T-Mobile US (XSWX:TMUS) Cyclically Adjusted PB Ratio: 3.15 (As of Sep. 15, 2026) — 18% Below Median

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XSWX:TMUS T-Mobile US Inc XSWX:TMUS
78 GF Score
Price CHF149.14
GF Value CHF188.61
! 1 Warning Sign
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What is T-Mobile US Cyclically Adjusted PB Ratio?

T-Mobile US XSWX:TMUS 78 Cyclically Adjusted PB Ratio is 3.15 as of Sep. 15, 2026, which is 18% below its 10-year median of 3.82. GuruFocus rates XSWX:TMUS with a GF Score™ of 78/100 and a GF Value™ of CHF188.61. The stock has 1 warning sign investors should review. Among 288 Telecommunication Services companies, T-Mobile US ranks worse than 77.08% on this metric.

As of today (2026-09-15), T-Mobile US's current share price is CHF149.14. T-Mobile US's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was CHF47.42. T-Mobile US's Cyclically Adjusted PB Ratio for today is 3.15.

The historical rank and industry rank for T-Mobile US's Cyclically Adjusted PB Ratio or its related term are showing as below:

XSWX:TMUS' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 2.75   Med: 3.82   Max: 5.99
Current: 3.52

During the past years, T-Mobile US's highest Cyclically Adjusted PB Ratio was 5.99. The lowest was 2.75. And the median was 3.82.

XSWX:TMUS's Cyclically Adjusted PB Ratio is ranked worse than
77.08% of 288 companies
in the Telecommunication Services industry
Industry Median: 1.74 vs XSWX:TMUS: 3.52

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.

T-Mobile US's adjusted book value per share data for the three months ended in Jun. 2026 was CHF42.227. 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 CHF47.42 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


T-Mobile US  (XSWX:TMUS) 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.


T-Mobile US Cyclically Adjusted PB Ratio Related Terms


T-Mobile US Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for T-Mobile US'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.

T-Mobile US Cyclically Adjusted PB Ratio Chart

T-Mobile US 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 2.56 3.85 3.49 3.21 3.03

T-Mobile US 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 3.11 3.06 3.04 3.64 2.87

XSWX:TMUS vs VZ, T, CMCSA: Cyclically Adjusted PB Ratio Comparison

For the Telecom Services subindustry, T-Mobile US'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.


T-Mobile US Cyclically Adjusted PB Ratio vs Telecommunication Services Industry

For the Telecommunication Services industry and Communication Services sector, T-Mobile US's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where T-Mobile US's Cyclically Adjusted PB Ratio falls into.


XSWX:TMUS
78GF Score
T-Mobile US Inc XSWX:TMUS
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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T-Mobile US 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.

T-Mobile US's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=149.14/47.416
=3.15

* 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.

T-Mobile US's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, T-Mobile US'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)
=42.227/333.9520*333.9520
=42.227

Current CPI (Jun. 2026) = 333.9520.

T-Mobile US Quarterly Data

Book Value per Share CPI Adj_Book
201609 20.964 241.428 28.998
201612 22.387 241.432 30.966
201703 22.804 243.801 31.236
201706 22.561 244.955 30.758
201709 23.539 246.819 31.849
201712 25.533 246.524 34.588
201803 25.632 249.554 34.301
201806 27.362 251.989 36.262
201809 27.990 252.439 37.028
201812 28.608 251.233 38.027
201903 30.461 254.202 40.017
201906 30.715 256.143 40.045
201909 32.307 256.759 42.020
201912 32.473 256.974 42.200
202003 32.498 258.115 42.046
202006 48.242 257.797 62.493
202009 47.763 260.280 61.282
202012 46.514 260.474 59.635
202103 50.106 264.877 63.173
202106 49.976 271.696 61.427
202109 51.105 274.310 62.217
202112 50.402 278.802 60.372
202203 51.379 287.504 59.680
202206 53.466 296.311 60.258
202209 55.231 296.808 62.143
202212 52.227 296.797 58.765
202303 50.751 301.836 56.151
202306 49.833 305.109 54.544
202309 50.935 307.789 55.265
202312 45.549 306.746 49.589
202403 47.492 312.332 50.779
202406 48.240 314.175 51.277
202409 46.537 315.301 49.290
202412 48.885 315.605 51.727
202503 47.534 319.799 49.638
202506 43.143 322.561 44.667
202509 43.020 324.800 44.232
202512 42.373 324.054 43.667
202603 41.351 330.213 41.819
202606 42.227 333.952 42.227

