T-Mobile US (XSWX:TMUS) 10-Year Sharpe Ratio: N/A (As of Sep. 05, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
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 CHF147.74
GF Value CHF186.88
! 1 Warning Sign
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What is T-Mobile US 10-Year Sharpe Ratio?

The 10-Year Sharpe Ratio measures the additional return that an investor receives per unit of increase in risk over the past ten years. As of today (2026-09-05), T-Mobile US's 10-Year Sharpe Ratio is Not available.


T-Mobile US  (XSWX:TMUS) 10-Year Sharpe Ratio Explanation

The 10-Year Sharpe Ratio inidicates the risk-adjusted return of an investment over the past ten years. It is calculated as the annualized result of the average ten-year monthly excess returns divided by its standard deviation in the ten-year period. The monthly excess return is the monthly investment return minus the monthly risk-free rate (typically the 10-year Treasury Constant Maturity Rate). If the risk-free rate for a specific region is not available, U.S. data is used by default.

The greater a portfolio's Sharpe Ratio, the better its risk-adjusted performance. A negative Sharpe Ratio means the risk-free rate is greater than the portfolio’s historical or projected return, or else the portfolio's return is expected to be negative.


T-Mobile US 10-Year Sharpe Ratio Related Terms


XSWX:TMUS vs VZ, T, CMCSA: 10-Year Sharpe Ratio Comparison

For the Telecom Services subindustry, T-Mobile US's 10-Year Sharpe Ratio, along with its competitors' market caps and 10-Year Sharpe 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 10-Year Sharpe Ratio vs Telecommunication Services Industry

For the Telecommunication Services industry and Communication Services sector, T-Mobile US's 10-Year Sharpe Ratio distribution charts can be found below:

* The bar in red indicates where T-Mobile US's 10-Year Sharpe Ratio falls into.


XSWX:TMUS
78GF Score
T-Mobile US Inc XSWX:TMUS
10-Year Sharpe Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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T-Mobile US 10-Year Sharpe Ratio Calculation

The 10-Year Sharpe Ratio measures the performance of an investment such as a stock or portfolio compared to a risk-free asset in the last ten years. A stock / portfolio's 10-Year Sharpe Ratio can be calculated by dividing the difference between the ten-year average monthly returns of the investment and the risk-free rate, by the standard deviation of the investment returns over the past ten years.

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 CHF147.74 is trading 20.9% below its estimated GF Value™ of CHF186.88.

Key valuation signals for XSWX:TMUS:

  • 10-Year Sharpe Ratio: N/A
  • GF Value™: CHF186.88 vs. price of CHF147.74 (20.9% below fair value)
  • GF Score™: 78/100 with 1 warning sign

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

10-Year Sharpe Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

CHF147.74
Price
CHF186.88
GF Value