AMZN vs DDOG: Which Is the Better Buy?

Side-by-side comparison of Amazon.com, Inc. and Datadog, Inc. โ€” fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-09-25.
Amazon.com, Inc. ยท Consumer Cyclical
$251.19
+18.5% upside to fair value
Med Conviction Grade B High Quality
VS
Datadog, Inc. ยท Technology
$256.92
+28.7% upside to fair value
Med Conviction Grade C High Quality
QuantHub Verdict
DDOG has more upside to fair value (+28.7%). These are model outputs โ€” not personalized investment advice. See all research โ†’
Valuation & Fundamentals
Metric AMZN DDOG
Current Price $251.19 $256.92
Fair Value Estimate $297.67 $330.72
Upside to Fair Value +18.5% +28.7%
Market Cap $2,702.1B $91.5B
Forward P/E โ€” โ€”
EV / EBITDA 11.2x 350.6x
Price / Sales 3.5x 23.1x
Price / FCF โ€” 78.9x
Revenue Growth YoY +19.6% +35.6%
Gross Margin 50.8% 79.5%
Operating Margin 12.1% 0.4%
Return on Equity 30.5% 4.6%
Dividend Yield 0% 0%
FCF Yield โ€” 1.27%
Analyst Consensus Strong Buy Strong Buy
Investment Thesis
AMZN โ€” Amazon.com, Inc.
Amazon.com operates a vast global retail enterprise spanning online and physical stores, third-party seller services, advertising, subscription offerings, and Amazon Web Services, the world's largest cloud infrastructure provider. The business quality is high: trailing-twelve-month gross margin of 50.8%, operating margin of 12.1%, and net margin of 17.4% reflect a durable mix shift toward high-maโ€ฆ
DDOG โ€” Datadog, Inc.
Datadog is a cloud observability platform that unifies infrastructure monitoring, application performance management, log management, security, and incident response into a single SaaS offering used by developers and IT operations teams across North America and internationally. The business quality is high on the top line: revenue grew 35.6% year over year in the most recent quarter, TTM gross maโ€ฆ
Accumulation Zones
Metric AMZN DDOG
Zone Low $223.25 $248.04
Zone High $253.02 $281.11
In Buy Zone? Yes Yes
โ† AMZN Research    DDOG Research โ†’    All Research