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 3.15 mean?
T-Mobile US (XSWX:TMUS) has a Cyclically Adjusted PB Ratio of 3.15 as of Sep. 15, 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 T-Mobile US and its competitors. This is 18% below median its historical median of 3.82. Over the past decade, T-Mobile US's Cyclically Adjusted PB Ratio has ranged from 2.75 to 5.99. According to the industry distribution chart, T-Mobile US ranks #222 out of 288 companies in the Telecommunication Services industry, placing it in the top 77.1%.
Is T-Mobile US's Cyclically Adjusted PB Ratio too high?
T-Mobile US's current Cyclically Adjusted PB Ratio of 3.15 is 18% below median its 10-year median of 3.82. Over the past 10 years, this metric has ranged from a low of 2.75 to a high of 5.99. The Telecommunication Services industry median Cyclically Adjusted PB Ratio is 1.74. T-Mobile US's value of 3.15 is 81% above this industry median. Based on the distribution chart, T-Mobile US ranks #222 out of 288 companies in the Telecommunication Services industry, which is in the bottom quartile relative to peers. Overall, T-Mobile US has a GF Score™ of 78/100, reflecting its overall financial health beyond just this single metric.
How does T-Mobile US's Cyclically Adjusted PB Ratio compare to VZ and T?
According to the Telecommunication Services industry distribution chart, T-Mobile US ranks #222 out of 288 companies for Cyclically Adjusted PB Ratio. This places T-Mobile US in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.74. T-Mobile US's value of 3.15 is 81% above this benchmark. Historically, T-Mobile US's own Cyclically Adjusted PB Ratio has ranged from 2.75 to 5.99 over the past decade. While the company's 10-year median is 3.82 vs. the industry median of 1.74, T-Mobile US 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 1.74, 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. T-Mobile US's current Cyclically Adjusted PB Ratio of 3.15 is 81% 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 T-Mobile US and its competitors. For the Telecommunication Services industry, the median Cyclically Adjusted PB Ratio is 1.74 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. T-Mobile US's current Cyclically Adjusted PB Ratio is 3.15, which is 18% below median its own 10-year median of 3.82. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is T-Mobile US stock overvalued right now?
T-Mobile US (XSWX:TMUS) has a current Cyclically Adjusted PB Ratio of 3.15. The stock's GF Value™ is CHF188.61, compared to a current price of CHF149.14 — trading 20.9% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 3.15, which is 18% below median its 10-year median of 3.82 and 81% above the Telecommunication Services industry median of 1.74. T-Mobile US's overall GF Score™ is 78/100 with 1 warning sign 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 T-Mobile US (XSWX:TMUS), the current Cyclically Adjusted PB Ratio is 3.15 as of Sep. 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 T-Mobile US (XSWX:TMUS) Overvalued in 2026?

Based on GuruFocus' analysis, T-Mobile US stock appears to be undervalued. The current stock price of CHF149.14 is trading 20.9% below its estimated GF Value™ of CHF188.61.

Key valuation signals for XSWX:TMUS:

  • Cyclically Adjusted PB Ratio: 3.15 (18% below median its 10-year median of 3.82)
  • GF Value™: CHF188.61 vs. price of CHF149.14 (20.9% below fair value)
  • GF Score™: 78/100 with 1 warning sign
  • Industry Position: 81% above the Telecommunication Services median (#222 of 288)

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


T-Mobile US Business Description

Address 12920 SE 38th Street, Bellevue, WA, USA, 98006-1350
Deutsche Telekom merged its T-Mobile USA unit with prepaid specialist MetroPCS in 2013, and that firm merged with Sprint in 2020, creating the second-largest wireless carrier in the US. T-Mobile now serves about 86 million postpaid and 26 million prepaid phone customers, equal to around 30% of the US retail wireless market. The firm entered the fixed-wireless broadband market aggressively in 2021 and now serves 8 million residential and business customers with its wireless network. It also serves 1 million fiber broadband customers through joint ventures with fiber network owners. T-Mobile owns a stake in these firms, which provide wholesale access to their networks. In addition, T-Mobile provides wholesale services to wireless resellers.
78GF Score

Get the complete analysis for XSWX:TMUS

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

CHF149.14
Price
CHF188.61
GF Value