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Iridium CommunicationsIRDM +0.84%75 Shiller PE Ratio is 139.44 as of Aug. 15, 2026, which is 48% above its 10-year median of 94.34. GuruFocus rates IRDM with a GF Score™ of 75/100 and a GF Value™ of $36.77 (Significantly Overvalued). The stock has 9 warning signs investors should review. Among 219 Telecommunication Services companies, Iridium Communications ranks worse than 94.98% on this metric.
The historical rank and industry rank for Iridium Communications's Shiller PE Ratio or its related term are showing as below:
IRDM'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 20.09 Med: 94.34 Max: 248.48
Current: 140.33
During the past years, Iridium Communications's highest Shiller PE Ratio was 248.48. The lowest was 20.09. And the median was 94.34.
IRDM's Shiller PE Ratio is ranked worse than 94.98% of 219
companies
in the Telecommunication Services industry
Industry Median: 17.39
vs IRDM: 140.33
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.
Iridium Communications's adjusted earnings per share data for the three months ended in Jun. 2026 was $0.090. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $0.36 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Iridium Communications (NAS:IRDM) 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.
Iridium Communications Shiller PE Ratio Related Terms
Iridium Communications Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Iridium Communications'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.
IRDM vs LBRDA, TDS, LBTYA: Shiller PE Ratio Comparison
For the Telecom Services subindustry, Iridium Communications'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.
Iridium Communications Shiller PE Ratio vs Telecommunication Services Industry
For the Telecommunication Services industry and Communication Services sector, Iridium Communications's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Iridium Communications's Shiller PE Ratio falls into.
Iridium Communications Shiller PE Ratio Calculation
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.
Iridium Communications (IRDM) has a Shiller PE Ratio of 139.44 as of Aug. 15, 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 Iridium Communications and its competitors. This is 48% above median its historical median of 94.34. Over the past decade, Iridium Communications' Shiller PE Ratio has ranged from 20.09 to 248.48. According to the industry distribution chart, Iridium Communications ranks #208 out of 219 companies in the Telecommunication Services industry, placing it in the top 95%.
Is Iridium Communications' Shiller PE Ratio too high?
Iridium Communications' current Shiller PE Ratio of 139.44 is 48% above median its 10-year median of 94.34. Over the past 10 years, this metric has ranged from a low of 20.09 to a high of 248.48. The Telecommunication Services industry median Shiller PE Ratio is 17.39. Iridium Communications' value of 139.44 is 701.8% above this industry median. Based on the distribution chart, Iridium Communications ranks #208 out of 219 companies in the Telecommunication Services industry, which is in the bottom quartile relative to peers. Overall, Iridium Communications has a GF Score™ of 75/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Iridium Communications' Shiller PE Ratio compare to LBRDA and TDS?
According to the Telecommunication Services industry distribution chart, Iridium Communications ranks #208 out of 219 companies for Shiller PE Ratio. This places Iridium Communications in the lower half of its industry. The industry median Shiller PE Ratio is 17.39. Iridium Communications' value of 139.44 is 701.8% above this benchmark. Historically, Iridium Communications' own Shiller PE Ratio has ranged from 20.09 to 248.48 over the past decade. While the company's 10-year median is 94.34 vs. the industry median of 17.39, Iridium Communications 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 17.39, based on 219 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. Iridium Communications's current Shiller PE Ratio of 139.44 is 701.8% 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 Iridium Communications and its competitors. For the Telecommunication Services industry, the median Shiller PE Ratio is 17.39 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Iridium Communications's current Shiller PE Ratio is 139.44, which is 48% above median its own 10-year median of 94.34. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Iridium Communications stock overvalued right now?
Based on GuruFocus' analysis, Iridium Communications (IRDM) is currently considered Significantly Overvalued. The stock's GF Value™ is $36.77, compared to a current price of $50.20 — trading 36.5% above its estimated fair value. The current Shiller PE Ratio is 139.44, which is 48% above median its 10-year median of 94.34 and 701.8% above the Telecommunication Services industry median of 17.39. Iridium Communications' overall GF Score™ is 75/100 with 9 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 Iridium Communications (IRDM), the current Shiller PE Ratio is 139.44 as of Aug. 15, 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 Iridium Communications (IRDM) Overvalued in 2026?
Based on GuruFocus' analysis, Iridium Communications stock appears to be overvalued.
The current stock price of $50.20 is trading 36.5% above its estimated GF Value™ of $36.77.
GuruFocus considers Iridium Communications to be Significantly Overvalued.
Key valuation signals for IRDM:
Shiller PE Ratio: 139.44 (48% above median its 10-year median of 94.34)
GF Value™: $36.77 vs. price of $50.20 (36.5% above fair value)
Industry Position: 701.8% above the Telecommunication Services median (#208 of 219)
No single metric tells the full story. See the IRDM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Iridium Communications Inc is the commercial provider of communications services offering true globalised coverage, connecting people, organizations, and assets to and from anywhere, in real time. The company is a provider of mobile voice and data communications services through a constellation of low-earth-orbiting satellites. Iridium's solutions are ideally suited for industries such as maritime, aviation, government/military, emergency/humanitarian services, mining, forestry, oil and gas, heavy equipment, transportation, and utilities. Iridium also provides service to subscribers from the U.S. Department of Defense, as well as other civil and government agencies world-wide. The Company operates in one business segment, providing satellite communications services and products.
75GF Score
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