Compare StocksMRK vs NOW

Merck & Company, Inc. (MRK) vs ServiceNow, Inc. (NOW): Which Is the Better Buy in 2026?

As of 2026-08-03, MRK is undervalued at $130, with a DCF intrinsic value of $1474147659576 and a margin of safety of 100%. NOW is overvalued at $111, with an intrinsic value of $84 and a margin of safety of -33%. Of the two, MRK has the wider margin of safety.

MRK
Merck & Company, Inc.
$130.20
VS
NOW
ServiceNow, Inc.
$111.23

Rewards

MRK
  • Gross margin of 76.7% 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.
NOW
  • Gross margin of 74.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Free cash flow has grown at a 27.8% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • Each dollar of retained earnings has created $3.22 of earning power — management is an exceptional capital allocator.

Risks

MRK
  • PEG ratio of 12.06 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • 14 insider sales with no purchases over the past 12 months — a persistent pattern of insider selling.
  • Free cash flow has declined at a 5.6% CAGR over the past 4 years — a concerning trend.
NOW
  • Despite buyback spending, shares outstanding increased in 3 out of 3 years — stock-based compensation is offsetting repurchases.
  • 5 insider sales totaling $1.9M with no purchases in the past 3 months — insiders are reducing their exposure.

Key Valuation Metrics

Learn more →
MRK
NOW
Valuation
$14.05B
Free Cash Flow
$5.15B
N/A
FCF Yield
4.48%
36.68
Trailing P/E
69.52
13.45
Forward P/E
22.22
Quality & Moat
21.10%
ROIC
2.26%
18.94%
ROE
14.24%
76.73%
Gross Margin
74.77%
12.06
PEG Ratio
0.99
Balance Sheet Safety
0.95
Net Debt / Equity
0.30
N/A
Interest Coverage
N/A
1.47
Net Debt / EBITDA
1.31
2.61%
Dividend Yield
0.00%
MRK: 6Ties: 2NOW: 3
MRKNOW

Historical Fundamentals

Learn more →
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.

NOW

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

Learn more →
MRK
$-0.00
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$12.28B
Δ Market Cap
$-5.69
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
NOW
$16.65
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$4.90B
Δ Market Cap
+$81.66B
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

Learn more →
MRK
100.0% Margin of Safety
Price is 100.0% below estimated fair value
Current Price: $130.20
Fair Value: $1474147659576.45
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
NOW
32.5% Overvalued
Price is 32.5% above estimated fair value
Current Price: $111.23
Fair Value: $83.93
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

Learn more →
MRK

What growth rate is the market pricing in at $130?

-26.9%
Market-Implied Owner Earnings Growth
Standard FCF implies -20.2%

The market implies -26.9% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding -20.2%, reflecting heavy growth investment expected to generate future returns.

NOW

What growth rate is the market pricing in at $111?

+24.4%
Market-Implied Owner Earnings Growth
Standard FCF implies +9.7%

The market implies +24.4% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding +9.7%, reflecting heavy growth investment expected to generate future returns.

Economic Moat Score

Learn more →
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.
NOW
61/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with revenue predictability as the key competitive advantage. Improving roic consistency 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 5 years of fundamental data.

Forensic Accounting

Learn more →
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.
NOW
-2.87
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.

