T vs. TMUS
T (AT&T Inc.) and TMUS (T-Mobile US, Inc.) are both stocks. Both operate in the Telecom Services industry within the Communication Services sector. Over the past 10 years, T returned 2.73%/yr vs 16.33%/yr for TMUS. At a 0.35 correlation, their price movements are largely independent.
Performance
T vs. TMUS - Performance Comparison
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Returns By Period
In the year-to-date period, T achieves a -7.65% return, which is significantly higher than TMUS's -9.79% return. Over the past 10 years, T has underperformed TMUS with an annualized return of 2.73%, while TMUS has yielded a comparatively higher 16.33% annualized return.
T
- 1D
- -3.11%
- 1M
- -8.15%
- YTD
- -7.65%
- 6M
- -5.83%
- 1Y
- -15.31%
- 3Y*
- 18.01%
- 5Y*
- 6.81%
- 10Y*
- 2.73%
TMUS
- 1D
- -1.65%
- 1M
- -4.38%
- YTD
- -9.79%
- 6M
- -8.13%
- 1Y
- -16.58%
- 3Y*
- 13.14%
- 5Y*
- 5.55%
- 10Y*
- 16.33%
T vs. TMUS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
T AT&T Inc. | -7.65% | 13.97% | 44.08% | -2.74% | 5.76% | -8.09% | -21.37% | 45.55% | -22.25% | -4.01% |
TMUS T-Mobile US, Inc. | -9.79% | -6.58% | 39.70% | 15.02% | 20.71% | -13.99% | 71.96% | 23.28% | 0.16% | 10.43% |
Correlation
The correlation between T and TMUS is 0.58, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.58 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.46 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.43 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.38 |
Correlation (All Time) Calculated using the full available price history since Apr 19, 2007 | 0.35 |
Over the past year, T and TMUS have become more correlated (0.58) than their long-term average of 0.35, meaning their price movements have been converging.
Fundamentals
T:
$3.04
TMUS:
$9.41
T:
7.37
TMUS:
19.26
T:
0.31
TMUS:
0.29
T:
1.28
TMUS:
2.24
T:
$125.65B
TMUS:
$90.53B
T:
$105.41B
TMUS:
$34.92B
T:
$54.70B
TMUS:
$28.22B
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Return for Risk
T vs. TMUS — Risk / Return Rank
T
TMUS
T vs. TMUS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AT&T Inc. (T) and T-Mobile US, Inc. (TMUS). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| T | TMUS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.02 | ||
| Sortino ratioReturn per unit of downside risk | -0.01 | ||
| Omega ratioGain probability vs. loss probability | 0.90 | 0.90 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | -0.70 | -0.55 | -0.15 |
| Martin ratioReturn relative to average drawdown | -1.41 | -0.92 | -0.50 |
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Drawdowns
T vs. TMUS - Drawdown Comparison
The maximum T drawdown since its inception was -64.15%, smaller than the maximum TMUS drawdown of -86.29%. Use the drawdown chart below to compare losses from any high point for T and TMUS.
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Drawdown Indicators
| T | TMUS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -64.15% | -86.29% | +22.14% |
Max Drawdown (1Y)Largest decline over 1 year | -22.08% | -30.37% | +8.29% |
Max Drawdown (3Y)Largest decline over 3 years | -22.08% | -33.65% | +11.57% |
Max Drawdown (5Y)Largest decline over 5 years | -32.01% | -33.65% | +1.64% |
Max Drawdown (10Y)Largest decline over 10 years | -42.35% | -33.65% | -8.70% |
Current DrawdownCurrent decline from peak | -22.08% | -32.04% | +9.96% |
Average DrawdownAverage peak-to-trough decline | -15.72% | -25.96% | +10.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.86% | 18.11% | -7.25% |
Volatility
T vs. TMUS - Volatility Comparison
AT&T Inc. (T) has a higher volatility of 8.21% compared to T-Mobile US, Inc. (TMUS) at 7.41%. This indicates that T's price experiences larger fluctuations and is considered to be riskier than TMUS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| T | TMUS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.21% | 7.41% | +0.80% |
Volatility (6M)Calculated over the trailing 6-month period | 18.05% | 19.29% | -1.24% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.37% | 25.10% | -2.73% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.06% | 23.94% | +0.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.76% | 26.09% | -2.33% |
Dividends
T vs. TMUS - Dividend Comparison
T's dividend yield for the trailing twelve months is around 4.95%, more than TMUS's 2.17% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
T AT&T Inc. | 4.95% | 4.47% | 4.87% | 6.62% | 6.66% | 8.46% | 7.23% | 5.22% | 7.01% | 5.04% | 4.51% | 5.46% |
TMUS T-Mobile US, Inc. | 2.17% | 1.80% | 1.28% | 0.41% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
T vs. TMUS - Financials Comparison
This section allows you to compare key financial metrics between AT&T Inc. and T-Mobile US, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
Frequently Asked Questions
T and TMUS have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
T has higher volatility (8.21%) compared to TMUS (7.41%). In terms of maximum drawdown, T dropped -64.15% vs TMUS's -86.29%.
TMUS currently has the higher Sharpe Ratio (-0.67 vs -0.69), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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