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United Internet AGUDIRF 70 Shiller PE Ratio is 11.63 as of Sep. 14, 2026, which is 39% below its 10-year median of 18.93. GuruFocus rates UDIRF with a GF Score™ of 70/100 and a GF Value™ of $22.94. The stock has 8 warning signs investors should review. Among 221 Telecommunication Services companies, United Internet AG ranks better than 61.99% on this metric.
The historical rank and industry rank for United Internet AG's Shiller PE Ratio or its related term are showing as below:
UDIRF'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 5.83 Med: 18.93 Max: 43.53
Current: 14
During the past years, United Internet AG's highest Shiller PE Ratio was 43.53. The lowest was 5.83. And the median was 18.93.
UDIRF's Shiller PE Ratio is ranked better than 61.99% of 221
companies
in the Telecommunication Services industry
Industry Median: 17.42
vs UDIRF: 14.00
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.
United Internet AG's adjusted earnings per share data for the three months ended in Jun. 2026 was $0.438. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $2.35 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
United Internet AG (OTCPK:UDIRF) 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.
United Internet AG Shiller PE Ratio Related Terms
United Internet AG Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for United Internet AG'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.
For the Telecom Services subindustry, United Internet AG'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.
United Internet AG Shiller PE Ratio vs Telecommunication Services Industry
For the Telecommunication Services industry and Communication Services sector, United Internet AG's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where United Internet AG'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.
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.
United Internet AG (UDIRF) has a Shiller PE Ratio of 11.63 as of Sep. 14, 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 United Internet AG and its competitors. This is 39% below median its historical median of 18.93. Over the past decade, United Internet AG's Shiller PE Ratio has ranged from 5.83 to 43.53. According to the industry distribution chart, United Internet AG ranks #84 out of 221 companies in the Telecommunication Services industry, placing it in the top 38%.
Is United Internet AG's Shiller PE Ratio too high?
United Internet AG's current Shiller PE Ratio of 11.63 is 39% below median its 10-year median of 18.93. Over the past 10 years, this metric has ranged from a low of 5.83 to a high of 43.53. The Telecommunication Services industry median Shiller PE Ratio is 17.42. United Internet AG's value of 11.63 is 33.2% below this industry median. Based on the distribution chart, United Internet AG ranks #84 out of 221 companies in the Telecommunication Services industry, which is above the industry midpoint. Overall, United Internet AG has a GF Score™ of 70/100, reflecting its overall financial health beyond just this single metric.
How does United Internet AG's Shiller PE Ratio compare to VZ and TMUS?
According to the Telecommunication Services industry distribution chart, United Internet AG ranks #84 out of 221 companies for Shiller PE Ratio. This puts United Internet AG in the upper half of its industry. The industry median Shiller PE Ratio is 17.42. United Internet AG's value of 11.63 is 33.2% below this benchmark. Historically, United Internet AG's own Shiller PE Ratio has ranged from 5.83 to 43.53 over the past decade. While the company's 10-year median is 18.93 vs. the industry median of 17.42, United Internet AG 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 Shiller PE Ratio for a Telecommunication Services company?
The median Shiller PE Ratio among Telecommunication Services companies is 17.42, based on 221 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. United Internet AG's current Shiller PE Ratio of 11.63 is 33.2% 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 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 United Internet AG and its competitors. For the Telecommunication Services industry, the median Shiller PE Ratio is 17.42 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. United Internet AG's current Shiller PE Ratio is 11.63, which is 39% below median its own 10-year median of 18.93. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is United Internet AG stock overvalued right now?
United Internet AG (UDIRF) has a current Shiller PE Ratio of 11.63. The stock's GF Value™ is $22.94, compared to a current price of $27.34 — trading 19.2% above its estimated fair value. The current Shiller PE Ratio is 11.63, which is 39% below median its 10-year median of 18.93 and 33.2% below the Telecommunication Services industry median of 17.42. United Internet AG's overall GF Score™ is 70/100 with 8 warning signs to review. 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 United Internet AG (UDIRF), the current Shiller PE Ratio is 11.63 as of Sep. 14, 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 United Internet AG (UDIRF) Overvalued in 2026?
Based on GuruFocus' analysis, United Internet AG stock appears to be overvalued.
The current stock price of $27.34 is trading 19.2% above its estimated GF Value™ of $22.94.
Key valuation signals for UDIRF:
Shiller PE Ratio: 11.63 (39% below median its 10-year median of 18.93)
GF Value™: $22.94 vs. price of $27.34 (19.2% above fair value)
Industry Position: 33.2% below the Telecommunication Services median (#84 of 221)
No single metric tells the full story. See the UDIRF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
United Internet AG is a telecommunications provider that operates through two business divisions: Access and Applications, which in turn are divided into the segments Consumer Access and Business Access and Consumer Applications and Business Applications. The Consumer Access segment which generates the majority of the revenue for the company comprises mobile internet products as well as landline-based broadband products (including the respective applications, such as home networks, online storage, telephony, Smart Home, IPTV, and video-on-demand) and mobile internet products. The company also provides a wide range of telecommunication products and services to companies and local authorities.
70GF Score
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