Compare Stocks › CMCSA vs NFLX
Comcast Corporation (CMCSA) vs Netflix, Inc. (NFLX)
CMCSA
Comcast Corporation
$28.98
VS
NFLX
Netflix, Inc.
$91.74
Rewards
CMCSA
- ★Gross margin of 71.7% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
- ★Comcast Corporation scores 72/100 on the Economic Moat Score (Wide Moat), with margin stability as the strongest competitive dimension.
- ★Free cash flow has grown at a 15.0% CAGR over the past 4 years, demonstrating strong earnings power growth.
NFLX
- ★Netflix, Inc. has maintained ROIC above 10% for 4 consecutive years, suggesting solid business economics.
- ★Netflix, Inc. scores 81/100 on the Economic Moat Score (Wide Moat), with reinvestment efficiency as the strongest competitive dimension.
- ★Free cash flow has grown at a 80.1% CAGR over the past 4 years, demonstrating strong earnings power growth.
Risks
CMCSA
- ⚠Altman Z-Score of 1.37 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
NFLX
- ⚠FCF yield of 6.4% suggests reasonable valuation assuming continued moderate growth.
- ⚠12 insider sales totaling $137.3M with no purchases in the past 3 months — insiders are reducing their exposure.
Key Valuation Metrics
Learn more →CMCSA
NFLX
Valuation
$19.23B
Free Cash Flow
$24.82B
18.21%
FCF Yield
6.38%
5.38
Trailing P/E
36.26
7.28
Forward P/E
23.87
Quality & Moat
5.21%
ROIC
20.09%
20.54%
ROE
41.26%
71.75%
Gross Margin
48.49%
N/A
PEG Ratio
1.11
Balance Sheet Safety
1.08
Debt / Equity
0.64
N/A
Interest Coverage
N/A
2.59
Net Debt / EBITDA
0.58
4.55%
Dividend Yield
N/A
CMCSA: 4Ties: 1NFLX: 5
CMCSANFLX
Historical Fundamentals
Learn more →CMCSA
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.
NFLX
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.
Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.
$1 Retained Earnings Test
Learn more →CMCSA
$-1.01
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$37.10B
Δ Market Cap
$-37.35B
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
NFLX
$10.54
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$25.10B
Δ Market Cap
+$264.55B
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
Discounted Cash Flow (DCF) Analysis
Learn more →CMCSA
70.0% Margin of Safety
Price is 70.0% below estimated fair value
Current Price: $28.98
Strongly undervalued
Fairly valued
Strongly overvalued
Fair Value: $96.45
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
NFLX
28.7% Margin of Safety
Price is 28.7% below estimated fair value
Current Price: $91.74
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $128.70
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Reverse DCF — Market-Implied Growth
Learn more →CMCSA
What growth rate is the market pricing in at $29?
-1.8%
Market-Implied Owner Earnings Growth
Standard FCF implies -1.2%
The market implies -1.8% Owner Earnings growth, below historical trends — potential opportunity.
Standard FCF implies a more demanding -1.2%, reflecting heavy growth investment expected to generate future returns.
NFLX
What growth rate is the market pricing in at $92?
+15.8%
Market-Implied Owner Earnings Growth
Standard FCF implies +4.7%
The market implies +15.8% Owner Earnings growth, below historical trends — potential opportunity.
Standard FCF implies a more demanding +4.7%, reflecting heavy growth investment expected to generate future returns.
Economic Moat Score
Learn more →CMCSA
72/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None
Wide moat driven primarily by margin stability. ROIC Consistency is the area most vulnerable to competitive pressure.
Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 5 years of fundamental data.
NFLX
81/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None
Wide moat driven primarily by reinvestment efficiency. Margin Stability is the area most vulnerable to competitive pressure.
Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 4 years of fundamental data.
Forensic Accounting
Learn more →CMCSA
-2.73
Unlikely Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone
M-Score Trend
Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.
NFLX
-1.96
Possible Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone
M-Score Trend
Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.
Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.
Ownership Breakdown
Learn more →CMCSA
Insiders 0.8%Institutions 88.8%Retail & Other 10.5%
No. of Institutional Holders2,770
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.
NFLX
Insiders 0.6%Institutions 83.8%Retail & Other 15.6%
No. of Institutional Holders4,579
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.
High insider ownership aligns management incentives with shareholders. Institutional concentration can indicate smart-money conviction but also crowding risk.
