T-Mobile US (XSWX:TMUS) 3-Year Book Growth Rate: -1.80% (As of Jun. 2026)

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Director of Data and Quant Analytics at GuruFocus
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Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

XSWX:TMUS T-Mobile US Inc XSWX:TMUS
78 GF Score
Price CHF141.76
GF Value CHF186.41
! 2 Warning Signs
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What is T-Mobile US 3-Year Book Growth Rate?

T-Mobile US XSWX:TMUS -1.57% 78 3-Year Book Growth Rate is -1.80% as of Jun. 2026. GuruFocus rates XSWX:TMUS with a GF Score™ of 78/100 and a GF Value™ of CHF186.41. The stock has 2 warning signs investors should review. Among 339 Telecommunication Services companies, T-Mobile US ranks worse than 70.8% on this metric.

T-Mobile US's Book Value per Share for the quarter that ended in Jun. 2026 was CHF41.84.

During the past 12 months, T-Mobile US's average Book Value per Share Growth Rate was -3.40% per year. During the past 3 years, the average Book Value per Share Growth Rate was -1.80% per year. During the past 5 years, the average Book Value per Share Growth Rate was -0.10% per year. During the past 10 years, the average Book Value per Share Growth Rate was 12.00% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.

During the past 13 years, the highest 3-Year average Book Value per Share Growth Rate of T-Mobile US was 117.20% per year. The lowest was -15.50% per year. And the median was 12.80% per year.


T-Mobile US  (XSWX:TMUS) 3-Year Book Growth Rate Explanation

Book Value per Share is the ratio of equity available to common shareholders divided by the shares outstanding. Book value per share effectively indicates a firm's net asset value on a per-share basis. It can be used by investors to gauge whether a stock price is undervalued by comparing it to the firm's market value per share. Theoretically, it is what the shareholders will receive if the company is liquidated.


T-Mobile US 3-Year Book Growth Rate Related Terms


XSWX:TMUS vs VZ, T, CMCSA: 3-Year Book Growth Rate Comparison

For the Telecom Services subindustry, T-Mobile US's 3-Year Book Growth Rate, along with its competitors' market caps and 3-Year Book Growth Rate 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 3-Year Book Growth Rate vs Telecommunication Services Industry

For the Telecommunication Services industry and Communication Services sector, T-Mobile US's 3-Year Book Growth Rate distribution charts can be found below:

* The bar in red indicates where T-Mobile US's 3-Year Book Growth Rate falls into.


XSWX:TMUS
78GF Score
T-Mobile US Inc XSWX:TMUS
3-Year Book Growth Rate is just one metric. See GF Score™, valuation, warning signs, and more.
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T-Mobile US 3-Year Book Growth Rate Calculation

This is the 3-year average growth rate of Book Value per Share. The growth rate is calculated using exponential compounding based on the latest four year annual data.

Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.

What does a 3-Year Book Growth Rate of -1.80% mean?
T-Mobile US (XSWX:TMUS) has a 3-Year Book Growth Rate of -1.80% as of Jun. 2026. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for T-Mobile US and its competitors. According to the industry distribution chart, T-Mobile US ranks #240 out of 339 companies in the Telecommunication Services industry, placing it in the top 70.8%.
Is T-Mobile US's 3-Year Book Growth Rate too high?
T-Mobile US's current 3-Year Book Growth Rate is -1.80%. Based on the distribution chart, T-Mobile US ranks #240 out of 339 companies in the Telecommunication Services industry, which is below the industry midpoint. 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 3-Year Book Growth Rate compare to VZ and T?
According to the Telecommunication Services industry distribution chart, T-Mobile US ranks #240 out of 339 companies for 3-Year Book Growth Rate. This places T-Mobile US in the lower half of its industry. The industry median 3-Year Book Growth Rate is 3.20. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Book Growth Rate for a Telecommunication Services company?
The median 3-Year Book Growth Rate among Telecommunication Services companies is 3.20, based on 339 companies in the industry. Companies in the top quartile (top 25%) have a 3-Year Book Growth Rate significantly above this median, while those in the bottom quartile fall well below. However, 3-Year Book Growth Rate should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 3-Year Book Growth Rate mean?
A high 3-Year Book Growth Rate can signal that a stock is expensive relative to its fundamentals. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for T-Mobile US and its competitors. For the Telecommunication Services industry, the median 3-Year Book Growth Rate is 3.20 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. T-Mobile US's current 3-Year Book Growth Rate is -1.80%. 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 3-Year Book Growth Rate of -1.80%. The stock's GF Value™ is CHF186.41, compared to a current price of CHF141.76 — trading 24% below its estimated fair value. The current 3-Year Book Growth Rate is -1.80%. T-Mobile US's overall GF Score™ is 78/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Book Growth Rate calculated?
3-Year Book Growth Rate is calculated from a company's financial statements. For T-Mobile US (XSWX:TMUS), the current 3-Year Book Growth Rate is -1.80% as of Jun. 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 CHF141.76 is trading 24% below its estimated GF Value™ of CHF186.41.

Key valuation signals for XSWX:TMUS:

  • 3-Year Book Growth Rate: -1.80%
  • GF Value™: CHF186.41 vs. price of CHF141.76 (24% below fair value)
  • GF Score™: 78/100 with 2 warning signs

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

3-Year Book Growth Rate is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

CHF141.76
Price
CHF186.41
GF Value