ANET vs UNH: Which Is the Better Buy?

Side-by-side comparison of Arista Networks, Inc. and UnitedHealth Group Incorporated β€” fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-09-24.
Arista Networks, Inc. Β· Technology
$203.47
+15.4% upside to fair value
Med Conviction Grade C High Quality
VS
UnitedHealth Group Incorporated Β· Healthcare
$375.21
+28.2% upside to fair value
Med Conviction Grade B High Quality
QuantHub Verdict
UNH has more upside to fair value (+28.2%). These are model outputs β€” not personalized investment advice. See all research β†’
Valuation & Fundamentals
Metric ANET UNH
Current Price $203.47 $375.21
Fair Value Estimate $234.80 $481.06
Upside to Fair Value +15.4% +28.2%
Market Cap $256.2B $340.7B
Forward P/E β€” β€”
EV / EBITDA 49.7x 15.0x
Price / Sales 24.3x 0.8x
Price / FCF 49.7x 14.4x
Revenue Growth YoY +37.7% +0.4%
Gross Margin 63.0% 22.5%
Operating Margin 43.1% 4.8%
Return on Equity 30.8% 14.6%
Dividend Yield 0% 2.41%
FCF Yield 2.01% 6.95%
Analyst Consensus Strong Buy Strong Buy
Investment Thesis
ANET β€” Arista Networks, Inc.
Arista Networks designs and sells high-performance Ethernet switching and routing hardware plus its extensible EOS network operating system, and it sits directly in the path of the AI data-center build-out where networking, not compute, is increasingly the bottleneck. The business quality is genuinely high: TTM gross margin of 63.0%, TTM operating margin of 43.1%, TTM net margin of 38.4%, and ROE…
UNH β€” UnitedHealth Group Incorporated
UnitedHealth Group is the largest diversified healthcare enterprise in the United States, operating UnitedHealthcare insurance plans alongside Optum Health, Optum Insight, and Optum Rx, with 390,000 employees and a market capitalization of $340.74 billion. The business quality is high: a 14.6% return on equity, $26.07 in free cash flow per share, and a P/FCF of 14.39 demonstrate strong cash gener…
Accumulation Zones
Metric ANET UNH
Zone Low $176.10 $360.80
Zone High $199.58 $408.90
In Buy Zone? No Yes
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