Millicom International Cellular (STU:M4M1) Cyclically Adjusted PB Ratio: 3.75 (As of Aug. 22, 2026) — 155% Above Median

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STU:M4M1 Millicom International Cellular SA STU:M4M1
61 GF Score
Price €80.00
GF Value €31.83
Valuation Significantly Overvalued
! 10 Warning Signs
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What is Millicom International Cellular Cyclically Adjusted PB Ratio?

Millicom International Cellular STU:M4M1 +3.90% 61 Cyclically Adjusted PB Ratio is 3.75 as of Aug. 22, 2026, which is 155% above its 10-year median of 1.47. GuruFocus rates STU:M4M1 with a GF Score™ of 61/100 and a GF Value™ of €31.83 (Significantly Overvalued). The stock has 10 warning signs investors should review. Among 288 Telecommunication Services companies, Millicom International Cellular ranks worse than 78.82% on this metric.

As of today (2026-08-22), Millicom International Cellular's current share price is €80.00. Millicom International Cellular's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was €21.31. Millicom International Cellular's Cyclically Adjusted PB Ratio for today is 3.75.

The historical rank and industry rank for Millicom International Cellular's Cyclically Adjusted PB Ratio or its related term are showing as below:

STU:M4M1' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.46   Med: 1.47   Max: 4.02
Current: 3.83

During the past years, Millicom International Cellular's highest Cyclically Adjusted PB Ratio was 4.02. The lowest was 0.46. And the median was 1.47.

STU:M4M1's Cyclically Adjusted PB Ratio is ranked worse than
78.82% of 288 companies
in the Telecommunication Services industry
Industry Median: 1.775 vs STU:M4M1: 3.83

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.

Millicom International Cellular's adjusted book value per share data for the three months ended in Jun. 2026 was €12.706. 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 €21.31 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Millicom International Cellular  (STU:M4M1) 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.


Millicom International Cellular Cyclically Adjusted PB Ratio Related Terms


Millicom International Cellular Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Millicom International Cellular'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.

Millicom International Cellular Cyclically Adjusted PB Ratio Chart

Millicom International Cellular Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.01 0.54 0.74 1.02 2.24

Millicom International Cellular Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 1.50 1.93 2.24 3.03 3.71

STU:M4M1 vs CHTR, GSAT, LUMN: Cyclically Adjusted PB Ratio Comparison

For the Telecom Services subindustry, Millicom International Cellular'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.


Millicom International Cellular Cyclically Adjusted PB Ratio vs Telecommunication Services Industry

For the Telecommunication Services industry and Communication Services sector, Millicom International Cellular's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Millicom International Cellular's Cyclically Adjusted PB Ratio falls into.


STU:M4M1
61GF Score
Millicom International Cellular SA STU:M4M1
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Millicom International Cellular 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.

Millicom International Cellular's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=80.00/21.31
=3.75

* 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.

Millicom International Cellular's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, Millicom International Cellular's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=12.706/333.9520*333.9520
=12.706

Current CPI (Jun. 2026) = 333.9520.

Millicom International Cellular Quarterly Data

Book Value per Share CPI Adj_Book
201609 23.472 241.428 32.467
201612 23.490 241.432 32.492
201703 23.488 243.801 32.173
201706 20.256 244.955 27.615
201709 19.364 246.819 26.200
201712 20.427 246.524 27.671
201803 20.194 249.554 27.024
201806 19.138 251.989 25.363
201809 19.460 252.439 25.744
201812 17.398 251.233 23.126
201903 17.595 254.202 23.115
201906 16.098 256.143 20.988
201909 15.308 256.759 19.910
201912 16.833 256.974 21.875
202003 15.359 258.115 19.872
202006 14.511 257.797 18.798
202009 13.559 260.280 17.397
202012 13.128 260.474 16.831
202103 13.360 264.877 16.844
202106 12.749 271.696 15.670
202109 13.012 274.310 15.841
202112 17.910 278.802 21.453
202203 18.682 287.504 21.700
202206 19.843 296.311 22.364
202209 20.904 296.808 23.520
202212 19.915 296.797 22.408
202303 19.820 301.836 21.929
202306 19.522 305.109 21.367
202309 19.873 307.789 21.562
202312 18.845 306.746 20.516
202403 19.341 312.332 20.680
202406 19.946 314.175 21.202
202409 19.996 315.301 21.179
202412 20.352 315.605 21.535
202503 18.769 319.799 19.600
202506 18.359 322.561 19.007
202509 17.047 324.800 17.527
202512 18.604 324.054 19.172
202603 16.196 330.213 16.379
202606 12.706 333.952 12.706