Insider Buying Activity
Learn more →CMCSA
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
NFLX
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
Open market purchases · includes direct & indirect ownership · excludes option exercises.
Insider Selling Activity
Learn more →CMCSA
2
Sells (3M)
2
Sells (12M)
Total value (12M): $388,385
ARMSTRONG JASON S
Chief Financial Officer
$142,617
@ $31.73 · 2026-03-05
NAKAHARA ASUKA
Director
$245,768
@ $29.70 · 2026-02-03
ROBERTS BRIAN L
Chief Executive Officer
$20.06M
@ $42.73 · 2024-11-27
BACON KENNETH J
Director
$625,093
@ $43.39 · 2024-11-22
ARMSTRONG JASON S
Chief Financial Officer
$1.04M
@ $44.84 · 2024-11-06
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
NFLX
12
Sells (3M)
63
Sells (12M)
Total value (12M): $549.49M
HASTINGS REED
Director
$39.83M
@ $97.01 · 2026-03-02
NEUMANN SPENCER ADAM
Chief Financial Officer
$2.78M
@ $97.00 · 2026-03-02
NEUMANN SPENCER ADAM
Chief Financial Officer
$5.47M
@ $95.50 · 2026-02-27
WILLEMS CLETUS R
Officer
$259,253
@ $82.67 · 2026-02-10
PETERS GREGORY K.
Chief Executive Officer
$2.27M
@ $83.24 · 2026-02-10
HYMAN DAVID A
Officer
$464,231
@ $81.06 · 2026-02-09
NEUMANN SPENCER ADAM
Chief Financial Officer
$751,598
@ $81.27 · 2026-02-06
HASTINGS REED
Director
$32.70M
@ $83.63 · 2026-02-02
PETERS GREGORY K.
Chief Executive Officer
$8.77M
@ $82.94 · 2026-01-29
HYMAN DAVID A
Officer
$2.07M
@ $88.11 · 2026-01-16
SMITH BRADFORD LEE
Director
$2.82M
@ $88.86 · 2026-01-15
HASTINGS REED
Director
$39.08M
@ $91.67 · 2026-01-02
HASTINGS REED
Director
$40.71M
@ $108.43 · 2025-12-01
WILLEMS CLETUS R
Officer
$261,879
@ $1100.33 · 2025-11-06
HYMAN DAVID A
Officer
$34.60M
@ $1099.84 · 2025-11-04
SARANDOS THEODORE ANTHONY JR.
Chief Executive Officer
$2.21M
@ $1092.08 · 2025-11-04
PETERS GREGORY K.
Chief Executive Officer
$2.22M
@ $1095.68 · 2025-11-04
NEUMANN SPENCER ADAM
Chief Financial Officer
$2.59M
@ $1097.56 · 2025-11-03
NEUMANN SPENCER ADAM
Chief Financial Officer
$269,200
@ $1121.67 · 2025-11-03
HASTINGS REED
Director
$45.28M
@ $1121.51 · 2025-10-31
HASTINGS REED
Director
$49.43M
@ $1171.92 · 2025-10-01
NEUMANN SPENCER ADAM
Chief Financial Officer
$3.05M
@ $1172.51 · 2025-10-01
HASTINGS REED
Director
$31.35M
@ $1207.71 · 2025-09-02
NEUMANN SPENCER ADAM
Chief Financial Officer
$3.14M
@ $1207.76 · 2025-09-02
WILLEMS CLETUS R
Officer
$274,538
@ $1153.52 · 2025-08-06
NEUMANN SPENCER ADAM
Chief Financial Officer
$795,432
@ $1161.21 · 2025-08-06
HYMAN DAVID A
Officer
$491,276
@ $1158.67 · 2025-08-05
SARANDOS THEODORE ANTHONY JR.
Chief Executive Officer
$2.35M
@ $1160.62 · 2025-08-05
PETERS GREGORY K.
