CMCSA vs T vs TMUS
161 measures in 16 categories, one definition each, computed from filings and market data.
CMCSA42.1
Comcast Corporation
Communication Services · Telecommunications Services
$21.90 +0.60%$77.5B mkt cap
Score DNA
T52.5
AT&T Inc.
Communication Services · Telecommunications Services
$23.43 −0.26%$160.6B mkt cap
Score DNA
TMUS44.3
T-Mobile US, Inc.
Communication Services · Telecommunications Services
$159.10 +1.32%$170.7B mkt cap
Score DNA
Price, rebased to 100 three years ago
CMCSA T TMUS · weekly adjusted closesSmart money 8Valuation 16Profitability (TTM) 12Returns on capital 11Growth 17Margin history & stability 7Liquidity (latest quarter) 7Leverage & solvency (latest quarter) 13Efficiency 11Cash flow & earnings quality 7Dividends & buybacks 9Scores & forensic checks 15Per share 7Size (TTM) 8Price performance 9Technicals 4
● marks the highest or lowest value where that direction is plainly stronger (margins, returns, coverage, leverage); multiples and yields are left unmarked. Bars show each stock's percentile within its own industry. n/a: the measure does not apply to lenders and insurers.
Smart money
8 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| Insider open-market buys, 180d | 0 | 0 | 1 |
| Insider $ bought, 180d | — | — | $1.00M |
| Congress purchases, 180d | 5 | 18 | 5 |
| Last Congress purchase | 2026-07-07 | 2026-10-09 | 2026-09-11 |
| 13F net change in holders | −151 | −281 | −60 |
| ETFs adding shares, 30d | 1,387 | 1,496 | 1,490 |
| ETFs trimming, 30d | 1,166 | 1,407 | 1,126 |
| Net ETF funds, 30d | +221 | +89 | +364 |
Valuation
16 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| P/E (TTM) | 6.9x
35th
|
7.5x
43rd
|
16.2x
61st
|
| PEG (P/E ÷ 3-yr EPS CAGR) | 0.26
43rd
|
— | 0.68
71st
|
| Price / sales | 0.6x
27th
|
1.3x
45th
|
1.9x
61st
|
| Price / book | 0.9x
29th
|
1.5x
42nd
|
3.0x
65th
|
| Price / tangible book | — | — | — |
| Price / free cash flow | 3.8x
8th
|
9.1x
50th
|
10.8x
67th
|
| Price / operating cash flow | 2.4x
18th
|
4.0x
50th
|
5.9x
64th
|
| Enterprise value | $160.2B
88th
|
$305.9B
97th
|
$283.8B
91st
|
| EV / sales | 1.3x
9th
|
2.4x
58th
|
3.1x
67th
|
| EV / EBITDA | 4.7x
28th
|
5.7x
45th
|
10.0x
79th
|
| EV / EBIT | 8.7x
35th
|
9.2x
42nd
|
17.1x
77th
|
| EV / free cash flow | 7.8x
4th
|
17.3x
42nd
|
17.9x
50th
|
| Earnings yield | 14.5%
76th
|
13.4%
70th
|
6.2%
58th
|
| FCF yield | 26.4%
94th
|
11.0%
64th
|
9.3%
52nd
|
| Operating cash flow yield | 42.0%
85th
|
24.9%
58th
|
16.9%
45th
|
| Graham number (per share) | $42.13
52nd
|
$33.27
26th
|
$106.82
91st
|
Profitability (TTM)
12 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| Gross margin | 69.4%
88th
|
59.7%
58th
