Iridium CommunicationsIRDM -3.54%69 Cyclically Adjusted PB Ratio is 4.28 as of Jul. 05, 2026, which is 106% above its 10-year median of 2.08. GuruFocus rates IRDM with a GF Scoreâ„¢ of 69/100 and a GF Valueâ„¢ of $36.49 (Significantly Overvalued). The stock has 11 warning signs investors should review. Among 290 Telecommunication Services companies, Iridium Communications ranks worse than 83.1% on this metric.
The historical rank and industry rank for Iridium Communications's Cyclically Adjusted PB Ratio or its related term are showing as below:
IRDM'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.9 Med: 2.08 Max: 4.57
Current: 4.28
During the past years, Iridium Communications's highest Cyclically Adjusted PB Ratio was 4.57. The lowest was 0.90. And the median was 2.08.
IRDM's Cyclically Adjusted PB Ratio is ranked worse than 83.1% of 290
companies
in the Telecommunication Services industry
Industry Median: 1.82
vs IRDM: 4.28
The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.
Iridium Communications's adjusted book value per share data for the three months ended in Mar. 2026 was $4.430. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $12.56 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Iridium Communications (NAS:IRDM) Cyclically Adjusted PB Ratio Explanation
Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.
Iridium Communications Cyclically Adjusted PB Ratio Related Terms
Iridium Communications Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Iridium Communications's Cyclically Adjusted PB 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.
Iridium Communications Cyclically Adjusted PB Ratio Chart
IRDM vs LBRDA, TDS, LBTYA: Cyclically Adjusted PB Ratio Comparison
For the Telecom Services subindustry, Iridium Communications's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted 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.
Iridium Communications Cyclically Adjusted PB Ratio vs Telecommunication Services Industry
For the Telecommunication Services industry and Communication Services sector, Iridium Communications's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Iridium Communications's Cyclically Adjusted PB Ratio falls into.
Iridium Communications Cyclically Adjusted PB Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.
* 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.
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.
What does a Cyclically Adjusted PB Ratio of 4.28 mean?
Iridium Communications (IRDM) has a Cyclically Adjusted PB Ratio of 4.28 as of Jul. 05, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Iridium Communications and its competitors. This is 106% above median its historical median of 2.08. Over the past decade, Iridium Communications' Cyclically Adjusted PB Ratio has ranged from 0.90 to 4.57. According to the industry distribution chart, Iridium Communications ranks #241 out of 290 companies in the Telecommunication Services industry, placing it in the top 83.1%.
Is Iridium Communications' Cyclically Adjusted PB Ratio too high?
Iridium Communications' current Cyclically Adjusted PB Ratio of 4.28 is 106% above median its 10-year median of 2.08. Over the past 10 years, this metric has ranged from a low of 0.90 to a high of 4.57. The Telecommunication Services industry median Cyclically Adjusted PB Ratio is 1.82. Iridium Communications' value of 4.28 is 135.2% above this industry median. Based on the distribution chart, Iridium Communications ranks #241 out of 290 companies in the Telecommunication Services industry, which is in the bottom quartile relative to peers. Overall, Iridium Communications has a GF Scoreâ„¢ of 69/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Iridium Communications' Cyclically Adjusted PB Ratio compare to LBRDA and TDS?
According to the Telecommunication Services industry distribution chart, Iridium Communications ranks #241 out of 290 companies for Cyclically Adjusted PB Ratio. This places Iridium Communications in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.82. Iridium Communications' value of 4.28 is 135.2% above this benchmark. Historically, Iridium Communications' own Cyclically Adjusted PB Ratio has ranged from 0.90 to 4.57 over the past decade. While the company's 10-year median is 2.08 vs. the industry median of 1.82, 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 Cyclically Adjusted PB Ratio for a Telecommunication Services company?
The median Cyclically Adjusted PB Ratio among Telecommunication Services companies is 1.82, based on 290 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Iridium Communications's current Cyclically Adjusted PB Ratio of 4.28 is 135.2% 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Iridium Communications and its competitors. For the Telecommunication Services industry, the median Cyclically Adjusted PB Ratio is 1.82 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Iridium Communications's current Cyclically Adjusted PB Ratio is 4.28, which is 106% above median its own 10-year median of 2.08. 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 $36.49, compared to a current price of $53.75 — trading 47.3% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 4.28, which is 106% above median its 10-year median of 2.08 and 135.2% above the Telecommunication Services industry median of 1.82. Iridium Communications' overall GF Score™ is 69/100 with 11 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Iridium Communications (IRDM), the current Cyclically Adjusted PB Ratio is 4.28 as of Jul. 05, 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 $53.75 is trading 47.3% above its estimated GF Value™ of $36.49.
GuruFocus considers Iridium Communications to be Significantly Overvalued.
Key valuation signals for IRDM:
Cyclically Adjusted PB Ratio: 4.28 (106% above median its 10-year median of 2.08)
GF Value™: $36.49 vs. price of $53.75 (47.3% above fair value)
Industry Position: 135.2% above the Telecommunication Services median (#241 of 290)
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.
69GF Score
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