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CMCSA vs. SIRI: Comcast vs. Sirius XM Stock Comparison

How do Comcast (CMCSA) and Sirius XM (SIRI) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Comcast (CMCSA) and Sirius XM (SIRI) are both classified in the Cable & Satellite sub-industry within the broader Media industry, placing them in the closest GICS peer bucket.

Company profile comparison for Comcast (CMCSA) and Sirius XM (SIRI)
Profile ItemCMCSASIRI
NameComcast Corp. Class A Common StockSirius XM Holdings Inc.
Country/RegionUnited StatesUnited States
GICS SectorCommunication ServicesCommunication Services
GICS Industry GroupMedia & EntertainmentMedia & Entertainment
GICS IndustryMediaMedia
GICS Sub-IndustryCable & SatelliteCable & Satellite
Market Capitalization86.61 billion USD10.90 billion USD
CurrencyUSDUSD
ExchangeNasdaqNasdaq
Listing DateMarch 17, 1980September 13, 1994
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

CMCSA
SIRI
GSPC
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Comcast (CMCSA) vs. Sirius XM (SIRI), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Comcast (CMCSA) and Sirius XM (SIRI). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Comcast (CMCSA) and Sirius XM (SIRI). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Comcast (CMCSA) and Sirius XM (SIRI)
MetricCMCSASIRI
Total Return (1Y)-0.13%57.51%
Total Return (3Y, Annualized)-10.61%-7.52%
Total Return (5Y, Annualized)-10.51%-9.10%

Risk Profile

Drawdown History

CMCSA
SIRI
GSPC
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Comcast (CMCSA) vs. Sirius XM (SIRI), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Comcast (CMCSA) and Sirius XM (SIRI). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Comcast (CMCSA) and Sirius XM (SIRI)
MetricCMCSASIRI
Volatility (1Y, Annualized)32.88%32.75%
Beta (5Y)0.700.94
Max Drawdown (5Y)-51.57%-73.86%
Avg. Volume (3M)28.64M4.35M

Risk-Adjusted Performance

Risk-Return Positioning

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CMCSA and SIRI are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Comcast (CMCSA) and Sirius XM (SIRI)
MetricCMCSASIRI
Sharpe Ratio (1Y)-0.131.63
Sortino Ratio (1Y)-0.182.83

Profitability

ROE (TTM)

Both Comcast (CMCSA) at 11.43% and Sirius XM (SIRI) at 7.59% land near their industries’ usual ROE ranges, so capital efficiency looks broadly in line with peers on both sides.

CMCSA

Media & Entertainment industry group

11.43%

Max
49.92%
Q3
17.95%
CMCSA
11.43%
Median
7.20%
Q1
-4.53%
Min
-26.31%

SIRI

Media & Entertainment industry group

7.59%

Max
49.92%
Q3
17.95%
SIRI
7.59%
Median
7.20%
Q1
-4.53%
Min
-26.31%
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Comcast (CMCSA) vs. Sirius XM (SIRI): A comparison of their ROE against the Media & Entertainment industry group benchmark.

Net Margin (TTM)

Both Comcast (CMCSA) at 9.20% and Sirius XM (SIRI) at 10.47% keep about the typical share of revenue as profit for their industries — neither bottom line stands out from peers.

CMCSA

Media & Entertainment industry group

9.20%

Max
32.91%
Q3
11.75%
CMCSA
9.20%
Median
5.04%
Q1
-4.17%
Min
-25.14%

SIRI

Media & Entertainment industry group

10.47%

Max
32.91%
Q3
11.75%
SIRI
10.47%
Median
5.04%
Q1
-4.17%
Min
-25.14%
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Comcast (CMCSA) vs. Sirius XM (SIRI): A comparison of their net margin against the Media & Entertainment industry group benchmark.

Operating Margin (TTM)

Sirius XM (SIRI) at 22.71% operates in the top operating margin quartile, ahead of Comcast (CMCSA) at 18.16%, which runs around its industry’s norm.

CMCSA

Media & Entertainment industry group

18.16%

Max
40.16%
Q3
18.72%
CMCSA
18.16%
Median
8.63%
Q1
1.90%
Min
-22.08%

SIRI

Media & Entertainment industry group

22.71%

Max
40.16%
SIRI
22.71%
Q3
18.72%
Median
8.63%
Q1
1.90%
Min
-22.08%
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Comcast (CMCSA) vs. Sirius XM (SIRI): A comparison of their operating margin against the Media & Entertainment industry group benchmark.

Profitability Metrics

Profitability metrics for Comcast (CMCSA) and Sirius XM (SIRI)
MetricCMCSASIRI
ROE (TTM)11.43%7.59%
ROA (TTM)4.26%4.39%
Net Margin (TTM)9.20%10.47%
Operating Margin (TTM)18.16%22.71%
Gross Margin (TTM)69.84%47.49%

Growth

Revenue Growth

Comcast (CMCSA) at -0.02% is around its peer norm for revenue growth, while Sirius XM (SIRI) at -1.62% drops into the bottom quartile, signaling weaker demand or pricing momentum.

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Comcast (CMCSA) vs. Sirius XM (SIRI): A comparison of their Revenue Growth across different time periods.

EPS Growth

Only one side can be read here: Comcast (CMCSA) reports EPS growth of 30.19%, ranked against its industry; Sirius XM (SIRI) has no EPS growth figure this period.

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Comcast (CMCSA) vs. Sirius XM (SIRI): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Comcast (CMCSA) and Sirius XM (SIRI)
MetricCMCSASIRI
Revenue Growth (YoY)-0.02%-1.62%
Revenue Growth (3Y CAGR)0.62%-1.68%
EPS Growth (YoY)30.19%--
EPS Growth (3Y CAGR)64.54%-10.40%

Financial Strength

Current Ratio (MRQ)

Both Comcast (CMCSA) at 0.82 and Sirius XM (SIRI) at 0.33 run current ratio in the tighter-liquidity quartile of industry peers, leaving thinner cushions against current liabilities than typical competitors.