Chief Executive Officer
$2.34M
@ $1157.44 · 2025-08-05
HASTINGS REED
Director
$26.46M
@ $1162.45 · 2025-08-01
NEUMANN SPENCER ADAM
Chief Financial Officer
$3.02M
@ $1162.40 · 2025-08-01
HASTINGS REED
Director
$21.82M
@ $1295.78 · 2025-07-01
HASTINGS REED
Director
$12.86M
@ $1329.11 · 2025-07-01
MASIYIWA STRIVE
Director
$387,597
@ $1336.54 · 2025-07-01
NEUMANN SPENCER ADAM
Chief Financial Officer
$3.40M
@ $1307.22 · 2025-07-01
KARBOWSKI JEFFREY WILLIAM
Officer
$797,841
@ $1286.84 · 2025-06-25
KILGORE LESLIE JEAN
Director
$273,480
@ $1290.00 · 2025-06-25
KILGORE LESLIE JEAN
Director
$546,290
@ $1267.49 · 2025-06-24
MATHER ANN
Director
$1.36M
@ $1250.00 · 2025-06-05
KILGORE LESLIE JEAN
Director
$816,070
@ $1251.64 · 2025-06-05
KILGORE LESLIE JEAN
Director
$273,175
@ $1225.00 · 2025-06-03
HASTINGS REED
Director
$32.63M
@ $1211.66 · 2025-06-02
NEUMANN SPENCER ADAM
Chief Financial Officer
$3.15M
@ $1211.67 · 2025-06-02
KARBOWSKI JEFFREY WILLIAM
Officer
$764,653
@ $1194.77 · 2025-05-27
KILGORE LESLIE JEAN
Director
$545,210
@ $1172.49 · 2025-05-15
SMITH BRADFORD LEE
Director
$4.41M
@ $1124.26 · 2025-05-12
MASIYIWA STRIVE
Director
$1.13M
@ $1124.26 · 2025-05-12
MATHER ANN
Director
$1.56M
@ $1150.00 · 2025-05-09
WILLEMS CLETUS R
Officer
$339,124
@ $1138.00 · 2025-05-07
HYMAN DAVID A
Officer
$485,817
@ $1143.10 · 2025-05-06
SARANDOS THEODORE ANTHONY JR.
Chief Executive Officer
$2.31M
@ $1140.25 · 2025-05-06
NEUMANN SPENCER ADAM
Chief Financial Officer
$782,915
@ $1141.28 · 2025-05-06
PETERS GREGORY K.
Chief Executive Officer
$2.31M
@ $1141.51 · 2025-05-06
KILGORE LESLIE JEAN
Director
$271,400
@ $1150.00 · 2025-05-02
HASTINGS REED
Director
$30.57M
@ $1133.05 · 2025-05-01
NEUMANN SPENCER ADAM
Chief Financial Officer
$2.95M
@ $1132.38 · 2025-05-01
DOPFNER MATHIAS
Director
$6.69M
@ $1112.65 · 2025-04-30
KARBOWSKI JEFFREY WILLIAM
Officer
$702,106
@ $1097.04 · 2025-04-25
KILGORE LESLIE JEAN
Director
$848,491
@ $1047.52 · 2025-04-23
KARBOWSKI JEFFREY WILLIAM
Officer
$160,000
@ $1000.00 · 2025-04-21
HASTINGS REED
Officer and Director
$23.36M
@ $921.15 · 2025-04-01
NEUMANN SPENCER ADAM
Chief Financial Officer
$2.40M
@ $921.72 · 2025-04-01
KARBOWSKI JEFFREY WILLIAM
Officer
$469,526
@ $978.18 · 2025-03-25
HASTINGS REED
Officer and Director
$29.93M
@ $981.92 · 2025-03-03
NEUMANN SPENCER ADAM
Chief Financial Officer
$2.55M
@ $982.05 · 2025-03-03
KARBOWSKI JEFFREY WILLIAM
Officer
$635,027
@ $992.23 · 2025-02-26
PETERS GREGORY K.
Chief Executive Officer
$4.73M
@ $1035.00 · 2025-02-13
PETERS GREGORY K.
Chief Executive Officer
$5.09M
@ $1030.00 · 2025-02-10
PETERS GREGORY K.
Chief Executive Officer
$14.88M
@ $1020.28 · 2025-02-07
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives.
🎭 Mr. Market's Mood
Learn more →CMCSA
😐Neutral(46/100)
"Market is pricing this stock without strong emotion in either direction"
Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.
NFLX
😨Fear(36/100)
"Market is pessimistic — investigate whether fears are temporary or structural"
Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.
Composite sentiment score based on market signals. Inspired by Buffett’s "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.
⚖️ Buffett Signal
Learn more →CMCSA
⚪Awaiting DCF Data
The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.
DCF Margin of Safety: N/AMr. Market's Mood: Neutral (46)
NFLX
⚪Awaiting DCF Data
The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.
DCF Margin of Safety: N/AMr. Market's Mood: Fear (36)