Compare Stocks › MRK vs NFLX

Merck & Co., Inc. (MRK) vs Netflix, Inc. (NFLX): Which Is the Better Buy in 2026?

As of 2026-11-01, MRK is undervalued at $150, with a DCF intrinsic value of $596 and a margin of safety of 75%. NFLX is undervalued at $62, with an intrinsic value of $121 and a margin of safety of 49%. Of the two, MRK has the wider margin of safety.

MRK
Merck & Co., Inc.
$149.52
VS
NFLX
Netflix, Inc.
$62.08

Rewards

MRK
  • ★Gross margin of 76.9% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • ★Each dollar of retained earnings has created $4.94 of earning power — management is an exceptional capital allocator.
  • ★Management has timed buybacks well — 2 out of 3 years showed value-accretive repurchases.
NFLX
  • ★Netflix, Inc. has maintained ROIC above 10% for 4 consecutive years, suggesting solid business economics.
  • ★Netflix, Inc. scores 85/100 on the Economic Moat Score (Wide Moat), with roic consistency 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

MRK
  • ⚠PEG ratio of 2.82 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • ⚠7 insider sales totaling $30.0M with no purchases in the past 3 months — insiders are reducing their exposure.
  • ⚠Free cash flow has declined at a 5.6% CAGR over the past 4 years — a concerning trend.
NFLX
  • ⚠Buybacks have been poorly timed — 2 out of 3 years involved repurchases at relatively expensive valuations.
  • ⚠8 insider sales totaling $14.3M with no purchases in the past 3 months — insiders are reducing their exposure.

Key Valuation Metrics

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MRK
NFLX
Valuation
N/A
Free Cash Flow
$25.48B
N/A
FCF Yield
9.86%
151.03
Trailing P/E
17.94
16.44
Forward P/E
16.46
Quality & Moat
22.88%
ROIC
29.06%
43.48%
ROE
53.46%
76.91%
Gross Margin
50.69%
2.82
PEG Ratio
0.98
Balance Sheet Safety
1.11
Net Debt / Equity
0.32
N/A
Interest Coverage
N/A
2.93
Net Debt / EBITDA
0.58
2.27%
Dividend Yield
0.00%
MRK: 2Ties: 2NFLX: 6
MRKNFLX

Historical Fundamentals

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MRK

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

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. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

$1 Retained Earnings Test

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MRK
$-1.72
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$12.28B
Δ Market Cap
$-21.09B
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
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

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

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MRK
74.9% Margin of Safety
Price is 74.9% below estimated fair value
Current Price: $149.52
Fair Value: $596.15
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
NFLX
48.6% Margin of Safety
Price is 48.6% below estimated fair value
Current Price: $62.08
Fair Value: $120.79
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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MRK

Requires positive FCF to compute implied growth rate.

NFLX

What growth rate is the market pricing in at $62?

-2.0%
Market-Implied Owner Earnings Growth
Standard FCF implies -1.1%

The market implies -2.0% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding -1.1%, reflecting heavy growth investment expected to generate future returns.

Economic Moat Score

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MRK
68/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with revenue predictability as the key competitive advantage. Improving margin stability would strengthen the moat.

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.
NFLX
85/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat driven primarily by roic consistency. 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

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MRK
-2.31
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

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MRK
Insiders 0.1%Institutions 82.9%Retail & Other 17.1%
No. of Institutional Holders4,903
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 85.4%Retail & Other 14.1%
No. of Institutional Holders4,459
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

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MRK
0
Buys (3M)
0
Buys (12M)
THULIN INGE G
Director
$250,000
@ $88.28 · 2025-02-06
BAKER DOUGLAS M JR
Director
$1.33M
@ $88.50 · 2025-02-05
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