CMCSA

Media & Entertainment industry group

0.82

Max
4.69
Q3
2.53
Median
1.52
Q1
0.95
CMCSA
0.82
Min
0.28

SIRI

Media & Entertainment industry group

0.33

Max
4.69
Q3
2.53
Median
1.52
Q1
0.95
SIRI
0.33
Min
0.28
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Comcast (CMCSA) vs. Sirius XM (SIRI): A comparison of their current ratio against the Media & Entertainment industry group benchmark.

Debt / Equity (MRQ)

Both Comcast (CMCSA) at 0.94 and Sirius XM (SIRI) at 0.78 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

CMCSA

Media & Entertainment industry group

0.94

Max
3.65
Q3
1.69
CMCSA
0.94
Median
0.46
Q1
0.17
Min
0.00

SIRI

Media & Entertainment industry group

0.78

Max
3.65
Q3
1.69
SIRI
0.78
Median
0.46
Q1
0.17
Min
0.00
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Comcast (CMCSA) vs. Sirius XM (SIRI): A comparison of their debt-to-equity ratio against the Media & Entertainment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Comcast (CMCSA) and Sirius XM (SIRI)
MetricCMCSASIRI
Current Ratio (MRQ)0.820.33
Debt / Equity (MRQ)0.940.78
Net Debt / EBITDA2.383.66

Dividends

Dividend Yield (TTM)

Both Comcast (CMCSA) at 5.29% and Sirius XM (SIRI) at 3.28% yield above their industries’ entire benchmark ranges — high enough that dividend safety, not income, becomes the first question.

CMCSA

Media & Entertainment industry group

5.29%

CMCSA
5.29%
Max
1.33%
Q3
0.65%
Median
0.00%
Q1
0.00%
Min
0.00%

SIRI

Media & Entertainment industry group

3.28%

SIRI
3.28%
Max
1.33%
Q3
0.65%
Median
0.00%
Q1
0.00%
Min
0.00%
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Comcast (CMCSA) vs. Sirius XM (SIRI): A comparison of their dividend yield against the Media & Entertainment industry group benchmark.

Dividend Payout Ratio (TTM)

Both Comcast (CMCSA) at 41.77% and Sirius XM (SIRI) at 42.19% pay out an above-typical share of earnings for their industries, leaving thinner cover if profits dip.

CMCSA

Media & Entertainment industry group

41.77%

Max
71.43%
CMCSA
41.77%
Q3
28.98%
Median
0.00%
Q1
0.00%
Min
0.00%

SIRI

Media & Entertainment industry group

42.19%

Max
71.43%
SIRI
42.19%
Q3
28.98%
Median
0.00%
Q1
0.00%
Min
0.00%
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Comcast (CMCSA) vs. Sirius XM (SIRI): A comparison of their payout ratio against the Media & Entertainment industry group benchmark.

Dividend Metrics

Dividend metrics for Comcast (CMCSA) and Sirius XM (SIRI)
MetricCMCSASIRI
Dividend Yield (TTM)5.29%3.28%
Dividend Payout Ratio (TTM)41.77%42.19%

Valuation

P/E Ratio (TTM)

Comcast (CMCSA) at 7.72 sits in the cheaper P/E ratio quartile, while Sirius XM (SIRI) at 12.66 is closer to its industry’s usual earnings multiple — a discount for CMCSA, though growth and earnings durability still matter.

CMCSA

Media & Entertainment industry group

7.72

Max
51.21
Q3
28.90
Median
17.98
Q1
11.53
CMCSA
7.72
Min
1.64

SIRI

Media & Entertainment industry group

12.66

Max
51.21
Q3
28.90
Median
17.98
SIRI
12.66
Q1
11.53
Min
1.64
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Comcast (CMCSA) vs. Sirius XM (SIRI): A comparison of their P/E ratio against the Media & Entertainment industry group benchmark.

P/S Ratio (TTM)

On P/S ratio, both Comcast (CMCSA) at 0.70 and Sirius XM (SIRI) at 1.27 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.

CMCSA

Media & Entertainment industry group

0.70

Max
7.43
Q3
3.82
Median
1.40
CMCSA
0.70
Q1
0.70
Min
0.00

SIRI

Media & Entertainment industry group

1.27

Max
7.43
Q3
3.82
Median
1.40
SIRI
1.27
Q1
0.70
Min
0.00
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Comcast (CMCSA) vs. Sirius XM (SIRI): A comparison of their P/S ratio against the Media & Entertainment industry group benchmark.

P/B Ratio (MRQ)

On P/B ratio, both Comcast (CMCSA) at 0.94 and Sirius XM (SIRI) at 0.90 are valued close to their industries’ norm against book — neither stands out from peers.

CMCSA

Media & Entertainment industry group

0.94

Max
11.45
Q3
5.30
Median
1.84
CMCSA
0.94
Q1
0.77
Min
-2.61

SIRI

Media & Entertainment industry group

0.90

Max
11.45
Q3
5.30
Median
1.84
SIRI
0.90
Q1
0.77
Min
-2.61
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Comcast (CMCSA) vs. Sirius XM (SIRI): A comparison of their P/B ratio against the Media & Entertainment industry group benchmark.

Valuation Metrics

Valuation metrics for Comcast (CMCSA) and Sirius XM (SIRI)
MetricCMCSASIRI
P/E Ratio (TTM)7.7212.66
P/S Ratio (TTM)0.701.27
P/B Ratio (MRQ)0.940.90
Free Cash Flow Yield (TTM)15.10%11.57%