventory is 6.35 as of Mar. 2026, which is 13% below its 10-year median of 7.30. GuruFocus rates HAM:RN4 with a GF Score™ of 83/100 and a GF Value™ of €2.85 (Significantly Overvalued). The stock has 11 warning signs investors should review. Among 450 Utilities - Regulated companies, REN-Redes Energeticas Nacionais Sgps ranks better than 89.56% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). REN-Redes Energeticas Nacionais Sgps's Average Total Inventories for the three months ended in Mar. 2026 was €2 Mil. REN-Redes Energeticas Nacionais Sgps's Cost of Goods Sold for the three months ended in Mar. 2026 was €35 Mil. Hence, REN-Redes Energeticas Nacionais Sgps's Days Inventory for the three months ended in Mar. 2026 was 6.35.

The historical rank and industry rank for REN-Redes Energeticas Nacionais Sgps's Days Inventory or its related term are showing as below:

HAM:RN4' s Days Inventory Range Over the Past 10 Years
Min: 2.49   Med: 7.3   Max: 12.88
Current: 2.65

During the past 13 years, REN-Redes Energeticas Nacionais Sgps's highest Days Inventory was 12.88. The lowest was 2.49. And the median was 7.30.

HAM:RN4's Days Inventory is ranked better than
89.56% of 450 companies
in the Utilities - Regulated industry
Industry Median: 22.52 vs HAM:RN4: 2.65

REN-Redes Energeticas Nacionais Sgps's Days Inventory increased from Mar. 2025 (4.16) to Mar. 2026 (6.35). It might indicate that REN-Redes Energeticas Nacionais Sgps's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. REN-Redes Energeticas Nacionais Sgps's Inventory Turnover for the three months ended in Mar. 2026 was 14.37.

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. REN-Redes Energeticas Nacionais Sgps's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.01.


REN-Redes Energeticas Nacionais Sgps  (HAM:RN4) 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.

REN-Redes Energeticas Nacionais Sgps'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.

REN-Redes Energeticas Nacionais Sgps'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.


REN-Redes Energeticas Nacionais Sgps Days Inventory Related Terms


REN-Redes Energeticas Nacionais Sgps Days Inventory Historical Data

* Premium members only.

The historical data trend for REN-Redes Energeticas Nacionais Sgps'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.

REN-Redes Energeticas Nacionais Sgps Days Inventory Chart

REN-Redes Energeticas Nacionais Sgps 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 9.36 12.88 7.87 5.75 2.49

REN-Redes Energeticas Nacionais Sgps 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 4.16 3.23 2.19 1.73 6.35

HAM:RN4 vs SRE, AES: Days Inventory Comparison

For the Utilities - Diversified subindustry, REN-Redes Energeticas Nacionais Sgps'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.


REN-Redes Energeticas Nacionais Sgps Days Inventory vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, REN-Redes Energeticas Nacionais Sgps's Days Inventory distribution charts can be found below:

* The bar in red indicates where REN-Redes Energeticas Nacionais Sgps's Days Inventory falls into.


HAM:RN4
83GF Score
REN-Redes Energeticas Nacionais Sgps SA HAM:RN4
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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REN-Redes Energeticas Nacionais Sgps Days Inventory Calculation

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

REN-Redes Energeticas Nacionais Sgps'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
=( (2.538 + 2.396) / 2 ) / 361.992*365
=2.467 / 361.992*365
=2.49

REN-Redes Energeticas Nacionais Sgps'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
=( (2.396 + 2.47) / 2 ) / 34.973*365 / 4
=2.433 / 34.973*365 / 4
=6.35

