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ATOSS Software SEFRA:AOF -2.76%92 Shiller PE Ratio is 58.34 as of Sep. 10, 2026, which is 34% below its 10-year median of 88.64. GuruFocus rates FRA:AOF with a GF Score™ of 92/100 and a GF Value™ of €151.06 (Significantly Undervalued). Among 1,019 Software companies, ATOSS Software SE ranks worse than 78.61% on this metric.
The historical rank and industry rank for ATOSS Software SE's Shiller PE Ratio or its related term are showing as below:
FRA:AOF'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 40.29 Med: 88.64 Max: 187.93
Current: 62.09
During the past 13 years, ATOSS Software SE's highest Shiller PE Ratio was 187.93. The lowest was 40.29. And the median was 88.64.
FRA:AOF's Shiller PE Ratio is ranked worse than 78.61% of 1019
companies
in the Software industry
Industry Median: 27.16
vs FRA:AOF: 62.09
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
ATOSS Software SE's adjusted earnings per share data of for the fiscal year that ended in Dec25 was €3.040. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is €1.57 for the trailing ten years ended in Dec25.
Shiller PE for Stocks: The True Measure of Stock Valuation
ATOSS Software SE (FRA:AOF) Shiller PE Ratio Explanation
Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.
Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.
Be Aware
Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.
ATOSS Software SE Shiller PE Ratio Related Terms
ATOSS Software SE Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for ATOSS Software SE's Shiller PE Ratio 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:AOF vs CRM, SHOP, UBER: Shiller PE Ratio Comparison
For the Software - Application subindustry, ATOSS Software SE's Shiller PE Ratio, along with its competitors' market caps and Shiller PE 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.
ATOSS Software SE Shiller PE Ratio vs Software Industry
For the Software industry and Technology sector, ATOSS Software SE's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where ATOSS Software SE's Shiller PE Ratio falls into.
For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.
* 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.
ATOSS Software SE's E10 for the fiscal year that ended in Dec25 is calculated as:
For example, ATOSS Software SE's adjusted earnings per share data for the fiscal year that ended in Dec25 was:
Add all the adjusted EPS together and divide 10 will get our E10.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
ATOSS Software SE (FRA:AOF) has a Shiller PE Ratio of 58.34 as of Sep. 10, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on ATOSS Software SE and its competitors. This is 34% below median its historical median of 88.64. Over the past decade, ATOSS Software SE's Shiller PE Ratio has ranged from 40.29 to 187.93. According to the industry distribution chart, ATOSS Software SE ranks #801 out of 1019 companies in the Software industry, placing it in the top 78.6%.
Is ATOSS Software SE's Shiller PE Ratio too high?
ATOSS Software SE's current Shiller PE Ratio of 58.34 is 34% below median its 10-year median of 88.64. Over the past 10 years, this metric has ranged from a low of 40.29 to a high of 187.93. The Software industry median Shiller PE Ratio is 27.16. ATOSS Software SE's value of 58.34 is 114.8% above this industry median. Based on the distribution chart, ATOSS Software SE ranks #801 out of 1019 companies in the Software industry, which is in the bottom quartile relative to peers. Overall, ATOSS Software SE has a GF Score™ of 92/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does ATOSS Software SE's Shiller PE Ratio compare to CRM and SHOP?
According to the Software industry distribution chart, ATOSS Software SE ranks #801 out of 1019 companies for Shiller PE Ratio. This places ATOSS Software SE in the lower half of its industry. The industry median Shiller PE Ratio is 27.16. ATOSS Software SE's value of 58.34 is 114.8% above this benchmark. Historically, ATOSS Software SE's own Shiller PE Ratio has ranged from 40.29 to 187.93 over the past decade. While the company's 10-year median is 88.64 vs. the industry median of 27.16, ATOSS Software SE 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 Shiller PE Ratio for a Software company?
The median Shiller PE Ratio among Software companies is 27.16, based on 1,019 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. ATOSS Software SE's current Shiller PE Ratio of 58.34 is 114.8% 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 Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on ATOSS Software SE and its competitors. For the Software industry, the median Shiller PE Ratio is 27.16 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ATOSS Software SE's current Shiller PE Ratio is 58.34, which is 34% below median its own 10-year median of 88.64. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ATOSS Software SE stock overvalued right now?
Based on GuruFocus' analysis, ATOSS Software SE (FRA:AOF) is currently considered Significantly Undervalued. The stock's GF Value™ is €151.06, compared to a current price of €91.60 — trading 39.4% below its estimated fair value. The current Shiller PE Ratio is 58.34, which is 34% below median its 10-year median of 88.64 and 114.8% above the Software industry median of 27.16. ATOSS Software SE's overall GF Score™ is 92/100. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For ATOSS Software SE (FRA:AOF), the current Shiller PE Ratio is 58.34 as of Sep. 10, 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 ATOSS Software SE (FRA:AOF) Overvalued in 2026?
Based on GuruFocus' analysis, ATOSS Software SE stock appears to be undervalued.
The current stock price of €91.60 is trading 39.4% below its estimated GF Value™ of €151.06.
GuruFocus considers ATOSS Software SE to be Significantly Undervalued.
Key valuation signals for FRA:AOF:
Shiller PE Ratio: 58.34 (34% below median its 10-year median of 88.64)
GF Value™: €151.06 vs. price of €91.60 (39.4% below fair value)
Industry Position: 114.8% above the Software median (#801 of 1019)
No single metric tells the full story. See the FRA:AOF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
ATOSS Software SE supplies technical and consulting solutions for professional workforce management and demand-driven workforce deployment. From conventional working time management to mobile apps, detailed workforce forecasting, sophisticated workforce scheduling, or strategic capacity and demand schedules, the company offers its customers various solutions in the cloud or on-premises. It generates sales revenue from licensing software products to end-users or to resellers, from cloud subscriptions, maintenance contracts, consulting services, the sale of hardware, as well as from providing other goods and services.
92GF Score
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