CMCSA vs. T
Compare and contrast key facts about Comcast Corporation (CMCSA) and AT&T Inc. (T).
Performance
CMCSA vs. T - Performance Comparison
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CMCSA vs. T - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CMCSA Comcast Corporation | 9.72% | -17.35% | -11.84% | 29.08% | -28.68% | -2.22% | 19.13% | 34.04% | -12.71% | 17.45% |
T AT&T Inc. | 18.07% | 13.97% | 44.08% | -2.74% | 5.76% | -8.09% | -21.37% | 45.55% | -22.25% | -4.01% |
Fundamentals
CMCSA:
$104.39B
T:
$208.12B
CMCSA:
$5.34
T:
$3.04
CMCSA:
5.38
T:
9.52
CMCSA:
0.12
T:
0.39
CMCSA:
0.86
T:
1.66
CMCSA:
1.07
T:
1.67
CMCSA:
$123.71B
T:
$125.65B
CMCSA:
$74.31B
T:
$100.22B
CMCSA:
$46.79B
T:
$53.20B
Returns By Period
In the year-to-date period, CMCSA achieves a 9.72% return, which is significantly lower than T's 18.07% return. Over the past 10 years, CMCSA has underperformed T with an annualized return of 2.95%, while T has yielded a comparatively higher 5.86% annualized return.
CMCSA
- 1D
- -0.66%
- 1M
- -7.27%
- YTD
- 9.72%
- 6M
- 5.48%
- 1Y
- -8.54%
- 3Y*
- -1.88%
- 5Y*
- -7.27%
- 10Y*
- 2.95%
T
- 1D
- 0.73%
- 1M
- 3.50%
- YTD
- 18.07%
- 6M
- 4.97%
- 1Y
- 6.99%
- 3Y*
- 21.14%
- 5Y*
- 11.20%
- 10Y*
- 5.86%
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Return for Risk
CMCSA vs. T — Risk / Return Rank
CMCSA
T
CMCSA vs. T - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Comcast Corporation (CMCSA) and AT&T Inc. (T). 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.
| CMCSA | T | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.32 | 0.31 | -0.63 |
Sortino ratioReturn per unit of downside risk | -0.29 | 0.58 | -0.86 |
Omega ratioGain probability vs. loss probability | 0.97 | 1.07 | -0.11 |
Calmar ratioReturn relative to maximum drawdown | -0.30 | 0.36 | -0.66 |
Martin ratioReturn relative to average drawdown | -0.63 | 0.81 | -1.45 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| CMCSA | T | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.32 | 0.31 | -0.63 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.28 | 0.47 | -0.75 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.11 | 0.25 | -0.14 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.22 | 0.40 | -0.18 |
Correlation
The correlation between CMCSA and T is 0.33, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
CMCSA vs. T - Dividend Comparison
CMCSA's dividend yield for the trailing twelve months is around 10.03%, more than T's 3.83% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CMCSA Comcast Corporation | 10.03% | 4.35% | 3.25% | 2.60% | 3.03% | 1.95% | 1.72% | 1.40% | 2.69% | 1.18% | 1.96% | 1.73% |
T AT&T Inc. | 3.83% | 4.47% | 4.87% | 6.62% | 6.66% | 8.46% | 7.23% | 5.22% | 7.01% | 5.04% | 4.51% | 5.46% |
Drawdowns
CMCSA vs. T - Drawdown Comparison
The maximum CMCSA drawdown since its inception was -77.16%, which is greater than T's maximum drawdown of -64.15%. Use the drawdown chart below to compare losses from any high point for CMCSA and T.
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Drawdown Indicators
| CMCSA | T | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -77.16% | -64.15% | -13.01% |
Max Drawdown (1Y)Largest decline over 1 year | -26.29% | -20.60% | -5.69% |
Max Drawdown (5Y)Largest decline over 5 years | -52.11% | -36.68% | -15.43% |
Max Drawdown (10Y)Largest decline over 10 years | -52.11% | -42.35% | -9.76% |
Current DrawdownCurrent decline from peak | -39.75% | -0.38% | -39.37% |
Average DrawdownAverage peak-to-trough decline | -31.46% | -15.74% | -15.72% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 12.37% | 9.06% | +3.31% |
Volatility
CMCSA vs. T - Volatility Comparison
Comcast Corporation (CMCSA) has a higher volatility of 8.23% compared to AT&T Inc. (T) at 6.70%. This indicates that CMCSA's price experiences larger fluctuations and is considered to be riskier than T based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CMCSA | T | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.23% | 6.70% | +1.53% |
Volatility (6M)Calculated over the trailing 6-month period | 19.96% | 16.42% | +3.54% |
Volatility (1Y)Calculated over the trailing 1-year period | 26.77% | 22.39% | +4.38% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 26.08% | 23.82% | +2.26% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 25.93% | 23.49% | +2.44% |
Financials
CMCSA vs. T - Financials Comparison
This section allows you to compare key financial metrics between Comcast Corporation and AT&T 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