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

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 3.75 mean?
Millicom International Cellular (STU:M4M1) has a Cyclically Adjusted PB Ratio of 3.75 as of Aug. 22, 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 Millicom International Cellular and its competitors. This is 155% above median its historical median of 1.47. Over the past decade, Millicom International Cellular's Cyclically Adjusted PB Ratio has ranged from 0.46 to 4.02. According to the industry distribution chart, Millicom International Cellular ranks #227 out of 288 companies in the Telecommunication Services industry, placing it in the top 78.8%.
Is Millicom International Cellular's Cyclically Adjusted PB Ratio too high?
Millicom International Cellular's current Cyclically Adjusted PB Ratio of 3.75 is 155% above median its 10-year median of 1.47. Over the past 10 years, this metric has ranged from a low of 0.46 to a high of 4.02. The Telecommunication Services industry median Cyclically Adjusted PB Ratio is 1.78. Millicom International Cellular's value of 3.75 is 111.3% above this industry median. Based on the distribution chart, Millicom International Cellular ranks #227 out of 288 companies in the Telecommunication Services industry, which is in the bottom quartile relative to peers. Overall, Millicom International Cellular has a GF Score™ of 61/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Millicom International Cellular's Cyclically Adjusted PB Ratio compare to CHTR and GSAT?
According to the Telecommunication Services industry distribution chart, Millicom International Cellular ranks #227 out of 288 companies for Cyclically Adjusted PB Ratio. This places Millicom International Cellular in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.78. Millicom International Cellular's value of 3.75 is 111.3% above this benchmark. Historically, Millicom International Cellular's own Cyclically Adjusted PB Ratio has ranged from 0.46 to 4.02 over the past decade. While the company's 10-year median is 1.47 vs. the industry median of 1.78, Millicom International Cellular 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 1.78, based on 288 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. Millicom International Cellular's current Cyclically Adjusted PB Ratio of 3.75 is 111.3% 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 Millicom International Cellular and its competitors. For the Telecommunication Services industry, the median Cyclically Adjusted PB Ratio is 1.78 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Millicom International Cellular's current Cyclically Adjusted PB Ratio is 3.75, which is 155% above median its own 10-year median of 1.47. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Millicom International Cellular stock overvalued right now?
Based on GuruFocus' analysis, Millicom International Cellular (STU:M4M1) is currently considered Significantly Overvalued. The stock's GF Value™ is €31.83, compared to a current price of €80.00 — trading 151.3% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 3.75, which is 155% above median its 10-year median of 1.47 and 111.3% above the Telecommunication Services industry median of 1.78. Millicom International Cellular's overall GF Score™ is 61/100 with 10 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 Millicom International Cellular (STU:M4M1), the current Cyclically Adjusted PB Ratio is 3.75 as of Aug. 22, 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 Millicom International Cellular (STU:M4M1) Overvalued in 2026?

Based on GuruFocus' analysis, Millicom International Cellular stock appears to be overvalued. The current stock price of €80.00 is trading 151.3% above its estimated GF Value™ of €31.83. GuruFocus considers Millicom International Cellular to be Significantly Overvalued.

Key valuation signals for STU:M4M1:

  • Cyclically Adjusted PB Ratio: 3.75 (155% above median its 10-year median of 1.47)
  • GF Value™: €31.83 vs. price of €80.00 (151.3% above fair value)
  • GF Score™: 61/100 with 10 warning signs
  • Industry Position: 111.3% above the Telecommunication Services median (#227 of 288)

No single metric tells the full story. See the STU:M4M1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Millicom International Cellular Business Description

Other Exchanges TIGO:USAM4M1:Germany
Address 8400 NW 36th Street, Suite 530, Doral, FL, USA, 33166
Millicom offers wireless and fixed-line telecom services primarily in smaller, less developed countries in Latin America. Countries served include Bolivia, Nicaragua, Panama, El Salvador, Guatemala, Paraguay, Colombia, Ecuador, Uruguay, and Honduras (67% but not controlled or consolidated in the firm's financial statements). The firm's wireless networks cover about 145 million people, serving nearly 60 million customers. Its fixed-line networks reach 22 million homes, serving about 5.6 million broadband customers. Increasingly, Millicom offers converged packages that include broadband with wireless services. The firm also formed a joint venture to acquire Telefónica's operations in Chile.
61GF Score

Get the complete analysis for STU:M4M1

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€80.00
Price
€31.83
GF Value