ANET vs MRK: Which Is the Better Buy?
Side-by-side comparison of Arista Networks, Inc. and Merck & Co., Inc. — fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-04-22.
Arista Networks, Inc. · Technology
$172.86
+82.8% upside to fair value
Grade C
High Quality
VS
Merck & Co., Inc. · Healthcare
$119.07
-4.0% upside to fair value
Grade D
High Quality
QuantHub Verdict
ANET has more upside to fair value
(+82.8%).
MRK trades at a lower forward P/E
(16.2x).
These are model outputs — not personalized investment advice.
See all research →
Valuation & Fundamentals
| Metric |
ANET |
MRK |
| Current Price |
$172.86 |
$119.07 |
| Fair Value Estimate |
$316.03 |
$114.30 |
| Upside to Fair Value |
+82.8%
|
-4.0%
|
| Market Cap |
$217.7B |
$294.4B |
| Forward P/E |
61.9x
|
16.2x
|
| EV / EBITDA |
54.9x
|
12.6x
|
| Price / Sales |
24.2x
|
4.5x
|
| Price / FCF |
51.2x
|
23.8x
|
| Revenue Growth YoY |
+28.9%
|
+5.0%
|
| Gross Margin |
64.1%
|
81.5%
|
| Operating Margin |
42.8%
|
41.2%
|
| Return on Equity |
31.0%
|
36.2%
|
| Dividend Yield |
0% |
0% |
| FCF Yield |
1.95%
|
4.2%
|
| Analyst Consensus |
Strong Buy
|
Hold
|
Investment Thesis
Arista Networks is a leading provider of high-speed data center networking hardware and software, specializing in Ethernet switches and cloud networking solutions. The company benefits from strong revenue growth driven by AI and hyperscale cloud demand, with 28.9% revenue growth and 19.3% earnings growth in the most recent quarter. High margins, including a 64.1% gross margin and 42.8% operating …
Merck & Co., Inc. is a leading global healthcare company specializing in pharmaceuticals, particularly oncology and vaccines. The company benefits from a strong business quality characterized by a durable competitive moat, high gross margins of 81.5%, and a robust return on equity of 36.2%. Despite these strengths, the stock is currently fairly valued but slightly overvalued by 4% relative to its…
Accumulation Zones
| Metric |
ANET |
MRK |
| Zone Low |
$237.02 |
$85.72 |
| Zone High |
$268.63 |
$97.16 |
| In Buy Zone? |
Yes
|
No
|