DDOG vs ISRG: Which Is the Better Buy?

Side-by-side comparison of Datadog, Inc. and Intuitive Surgical, Inc. โ€” fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-09-25.
Datadog, Inc. ยท Technology
$256.92
+28.7% upside to fair value
Med Conviction Grade C High Quality
VS
Intuitive Surgical, Inc. ยท Healthcare
$399.52
+22.4% upside to fair value
Med Conviction Grade B 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 DDOG ISRG
Current Price $256.92 $399.52
Fair Value Estimate $330.72 $488.97
Upside to Fair Value +28.7% +22.4%
Market Cap $91.5B $141.1B
Forward P/E โ€” โ€”
EV / EBITDA 350.6x 30.7x
Price / