ANET vs MRK: Which Is the Better Buy?

Side-by-side comparison of Arista Networks, Inc. and Merck & Co., Inc. β€” fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-07-06.
Arista Networks, Inc. Β· Technology
$169.86
+22.0% upside to fair value
Grade B High Quality
VS
Merck & Co., Inc. Β· Healthcare
$113.87
-12.1% upside to fair value
Grade D High Quality
QuantHub Verdict
ANET has more upside to fair value (+22.0%). MRK trades at a lower forward P/E (32.0x). These are model outputs β€” not personalized investment advice. See all research β†’
Valuation & Fundamentals
Metric ANET MRK
Current Price $169.86 $113.87
Fair Value Estimate $207.23 $100.14
Upside to Fair Value +22.0% -12.1%
Market Cap $213.9B $281.2B
Forward P/E 56.5x 32.0x
EV / EBITDA 44.7x 17.3x
Price / Sales 21.7x 4.3x
Price / FCF 39.9x 19.9x
Revenue Growth YoY +35.1% +4.3%
Gross Margin 63.5% 75.9%
Operating Margin 42.8% 27.6%
Return on Equity 30.6% 17.9%
Dividend Yield 0% 0%
FCF Yield 2.51% 5.02%
Analyst Consensus Strong Buy Hold
Investment Thesis
ANET β€” Arista Networks, Inc.
Arista Networks is a leading provider of cloud and AI data-center switching solutions with a durable competitive moat driven by its strong presence among hyperscale cloud customers and AI networking providers. The company benefits from a seasoned management team led by founding CEO Jayshree V. Ullal, who has over 17 years at the helm and deep domain expertise. Arista's financials show robust grow…
MRK β€” Merck & Co., Inc.
Merck & Co., Inc. is a leading global healthcare company specializing in pharmaceuticals, vaccines, and animal health products. Its business quality is high, supported by a durable competitive moat anchored in the dominant global position of Keytruda in PD-1/PD-L1 oncology, a strong vaccines portfolio including Gardasil, and scale in R&D and manufacturing. The company benefits from a seasoned lea…
Accumulation Zones
Metric ANET MRK
Zone Low $155.42 $75.11
Zone High $176.15 $85.12
In Buy Zone? Yes No
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