* 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 6.35 mean?
REN-Redes Energeticas Nacionais Sgps (HAM:RN4) has a Days Inventory of 6.35 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on REN-Redes Energeticas Nacionais Sgps and its competitors. This is 13% below median its historical median of 7.30. Over the past decade, REN-Redes Energeticas Nacionais Sgps' Days Inventory has ranged from 2.49 to 12.88. According to the industry distribution chart, REN-Redes Energeticas Nacionais Sgps ranks #47 out of 450 companies in the Utilities - Regulated industry, placing it in the top 10.4%.
Is REN-Redes Energeticas Nacionais Sgps' Days Inventory too high?
REN-Redes Energeticas Nacionais Sgps' current Days Inventory of 6.35 is 13% below median its 10-year median of 7.30. Over the past 10 years, this metric has ranged from a low of 2.49 to a high of 12.88. The Utilities - Regulated industry median Days Inventory is 22.52. REN-Redes Energeticas Nacionais Sgps' value of 6.35 is 71.8% below this industry median. Based on the distribution chart, REN-Redes Energeticas Nacionais Sgps ranks #47 out of 450 companies in the Utilities - Regulated industry, which is in the top quartile — a strong position relative to peers. Overall, REN-Redes Energeticas Nacionais Sgps has a GF Score™ of 83/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does REN-Redes Energeticas Nacionais Sgps' Days Inventory compare to SRE and AES?
According to the Utilities - Regulated industry distribution chart, REN-Redes Energeticas Nacionais Sgps ranks #47 out of 450 companies for Days Inventory. This places REN-Redes Energeticas Nacionais Sgps in the top 10% of its industry — outperforming the majority of peers. The industry median Days Inventory is 22.52. REN-Redes Energeticas Nacionais Sgps' value of 6.35 is 71.8% below this benchmark. Historically, REN-Redes Energeticas Nacionais Sgps' own Days Inventory has ranged from 2.49 to 12.88 over the past decade. While the company's 10-year median is 7.30 vs. the industry median of 22.52, REN-Redes Energeticas Nacionais Sgps 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 22.52, based on 450 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. REN-Redes Energeticas Nacionais Sgps's current Days Inventory of 6.35 is 71.8% 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 REN-Redes Energeticas Nacionais Sgps and its competitors. For the Utilities - Regulated industry, the median Days Inventory is 22.52 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. REN-Redes Energeticas Nacionais Sgps's current Days Inventory is 6.35, which is 13% below median its own 10-year median of 7.30. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is REN-Redes Energeticas Nacionais Sgps stock overvalued right now?
Based on GuruFocus' analysis, REN-Redes Energeticas Nacionais Sgps (HAM:RN4) is currently considered Significantly Overvalued. The stock's GF Value™ is €2.85, compared to a current price of €3.74 — trading 31.1% above its estimated fair value. The current Days Inventory is 6.35, which is 13% below median its 10-year median of 7.30 and 71.8% below the Utilities - Regulated industry median of 22.52. REN-Redes Energeticas Nacionais Sgps' overall GF Score™ is 83/100 with 11 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 REN-Redes Energeticas Nacionais Sgps (HAM:RN4), the current Days Inventory is 6.35 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 REN-Redes Energeticas Nacionais Sgps (HAM:RN4) Overvalued in 2026?

Based on GuruFocus' analysis, REN-Redes Energeticas Nacionais Sgps stock appears to be overvalued. The current stock price of €3.74 is trading 31.1% above its estimated GF Value™ of €2.85. GuruFocus considers REN-Redes Energeticas Nacionais Sgps to be Significantly Overvalued.

Key valuation signals for HAM:RN4:

  • Days Inventory: 6.35 (13% below median its 10-year median of 7.30)
  • GF Value™: €2.85 vs. price of €3.74 (31.1% above fair value)
  • GF Score™: 83/100 with 11 warning signs
  • Industry Position: 71.8% below the Utilities - Regulated median (#47 of 450)

No single metric tells the full story. See the HAM:RN4 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


REN-Redes Energeticas Nacionais Sgps Business Description

Address Avenida Estados Unidos da America, 55, Lisbon, PRT, 1749-061
REN-Redes Energeticas Nacionais Sgps SA is an energy and utility company that operates as the primary concession holder for electricity transmission and natural gas transportation in Portugal. It manages the national high-voltage electricity grid, high-pressure natural gas pipelines, LNG terminal, and underground storage, focusing on energy transition, sustainability, and security of supply. The Group presently has two main business segments, Electricity and Gas, and a secondary business of Telecommunications.
83GF Score

Get the complete analysis for HAM:RN4

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

€3.74
Price
€2.85
GF Value