Aton Green Storage SpAMIL:ATON +1.60%11 Days Inventory is 399.75 as of Dec. 2025, which is 85% above its 10-year median of 216.27. GuruFocus rates MIL:ATON with a GF Score™ of 11/100 and a GF Value™ of €0.60 (Possible Value Trap). The stock has 8 warning signs investors should review. Among 2,968 Industrial Products companies, Aton Green Storage SpA ranks worse than 97.81% on this metric.
The historical rank and industry rank for Aton Green Storage SpA's Days Inventory or its related term are showing as below:
MIL:ATON'
s Days Inventory Range Over the Past 10 Years
Min: 88.18 Med: 216.27 Max: 631.64
Current: 631.64
During the past 8 years, Aton Green Storage SpA's highest Days Inventory was 631.64. The lowest was 88.18. And the median was 216.27.
MIL:ATON's Days Inventory is ranked worse than 97.81% of 2968
companies
in the Industrial Products industry
Industry Median: 119.47
vs MIL:ATON: 631.64
Aton Green Storage SpA's Days Inventory
declined
from Dec. 2024 (696.65) to Dec. 2025 (399.75).
Warning Sign:
If a company builds up inventory, it may mean it is having difficulties selling its goods.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Aton Green Storage SpA's Inventory Turnover for the
six
months ended in Dec. 2025 was 0.46.
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.
Aton Green Storage SpA's Inventory-to-Revenue for the
six
months ended in Dec. 2025 was 5.12.
Aton Green Storage SpA (MIL:ATON) 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.
Aton Green Storage SpA'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.
Aton Green Storage SpA'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.
Aton Green Storage SpA Days Inventory Related Terms
Aton Green Storage SpA Days Inventory Historical Data
* Premium members only.
The historical data trend for Aton Green Storage SpA'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.
MIL:ATON vs VRT, BE, HUBB: Days Inventory Comparison
For the Electrical Equipment & Parts subindustry, Aton Green Storage SpA'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.
Aton Green Storage SpA Days Inventory vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Aton Green Storage SpA's Days Inventory distribution charts can be found below:
* The bar in red indicates where Aton Green Storage SpA'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.
Aton Green Storage SpA (MIL:ATON) has a Days Inventory of 399.75 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Aton Green Storage SpA and its competitors. This is 85% above median its historical median of 216.27. Over the past decade, Aton Green Storage SpA's Days Inventory has ranged from 88.18 to 631.64. According to the industry distribution chart, Aton Green Storage SpA ranks #2903 out of 2968 companies in the Industrial Products industry, placing it in the top 97.8%.
Is Aton Green Storage SpA's Days Inventory too high?
Aton Green Storage SpA's current Days Inventory of 399.75 is 85% above median its 10-year median of 216.27. Over the past 10 years, this metric has ranged from a low of 88.18 to a high of 631.64. The Industrial Products industry median Days Inventory is 119.47. Aton Green Storage SpA's value of 399.75 is 234.6% above this industry median. Based on the distribution chart, Aton Green Storage SpA ranks #2903 out of 2968 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Aton Green Storage SpA has a GF Score™ of 11/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Aton Green Storage SpA's Days Inventory compare to VRT and BE?
According to the Industrial Products industry distribution chart, Aton Green Storage SpA ranks #2903 out of 2968 companies for Days Inventory. This places Aton Green Storage SpA in the lower half of its industry. The industry median Days Inventory is 119.47. Aton Green Storage SpA's value of 399.75 is 234.6% above this benchmark. Historically, Aton Green Storage SpA's own Days Inventory has ranged from 88.18 to 631.64 over the past decade. While the company's 10-year median is 216.27 vs. the industry median of 119.47, Aton Green Storage SpA 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 Industrial Products company?
The median Days Inventory among Industrial Products companies is 119.47, based on 2,968 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. Aton Green Storage SpA's current Days Inventory of 399.75 is 234.6% 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 Aton Green Storage SpA and its competitors. For the Industrial Products industry, the median Days Inventory is 119.47 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Aton Green Storage SpA's current Days Inventory is 399.75, which is 85% above median its own 10-year median of 216.27. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aton Green Storage SpA stock overvalued right now?
Based on GuruFocus' analysis, Aton Green Storage SpA (MIL:ATON) is currently considered Possible Value Trap. The stock's GF Value™ is €0.60, compared to a current price of €0.38 — trading 36.7% below its estimated fair value. The current Days Inventory is 399.75, which is 85% above median its 10-year median of 216.27 and 234.6% above the Industrial Products industry median of 119.47. Aton Green Storage SpA's overall GF Score™ is 11/100 with 8 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 Aton Green Storage SpA (MIL:ATON), the current Days Inventory is 399.75 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 Aton Green Storage SpA (MIL:ATON) Overvalued in 2026?
Based on GuruFocus' analysis, Aton Green Storage SpA stock appears to be undervalued.
The current stock price of €0.38 is trading 36.7% below its estimated GF Value™ of €0.60.
GuruFocus considers Aton Green Storage SpA to be Possible Value Trap.
Key valuation signals for MIL:ATON:
Days Inventory: 399.75 (85% above median its 10-year median of 216.27)
GF Value™: €0.60 vs. price of €0.38 (36.7% below fair value)
Industry Position: 234.6% above the Industrial Products median (#2903 of 2968)
No single metric tells the full story. See the MIL:ATON stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Aton Green Storage SpA is an Italian company in the market for the engineering and production of storage systems for photovoltaic systems - Battery Energy Storage System. Its products include RA. Store-K, RA.Store-3, Zon.IS, G.Store, H.Store, Z.Store for new and existing plants; and Axis.T. for electric vehicle charging.
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