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Deutsche Telekom AGXSWX:DTE 71 Shiller PE Ratio is 18.32 as of Sep. 14, 2026, which is 51% below its 10-year median of 37.05. GuruFocus rates XSWX:DTE with a GF Score™ of 71/100 and a GF Value™ of CHF26.81. The stock has 2 warning signs investors should review. Among 221 Telecommunication Services companies, Deutsche Telekom AG ranks worse than 53.39% on this metric.
The historical rank and industry rank for Deutsche Telekom AG's Shiller PE Ratio or its related term are showing as below:
XSWX:DTE'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 15.79 Med: 37.05 Max: 81.41
Current: 18.57
During the past years, Deutsche Telekom AG's highest Shiller PE Ratio was 81.41. The lowest was 15.79. And the median was 37.05.
XSWX:DTE's Shiller PE Ratio is ranked worse than 53.39% of 221
companies
in the Telecommunication Services industry
Industry Median: 17.42
vs XSWX:DTE: 18.57
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.
Deutsche Telekom AG's adjusted earnings per share data for the three months ended in Jun. 2026 was CHF0.470. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is CHF1.45 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Deutsche Telekom AG (XSWX:DTE) 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.
Deutsche Telekom AG Shiller PE Ratio Related Terms
Deutsche Telekom AG Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Deutsche Telekom 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.
XSWX:DTE vs VZ, TMUS, T: Shiller PE Ratio Comparison
For the Telecom Services subindustry, Deutsche Telekom 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.
Deutsche Telekom AG Shiller PE Ratio vs Telecommunication Services Industry
For the Telecommunication Services industry and Communication Services sector, Deutsche Telekom AG's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Deutsche Telekom 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.
Deutsche Telekom AG (XSWX:DTE) has a Shiller PE Ratio of 18.32 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 Deutsche Telekom AG and its competitors. This is 51% below median its historical median of 37.05. Over the past decade, Deutsche Telekom AG's Shiller PE Ratio has ranged from 15.79 to 81.41. According to the industry distribution chart, Deutsche Telekom AG ranks #118 out of 221 companies in the Telecommunication Services industry, placing it in the top 53.4%.
Is Deutsche Telekom AG's Shiller PE Ratio too high?
Deutsche Telekom AG's current Shiller PE Ratio of 18.32 is 51% below median its 10-year median of 37.05. Over the past 10 years, this metric has ranged from a low of 15.79 to a high of 81.41. The Telecommunication Services industry median Shiller PE Ratio is 17.42. Deutsche Telekom AG's value of 18.32 is 5.2% above this industry median. Based on the distribution chart, Deutsche Telekom AG ranks #118 out of 221 companies in the Telecommunication Services industry, which is below the industry midpoint. Overall, Deutsche Telekom AG has a GF Score™ of 71/100, reflecting its overall financial health beyond just this single metric.
How does Deutsche Telekom AG's Shiller PE Ratio compare to VZ and TMUS?
According to the Telecommunication Services industry distribution chart, Deutsche Telekom AG ranks #118 out of 221 companies for Shiller PE Ratio. This places Deutsche Telekom AG in the lower half of its industry. The industry median Shiller PE Ratio is 17.42. Deutsche Telekom AG's value of 18.32 is 5.2% above this benchmark. Historically, Deutsche Telekom AG's own Shiller PE Ratio has ranged from 15.79 to 81.41 over the past decade. While the company's 10-year median is 37.05 vs. the industry median of 17.42, Deutsche Telekom AG 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 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. Deutsche Telekom AG's current Shiller PE Ratio of 18.32 is 5.2% 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 Deutsche Telekom 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. Deutsche Telekom AG's current Shiller PE Ratio is 18.32, which is 51% below median its own 10-year median of 37.05. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Deutsche Telekom AG stock overvalued right now?
Deutsche Telekom AG (XSWX:DTE) has a current Shiller PE Ratio of 18.32. The stock's GF Value™ is CHF26.81, compared to a current price of CHF26.56 — trading 0.9% below its estimated fair value. The current Shiller PE Ratio is 18.32, which is 51% below median its 10-year median of 37.05 and 5.2% above the Telecommunication Services industry median of 17.42. Deutsche Telekom AG's overall GF Score™ is 71/100 with 2 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 Deutsche Telekom AG (XSWX:DTE), the current Shiller PE Ratio is 18.32 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 Deutsche Telekom AG (XSWX:DTE) Overvalued in 2026?
Based on GuruFocus' analysis, Deutsche Telekom AG stock appears to be undervalued.
The current stock price of CHF26.56 is trading 0.9% below its estimated GF Value™ of CHF26.81.
Key valuation signals for XSWX:DTE:
Shiller PE Ratio: 18.32 (51% below median its 10-year median of 37.05)
GF Value™: CHF26.81 vs. price of CHF26.56 (0.9% below fair value)
Industry Position: 5.2% above the Telecommunication Services median (#118 of 221)
No single metric tells the full story. See the XSWX:DTE stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Deutsche Telekom is Germany's incumbent telecom operator and remains the dominant player in mobile and fixed markets. It also owns a controlling stake in T-Mobile US—one of three primary wireless carriers in the United States—which merged with Sprint in 2020, consolidating the market from four to three operators. Aside from its two core markets, Deutsche Telekom operates in several Central European countries and holds an IT arm (Systems Solutions).
71GF Score
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