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MRK
7
Sells (3M)
21
Sells (12M)
Total value (12M): $72.01M
GUINDO CHIRFI
Officer
$1.35M
@ $135.00 · 2026-08-13
ZACHARY JENNIFER L
General Counsel
$10.72M
@ $133.46 · 2026-08-12
DELUCA RICHARD ROBERT JR.
Officer
$5.94M
@ $131.12 · 2026-08-12
GUINDO CHIRFI
Officer
$1.97M
@ $131.00 · 2026-08-06
DELUCA RICHARD ROBERT JR.
Officer
$788,773
@ $130.38 · 2026-08-06
MARALDO DAVID R.
Officer
$2.41M
@ $128.72 · 2026-08-05
WILLIAMS DAVID MICHAEL
Chief Technology Officer
$6.81M
@ $128.77 · 2026-08-05
GUINDO CHIRFI
Officer
$1.21M
@ $121.46 · 2026-02-12
LI DEAN Y
Officer
$1.20M
@ $117.52 · 2026-02-10
ZACHARY JENNIFER L
General Counsel
$14.49M
@ $119.15 · 2026-02-09
GUINDO CHIRFI
Officer
$1.18M
@ $118.41 · 2026-02-09
OOSTHUIZEN JOHANNES JACOBUS
Officer
$1.83M
@ $121.87 · 2026-02-06
WILLIAMS DAVID MICHAEL
Chief Technology Officer
$609,525
@ $121.91 · 2026-02-06
DELUCA RICHARD ROBERT JR.
Officer
$4.56M
@ $120.92 · 2026-02-06
GUINDO CHIRFI
Officer
$2.44M
@ $121.88 · 2026-02-05
SMART DALTON E. III
Officer
$765,920
@ $119.67 · 2026-02-04
LITCHFIELD CAROLINE
Chief Financial Officer
$5.02M
@ $119.61 · 2026-02-04
LI DEAN Y
Officer
$1.79M
@ $118.77 · 2026-02-04
DAVIS ROBERT M
Chief Executive Officer
$5.60M
@ $118.04 · 2026-02-04
DOWNING CRISTAL N.
Officer
$616,395
@ $87.00 · 2025-11-10
WILLIAMS DAVID MICHAEL
Chief Technology Officer
$720,040
@ $83.59 · 2025-11-03
SMART DALTON E. III
Officer
$352,723
@ $82.76 · 2025-04-25
OOSTHUIZEN JOHANNES JACOBUS
Officer
$714,745
@ $84.09 · 2025-02-19
WILLIAMS DAVID MICHAEL
Chief Technology Officer
$512,057
@ $85.34 · 2025-02-13
DOWNING CRISTAL N.
Officer
$209,551
@ $88.76 · 2025-02-06
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
NFLX
8
Sells (3M)
36
Sells (12M)
Total value (12M): $357.57M
SMITH BRADFORD LEE
Director
$1.15M
@ $64.03 · 2026-10-26
BARTON RICHARD N
Director
$109,102
@ $75.77 · 2026-09-10
BARTON RICHARD N
Director
$55,872
@ $77.60 · 2026-09-08
NEUMANN SPENCER ADAM
Chief Financial Officer
$700,907
@ $75.79 · 2026-08-10
PETERS GREGORY K.
Chief Executive Officer
$2.01M
@ $73.54 · 2026-08-06
BARTON RICHARD N
Director
$162,216
@ $75.10 · 2026-08-05
HYMAN DAVID A
Officer
$416,899
@ $72.85 · 2026-08-04
SARANDOS THEODORE ANTHONY JR.
Chief Executive Officer
$9.73M
@ $73.10 · 2026-08-04
SMITH BRADFORD LEE
Director
$2.79M
@ $77.52 · 2026-06-17
HASTINGS REED
Director
$33.24M
@ $85.97 · 2026-06-01
PETERS GREGORY K.
Chief Executive Officer
$2.42M
@ $88.69 · 2026-05-07
NEUMANN SPENCER ADAM
Chief Financial Officer
$823,075
@ $88.95 · 2026-05-07
HYMAN DAVID A
Officer
$504,021
@ $88.08 · 2026-05-05
SARANDOS THEODORE ANTHONY JR.
Chief Executive Officer
$2.40M
@ $87.97 · 2026-05-05
HASTINGS REED
Director
$37.96M
@ $93.13 · 2026-05-01
NEUMANN SPENCER ADAM
Chief Financial Officer
$2.81M
@ $98.00 · 2026-04-02
HASTINGS REED
Director
$40.16M
@ $95.49 · 2026-04-01
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
PETERS GREGORY K.
Chief Executive Officer
$2.27M
@ $83.24 · 2026-02-10
WILLEMS CLETUS R
Officer
$259,253
@ $82.67 · 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
KILGORE LESLIE JEAN
Director
$273,480
@ $1290.00 · 2025-06-25
KARBOWSKI JEFFREY WILLIAM
Officer
$797,841
@ $1286.84 · 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
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 →
MRK
FearGreed
😏Greed(65/100)

"Market is optimistic — be cautious and ensure you have a margin of safety"

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
FearGreed
😨Fear(30/100)

"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 →
MRK
⚪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: Greed (65)
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 (30)
View MRK Full AnalysisView NFLX Full Analysis

Frequently Asked Questions: MRK vs NFLX

Is Merck & Co., Inc. or Netflix, Inc. more undervalued in 2026?▼

Based on our discounted cash flow model, MRK trades at a 74.9% margin of safety (intrinsic value $596 vs. price $150), compared to NFLX's 48.6% margin of safety (intrinsic $121 vs. $62).

Which stock has a wider economic moat, Merck & Co., Inc. or Netflix, Inc.?▼

NFLX scores 85/100 (Wide moat), while MRK scores 68/100 (Narrow moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Which stock has higher return on invested capital, Merck & Co., Inc. or Netflix, Inc.?▼

NFLX earns 29.1% ROIC versus MRK's 22.9%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.

MRK vs NFLX: Which Is the Better Buy in 2026? | SafetyMargin.io