TDS vs. TMUS

Last updated Jun 3, 2026

TDS (Telephone and Data Systems, 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, TDS returned 9.29%/yr vs 16.30%/yr for TMUS. At a 0.39 correlation, their price movements are largely independent.

Performance

TDS vs. TMUS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Telephone and Data Systems, Inc. (TDS) and T-Mobile US, Inc. (TMUS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TDS achieves a 26.93% return, which is significantly higher than TMUS's -6.04% return. Over the past 10 years, TDS has underperformed TMUS with an annualized return of 9.29%, while TMUS has yielded a comparatively higher 16.30% annualized return.

TDS

• 1D: 1.72%
• 1M: -11.81%
• YTD: 26.93%
• 6M: 31.49%
• 1Y: 51.25%
• 3Y*: 99.92%
• 5Y*: 18.72%
• 10Y*: 9.29%

TMUS

• 1D: 1.12%
• 1M: -3.17%
• YTD: -6.04%
• 6M: -9.21%
• 1Y: -20.85%
• 3Y*: 14.60%
• 5Y*: 6.77%
• 10Y*: 16.30%

*Multi-year figures are annualized to reflect compound growth (CAGR)

TDS vs. TMUS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TDS Telephone and Data Systems, Inc.	26.93%	20.73%	89.02%	86.26%	-45.27%	12.04%	-24.32%	-19.98%	19.58%	-1.46%
TMUS T-Mobile US, Inc.	-6.04%	-6.58%	39.70%	15.02%	20.71%	-13.99%	71.96%	23.28%	0.16%	10.43%

Correlation

The correlation between TDS and TMUS is 0.25, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.25
Correlation (3Y) Calculated over the trailing 3-year period	0.23
Correlation (5Y) Calculated over the trailing 5-year period	0.29
Correlation (10Y) Calculated over the trailing 10-year period	0.35
Correlation (All Time) Calculated using the full available price history since Apr 20, 2007	0.39

The correlation between TDS and TMUS shifts across timeframes, from 0.23 (3 years) to 0.39 (all time), reflecting how their relationship changes across market environments.

Fundamentals

EPS TDS : $1.31 TMUS : $9.41
PE Ratio TDS : 30.57 TMUS : 20.06
PEG Ratio TDS : 8.99 TMUS : 0.30
PS Ratio TDS : 1.63 TMUS : 2.34
Total Revenue (TTM) TDS : $2.13B TMUS : $90.53B
Gross Profit (TTM) TDS : $775.87M TMUS : $34.92B
EBITDA (TTM) TDS : $746.87M TMUS : $28.22B

Return for Risk

TDS vs. TMUS — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

TDS

TDS Risk / Return Rank: 81
TDS Sharpe Ratio Rank: 77
TDS Sortino Ratio Rank: 83
TDS Omega Ratio Rank: 80
TDS Calmar Ratio Rank: 81
TDS Martin Ratio Rank: 84

TMUS

TMUS Risk / Return Rank: 11
TMUS Sharpe Ratio Rank: 7
TMUS Sortino Ratio Rank: 9
TMUS Omega Ratio Rank: 10
TMUS Calmar Ratio Rank: 13
TMUS Martin Ratio Rank: 14

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

TDS vs. TMUS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Telephone and Data Systems, Inc. (TDS) 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.

	TDS	TMUS	Difference
Sharpe ratio Return per unit of total volatility	1.30	-0.85	+2.15
Sortino ratio Return per unit of downside risk	2.59	-1.15	+3.75
Omega ratio Gain probability vs. loss probability	1.31	0.87	+0.44
Calmar ratio Return relative to maximum drawdown	2.84	-0.72	+3.57
Martin ratio Return relative to average drawdown	8.65	-1.19	+9.85
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TDS vs. TMUS - Sharpe Ratio Comparison

The current TDS Sharpe Ratio is 1.30, which is higher than the TMUS Sharpe Ratio of -0.85. The chart below compares the historical Sharpe Ratios of TDS and TMUS, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	TDS	TMUS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.30	-0.85	+2.15
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.29	0.29	+0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.18	0.63	-0.45
Sharpe Ratio (All Time) Calculated using the full available price history	0.11	0.20	-0.09

Drawdowns

TDS vs. TMUS - Drawdown Comparison

The maximum TDS drawdown since its inception was -88.89%, roughly equal to the maximum TMUS drawdown of -86.29%. Use the drawdown chart below to compare losses from any high point for TDS and TMUS.