|
54.5%
52nd
|
| EBITDA margin | 27.3%
36th
|
42.2%
82nd
|
30.7%
54th
|
| Operating margin | 14.7%
46th
|
19.6%
61st
|
20.3%
68th
|
| EBIT margin | 14.7%
50th
|
26.2%
89th
|
18.0%
57th
|
| Net margin | 9.0%
54th
|
16.9%
86th
|
11.5%
71st
|
| NOPAT margin | 11.3%
57th
|
17.3%
82nd
|
15.5%
64th
|
| FCF margin | 16.4%
78th
|
13.9%
69th
|
17.2%
84th
|
| Operating cash flow margin | 26.0%
42nd
|
31.4%
77th
|
31.3%
74th
|
| R&D / revenue | 0.0%
0th
|
0.0%
0th
|
0.3%
82nd
|
| SG&A / revenue | 24.2%
39th
|
23.2%
30th
|
26.0%
61st
|
| Stock comp / revenue | 0.9%
45th
|
0.0%
0th
|
0.9%
58th
|
| Effective tax rate | 23.0%
65th
|
11.7%
10th
|
23.6%
77th
|
Returns on capital
11 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| ROE (on average equity) | 12.0%
47th
|
19.9%
62nd
|
18.0%
56th
|
| ROA | 4.2%
55th
|
5.2%
64th
|
5.0%
61st
|
| ROIC | 8.2%
55th
|
8.6%
67th
|
8.4%
61st
|
| ROCE | 8.2%
42nd
|
8.9%
55th
|
8.7%
52nd
|
| Return on tangible assets | 6.9%
42nd
|
8.0%
55th
|
7.8%
52nd
|
| Cash ROIC (OCF / invested capital) | 18.9%
75th
|
15.6%
62nd
|
17.0%
69th
|
| Gross profitability (GP / assets) | 32.1%
85th
|
26.1%
79th
|
23.5%
67th
|
| ROIC, 3-yr average | 8.0%
89th
|
5.8%
71st
|
6.0%
79th
|
| ROIC, 5-yr average | 7.9%
85th
|
4.4%
59th
|
5.1%
67th
|
| ROE, 5-yr average | 15.5%
79th
|
10.4%
43rd
|
13.1%
68th
|
| Incremental ROIC | 19.4%
70th
|
60.0%
87th
|
-74.1%
13th
|
Growth
17 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| Revenue growth (TTM YoY) | 0.6%
27th
|
2.6%
47th
|
9.7%
73rd
|
| Revenue growth (QoQ) | -4.8%
18th
|
0.2%
45th
|
-1.4%
30th
|
| Revenue CAGR, 3 yr | 1.2%
53rd
|
1.6%
60th
|
5.5%
70th
|
| Revenue CAGR, 5 yr | 2.8%
57th
|
-5.4%
33rd
|
3.1%
63rd
|
| Gross profit CAGR, 3 yr | 5.8%
62nd
|
28.2%
86th
|
2.5%
52nd
|
| Operating income CAGR, 3 yr | -7.4%
17th
|
0.9%
29th
|
18.6%
58th
|
| Net income growth (TTM YoY) | -51.1%
17th
|
68.5%
83rd
|
-13.5%
42nd
|
| Net income CAGR, 3 yr | 19.8%
56th
|
— | 19.8%
44th
|
| EPS growth (TTM YoY) | -48.6%
15th
|
75.1%
77th
|
-9.4%
46th
|
| EPS CAGR, 3 yr | 26.3%
56th
|
— | 23.8%
44th
|
| EPS CAGR, 5 yr | 3.3%
18th
|
— | 25.6%
64th
|
| FCF growth (TTM YoY) | 9.0%
50th
|
-10.0%
20th
|
19.5%
65th
|
| FCF CAGR, 3 yr | 19.6%
56th
|
-1.1%
28th
|
60.2%
89th
|
| Operating cash flow CAGR, 3 yr | 6.1%
62nd
|
2.6%
33rd
|
18.9%
75th
|
| Book value CAGR, 3 yr | 7.7%
64th
|
3.9%
54th
|
-1.9%
43rd
|
| Dividend CAGR, 3 yr | 5.5%
54th
|
0.3%
31st
|
8.4%
85th
|
| Sustainable growth rate | 6.8%
52nd
|
12.5%
74th
|
10.6%
61st
|
Margin history & stability
7 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| Gross margin, 3-yr average | 61.1%
77th
|
58.1%
57th
|
60.3%
67th
|
| Operating margin, 3-yr average | 17.4%
