Aton Green Storage SpAMIL:ATON -1.32%11 PB Ratio is 0.40 as of Jul. 12, 2026, which is 79% below its 10-year median of 1.91. GuruFocus rates MIL:ATON with a GF Score™ of 11/100 and a GF Value™ of €0.60 (Possible Value Trap). The stock has 7 warning signs investors should review. Among 2,979 Industrial Products companies, Aton Green Storage SpA ranks worse than 33568.28% on this metric.
Aton Green Storage SpA stock PB Ratio (=0.4) is close to 10-year low of 0.39.
The historical rank and industry rank for Aton Green Storage SpA's PB Ratio or its related term are showing as below:
MIL:ATON'
s PB Ratio Range Over the Past 10 Years
Min: 0.39 Med: 1.91 Max: 32.76
Current: 0.4
During the past 8 years, Aton Green Storage SpA's highest PB Ratio was 32.76. The lowest was 0.39. And the median was 1.91.
MIL:ATON's PB Ratio is not ranked
in the Industrial Products industry.
Industry Median: 2.23
vs MIL:ATON: 0.40
During the past 12 months, Aton Green Storage SpA's average Book Value Per Share Growth Rate was -63.60% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -31.40% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 24.80% per year.
During the past 8 years, the highest 3-Year average Book Value Per Share Growth Rate of Aton Green Storage SpA was 140.00% per year. The lowest was -31.40% per year. And the median was 54.15% per year.
Back to Basics: PB Ratio
Aton Green Storage SpA (MIL:ATON) PB Ratio Explanation
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
* 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.
For the Electrical Equipment & Parts subindustry, Aton Green Storage SpA's PB Ratio, along with its competitors' market caps and PB Ratio 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 PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Aton Green Storage SpA's PB Ratio distribution charts can be found below:
* The bar in red indicates where Aton Green Storage SpA's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Aton Green Storage SpA (MIL:ATON) has a PB Ratio of 0.40 as of Jul. 12, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Aton Green Storage SpA and its competitors. This is 79% below median its historical median of 1.91. Over the past decade, Aton Green Storage SpA's PB Ratio has ranged from 0.39 to 32.76. According to the industry distribution chart, Aton Green Storage SpA ranks #999999 out of 2979 companies in the Industrial Products industry.
Is Aton Green Storage SpA's PB Ratio too high?
Aton Green Storage SpA's current PB Ratio of 0.40 is 79% below median its 10-year median of 1.91. Over the past 10 years, this metric has ranged from a low of 0.39 to a high of 32.76. The Industrial Products industry median PB Ratio is 2.23. Aton Green Storage SpA's value of 0.40 is 82.1% below this industry median. Based on the distribution chart, Aton Green Storage SpA ranks #999999 out of 2979 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 PB Ratio compare to VRT and BE?
According to the Industrial Products industry distribution chart, Aton Green Storage SpA ranks #999999 out of 2979 companies for PB Ratio. This places Aton Green Storage SpA in the lower half of its industry. The industry median PB Ratio is 2.23. Aton Green Storage SpA's value of 0.40 is 82.1% below this benchmark. Historically, Aton Green Storage SpA's own PB Ratio has ranged from 0.39 to 32.76 over the past decade. While the company's 10-year median is 1.91 vs. the industry median of 2.23, Aton Green Storage SpA 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 PB Ratio for an Industrial Products company?
The median PB Ratio among Industrial Products companies is 2.23, based on 2,979 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Aton Green Storage SpA's current PB Ratio of 0.40 is 82.1% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Aton Green Storage SpA and its competitors. For the Industrial Products industry, the median PB Ratio is 2.23 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Aton Green Storage SpA's current PB Ratio is 0.40, which is 79% below median its own 10-year median of 1.91. 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 37.5% below its estimated fair value. The current PB Ratio is 0.40, which is 79% below median its 10-year median of 1.91 and 82.1% below the Industrial Products industry median of 2.23. Aton Green Storage SpA's overall GF Score™ is 11/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Aton Green Storage SpA (MIL:ATON), the current PB Ratio is 0.40 as of Jul. 12, 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 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 37.5% 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:
PB Ratio: 0.40 (79% below median its 10-year median of 1.91)
GF Value™: €0.60 vs. price of €0.38 (37.5% below fair value)
Industry Position: 82.1% below the Industrial Products median (#999999 of 2979)
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.
11GF Score
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