Drawdown Indicators

	TDS	TMUS	Difference
Max Drawdown Largest peak-to-trough decline	-88.89%	-86.29%	-2.60%
Max Drawdown (1Y) Largest decline over 1 year	-18.27%	-28.51%	+10.24%
Max Drawdown (3Y) Largest decline over 3 years	-33.36%	-31.88%	-1.48%
Max Drawdown (5Y) Largest decline over 5 years	-72.54%	-31.99%	-40.55%
Max Drawdown (10Y) Largest decline over 10 years	-78.98%	-31.99%	-46.99%
Current Drawdown Current decline from peak	-15.64%	-29.22%	+13.58%
Average Drawdown Average peak-to-trough decline	-47.35%	-25.95%	-21.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.00%	17.24%	-11.24%

Volatility

TDS vs. TMUS - Volatility Comparison

Telephone and Data Systems, Inc. (TDS) has a higher volatility of 10.42% compared to T-Mobile US, Inc. (TMUS) at 5.31%. This indicates that TDS'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.

Volatility by Period

	TDS	TMUS	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.42%	5.31%	+5.11%
Volatility (6M) Calculated over the trailing 6-month period	31.45%	18.70%	+12.75%
Volatility (1Y) Calculated over the trailing 1-year period	39.65%	24.63%	+15.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	63.87%	23.79%	+40.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	52.58%	26.05%	+26.53%

Dividends

TDS vs. TMUS - Dividend Comparison

TDS's dividend yield for the trailing twelve months is around 25.95%, more than TMUS's 2.09% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TDS Telephone and Data Systems, Inc.	25.95%	0.39%	0.91%	4.03%	6.86%	3.47%	3.66%	2.60%	1.97%	2.23%	2.05%	2.18%
TMUS T-Mobile US, Inc.	2.09%	1.80%	1.28%	0.41%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

TDS vs. TMUS - Profitability Comparison

The chart below illustrates the profitability comparison between Telephone and Data Systems, Inc. and T-Mobile US, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

TDS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Telephone and Data Systems, Inc. reported a gross profit of 0.00 and revenue of 309.45M. Therefore, the gross margin over that period was 0.0%.

TMUS - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, T-Mobile US, Inc. reported a gross profit of 0.00 and revenue of 23.11B. Therefore, the gross margin over that period was 0.0%.

TDS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Telephone and Data Systems, Inc. reported an operating income of 143.82M and revenue of 309.45M, resulting in an operating margin of 46.5%.

TMUS - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, T-Mobile US, Inc. reported an operating income of 4.50B and revenue of 23.11B, resulting in an operating margin of 19.5%.

TDS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Telephone and Data Systems, Inc. reported a net income of 127.29M and revenue of 309.45M, resulting in a net margin of 41.1%.

TMUS - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, T-Mobile US, Inc. reported a net income of 2.50B and revenue of 23.11B, resulting in a net margin of 10.8%.

Frequently Asked Questions

Can I hold both TDS and TMUS in my portfolio?

TDS and TMUS have a correlation of 0.25, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TDS or TMUS?

TDS has higher volatility (10.42%) compared to TMUS (5.31%). In terms of maximum drawdown, TDS dropped -88.89% vs TMUS's -86.29%.

Which has better risk-adjusted returns?

TDS currently has the higher Sharpe Ratio (1.30 vs -0.85), 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.