54th
|
19.9%
57th
|
21.1%
64th
|
| Net margin, 3-yr average | 13.3%
71st
|
12.5%
61st
|
12.6%
68th
|
| FCF margin, 3-yr average | 13.7%
52nd
|
15.6%
76th
|
15.6%
72nd
|
| Revenue stability (0-1) | 0.88
80th
|
0.56
40th
|
0.60
50th
|
| Earnings stability (0-1) | 0.08
27th
|
0.27
43rd
|
0.79
90th
|
| Margin stability (0-1) | 0.93
77th
|
0.60
10th
|
0.93
83rd
|
Liquidity (latest quarter)
7 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| Cash & short-term investments | $7.7B
91st
|
$17.6B
97th
|
$2.8B
88th
|
| Net cash (− = net debt) | −$82.7B
15th
|
−$145.3B
3rd
|
−$113.2B
9th
|
| Working capital | −$6.8B
6th
|
−$1.5B
18th
|
−$1.8B
15th
|
| Current ratio | 0.80
12th
|
0.97
45th
|
0.92
21st
|
| Quick ratio | 0.80
15th
|
0.93
27th
|
0.83
21st
|
| Cash ratio (cash + ST investments / current liabilities) | 0.23
21st
|
0.33
30th
|
0.12
6th
|
| Defensive interval (days) | 123 days
11th
|
110 days
4th
|
148 days
26th
|
Leverage & solvency (latest quarter)
13 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| Total debt | $90.4B
82nd
|
$162.9B
94th
|
$116.0B
91st
|
| Debt / equity | 1.01
52nd
|
1.47
68th
|
2.06
81st
|
| Net debt / equity | 0.92
61st
|
1.32
71st
|
2.01
81st
|
| Debt / assets | 35.1%
24th
|
38.0%
52nd
|
54.3%
79th
|
| Debt / capital | 50.2%
52nd
|
59.6%
68th
|
67.3%
81st
|
| Debt / EBITDA | 2.65
41st
|
3.03
48th
|
4.10
66th
|
| Net debt / EBITDA | 2.42
48th
|
2.70
55th
|
4.00
79th
|
| Interest coverage (EBIT / interest) | 4.2x
61st
|
4.6x
68th
|
4.3x
65th
|
| Cash interest coverage | 7.4x
77th
|
5.5x
71st
|
7.4x
81st
|
| Debt payback (years of OCF) | 2.8 yrs
25th
|
4.1 yrs
39th
|
4.0 yrs
36th
|
| Liabilities / assets | 65.2%
58th
|
70.5%
64th
|
73.7%
70th
|
| IS credit model rating | BB+ | BB- | BB |
| Implied credit spread (bps) | 400
42nd
|
550
58th
|
475
55th
|
Efficiency
11 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| Asset turnover | 0.47
82nd
|
0.31
42nd
|
0.43
76th
|
| Fixed asset turnover | 1.89
82nd
|
0.95
52nd
|
1.44
73rd
|
| Inventory turnover | — | 6.5
26th
|
21.6
63rd
|
| Receivables turnover | 9.3
55th
|
14.7
82nd
|
18.7
91st
|
| Days sales outstanding | 39 days
42nd
|
25 days
15th
|
19 days
9th
|
| Days inventory outstanding | — | 56 days
68th
|
17 days
37th
|
| Days payables outstanding | 102 days
53rd
|
845 days
97th
|
56 days
28th
|
| Cash conversion cycle (days) | −63 days
22nd
|
−764 days
0th
|
−20 days
53rd
|
| Capex / revenue | 9.7%
14th
|
17.5%
64th
|
14.1%
57th
|
| Capex / depreciation | 0.77
39th
|
1.09
54th
|
1.11
61st
|
| Operating expense ratio | 54.7%
56th
|
39.5%
26th
|
40.7%
33rd
|
Cash flow & earnings quality
7 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| Operating cash flow / net income | 2.90