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 →
MRK
Insiders 0.1%Institutions 82.1%Retail & Other 17.8%
No. of Institutional Holders4,770
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.
NOW
Insiders 0.2%Institutions 88.9%Retail & Other 11.0%
No. of Institutional Holders3,078
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 →
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
NOW
0
Buys (3M)
1
Buys (12M)
Total value (12M): $3.00M
MCDERMOTT WILLIAM R
Chief Executive Officer
$3.00M
@ $104.60 · 2026-02-27
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 →
MRK
0
Sells (3M)
14
Sells (12M)
Total value (12M): $42.04M
GUINDO CHIRFI
Officer
$1.21M
@ $121.46 · 2026-02-12
LI DEAN Y
Officer
$1.20M
@ $117.52 · 2026-02-10
GUINDO CHIRFI
Officer
$1.18M
@ $118.41 · 2026-02-09
ZACHARY JENNIFER L
General Counsel
$14.49M
@ $119.15 · 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
LI DEAN Y
Officer
$1.79M
@ $118.77 · 2026-02-04
LITCHFIELD CAROLINE
Chief Financial Officer
$5.02M
@ $119.61 · 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
NOW
5
Sells (3M)
37
Sells (12M)
Total value (12M): $23.37M
BRIGGS TERESA
Director
$173,376
@ $108.70 · 2026-05-28
FIPPS PAUL G.
Officer
$103,238
@ $98.51 · 2026-05-18
SANDS ANITA M
Director
$1.48M
@ $90.14 · 2026-05-14
CHAMBERLAIN PAUL EDWARD
Director
$130,845
@ $87.23 · 2026-05-14
FIPPS PAUL G.
Officer
$13,661
@ $90.47 · 2026-05-08
CANNEY JACQUELINE P
Officer
$799,868
@ $89.60 · 2026-04-24
FIPPS PAUL G.
Officer
$376,142
@ $101.77 · 2026-02-23
FIPPS PAUL G.
Officer
$1.02M
@ $105.93 · 2026-02-18
MCBRIDE KEVIN THOMAS
Officer
$147,994
@ $105.71 · 2026-02-13
CHAMBERLAIN PAUL EDWARD
Director
$151,755
@ $101.17 · 2026-02-12
MASTANTUONO GINA
President
$352,750
@ $850.00 · 2025-12-05
MASTANTUONO GINA
President
$336,936
@ $808.00 · 2025-11-28
JACKSON LAWRENCE
Director
$214,708
@ $810.22 · 2025-11-28
CHAMBERLAIN PAUL EDWARD
Director
$242,400
@ $808.00 · 2025-11-28
ELMER RUSSELL S.
General Counsel
$160,155
@ $838.51 · 2025-11-18
CANNEY JACQUELINE P
Officer
$200,549
@ $839.12 · 2025-11-18
FIPPS PAUL G.
Officer
$249,353
@ $817.55 · 2025-11-18
TZITZON NICHOLAS
Officer
$431,736
@ $827.08 · 2025-11-18
MCBRIDE KEVIN THOMAS
Officer
$235,894
@ $842.48 · 2025-11-14
ELMER RUSSELL S.
General Counsel
$52,848
@ $852.39 · 2025-11-13
CANNEY JACQUELINE P
Officer
$56,257
@ $852.38 · 2025-11-13
ELMER RUSSELL S.
General Counsel
$164,997
@ $863.86 · 2025-11-10
CANNEY JACQUELINE P
Officer
$222,012
@ $863.86 · 2025-11-10
SANDS ANITA M
Director
$1.00M
@ $915.11 · 2025-08-29
MCDERMOTT WILLIAM R
Chief Executive Officer
$5.34M
@ $916.63 · 2025-08-28
ELMER RUSSELL S.
General Counsel
$1.50M
@ $884.26 · 2025-08-20
FIPPS PAUL G.
Officer
$1.30M
@ $895.32 · 2025-08-20
MCDERMOTT WILLIAM R
Chief Executive Officer
$1.43M
@ $900.00 · 2025-08-19
MASTANTUONO GINA
President
$1.53M
@ $866.45 · 2025-08-18
CANNEY JACQUELINE P
Officer
$1.35M
@ $866.45 · 2025-08-18
TZITZON NICHOLAS
Officer
$1.49M
@ $866.45 · 2025-08-18
MCBRIDE KEVIN THOMAS
Officer
$238,496
@ $851.77 · 2025-08-15
CHAMBERLAIN PAUL EDWARD
Director
$258,000
@ $860.00 · 2025-08-14
MASTANTUONO GINA
President
$72,288
@ $860.57 · 2025-08-13
CANNEY JACQUELINE P
Officer
$57,658
@ $860.57 · 2025-08-13
MASTANTUONO GINA
President
$256,490
@ $878.39 · 2025-08-08
CANNEY JACQUELINE P
Officer
$225,746
@ $878.39 · 2025-08-08
JACKSON LAWRENCE
Director
$749,805
@ $990.50 · 2025-07-29
CANNEY JACQUELINE P
Officer
$341,631
@ $965.06 · 2025-07-16
SANDS ANITA M
Director
$250,950
@ $1050.00 · 2025-07-03
MCBRIDE KEVIN THOMAS
Officer
$283,310
@ $1011.82 · 2025-06-03
SANDS ANITA M
Director
$250,267
@ $1009.14 · 2025-06-02
MCDERMOTT WILLIAM R
Chief Executive Officer
$2.07M
@ $1012.01 · 2025-05-30
CANNEY JACQUELINE P
Officer
$147,900
@ $1020.00 · 2025-05-30
TZITZON NICHOLAS
Officer
$1.19M
@ $1020.00 · 2025-05-30
SANDS ANITA M
Director
$433,825
@ $1013.61 · 2025-05-27
BRIGGS TERESA
Director
$216,913
@ $1013.61 · 2025-05-27
LUDDY FREDERIC B
Director
$428,000
@ $1000.00 · 2025-05-23
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(67/100)

"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.
NOW
FearGreed
😨Fear(35/100)

"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 (67)
NOW
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 (35)
View MRK Full AnalysisView NOW Full Analysis

Frequently Asked Questions: MRK vs NOW

Is Merck & Company, Inc. or ServiceNow, Inc. more undervalued in 2026?

Based on our discounted cash flow model, MRK trades at a 100.0% margin of safety (intrinsic value $1474147659576 vs. price $130), compared to NOW's -32.5% margin of safety (intrinsic $84 vs. $111).

Which stock has a wider economic moat, Merck & Company, Inc. or ServiceNow, Inc.?

MRK scores 68/100 (Narrow moat), while NOW scores 61/100 (Narrow moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Is Merck & Company, Inc. in financial distress?

MRK's Altman Z-Score of 1.9 places it in the Grey zone, signaling elevated bankruptcy risk. NOW scores 8.4 (Safe zone). The Altman Z-Score is a five-factor model that predicts insolvency within two years; scores below 1.81 indicate significant distress.

Which stock has higher return on invested capital, Merck & Company, Inc. or ServiceNow, Inc.?

MRK earns 21.1% ROIC versus NOW's 2.3%. 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 NOW: Which Is the Better Buy in 2026? | SafetyMargin.io