61st
|
1.86
43rd
|
2.73
57th
|
| FCF / net income | 1.83
78th
|
0.82
48th
|
1.50
70th
|
| FCF / operating cash flow | 62.9%
78th
|
44.2%
48th
|
54.9%
74th
|
| Capex / operating cash flow | 37.1%
19th
|
55.8%
48th
|
45.1%
26th
|
| Accruals ratio | -8.0%
45th
|
-4.4%
67th
|
-8.6%
42nd
|
| Sloan accruals ratio | -7.4%
30th
|
-3.0%
70th
|
-8.5%
27th
|
| Earnings quality score (0-1) | 0.75
35th
|
1.00
91st
|
0.75
35th
|
Scores & forensic checks
15 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| IS score | 42
61st
|
52
85th
|
44
67th
|
| IS profitability | 54
48th
|
65
67th
|
65
64th
|
| IS growth | 22
3rd
|
60
60th
|
38
27th
|
| IS value | 87
88th
|
87
85th
|
57
55th
|
| IS momentum | 55
30th
|
87
90th
|
68
73rd
|
| IS risk (safety) | 30
58th
|
15
3rd
|
30
58th
|
| IS quality | 74
91st
|
74
85th
|
67
73rd
|
| IS balance sheet | 43
55th
|
38
33rd
|
26
21st
|
| IS earnings quality | 73
85th
|
84
94th
|
72
76th
|
| IS cash flow | 62
76th
|
50
55th
|
64
85th
|
| Piotroski F-score (0-9) | 7
85th
|
7
85th
|
6
64th
|
| Altman Z-score | 1.3
58th
|
0.9
33rd
|
1.5
64th
|
| Beneish M-score | −2.92
50th
|
−2.83
57th
|
−2.74
77th
|
| Ohlson O-score | −8.23
18th
|
−8.38
12th
|
−7.82
36th
|
| IS credit score | 46
48th
|
38
39th
|
42
45th
|
Size (TTM)
8 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| Market cap | $77.5B
88th
|
$160.6B
94th
|
$170.7B
97th
|
| Revenue | $124.9B
88th
|
$127.2B
94th
|
$92.2B
85th
|
| EBITDA | $34.1B
91st
|
$53.7B
97th
|
$28.3B
85th
|
| Net income | $11.2B
88th
|
$21.5B
97th
|
$10.6B
85th
|
| Free cash flow | $20.4B
97th
|
$17.7B
88th
|
$15.8B
85th
|
| Total assets | $257.5B
88th
|
$428.4B
97th
|
$213.6B
85th
|
| Shareholders' equity | $89.8B
88th
|
$110.4B
97th
|
$56.3B
85th
|
| Employees | 179,000
100th
|
133,030
94th
|
75,000
85th
|
Price performance
9 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| 1 day | +0.6% | −0.3% | +1.3% |
| 1 week | +6.0% | +5.7% | +7.1% |
| 1 month | −2.9% | −7.7% | −4.4% |
| 3 months | −6.5% | +6.8% | −18.7% |
| 6 months | −23.9% | −11.6% | −19.5% |
| Year to date | −16.6% | −3.5% | −19.9% |
| 1 year | −22.4% | −10.1% | −29.5% |
| 3 years, cumulative | −44.4% | +76.1% | +15.1% |
| 5 years, cumulative | −52.6% | +47.6% | +35.9% |
Technicals
4 measures| Measure | CMCSA | T | TMUS |
|---|---|---|---|
| RSI 14 | 47.2 | 42.4 | 43.3 |
| From 52-week high | −30.6% | −20.4% | −30.6% |
| From 52-week low | +6.9% | +19.4% | +7.6% |
| Beta | 0.67 | 0.43 | 0.32 |
InsiderStreet reports findings from filings and market data. A comparison is not a recommendation to buy or sell either stock.Every figure is computed in code · data as of 2026-10-17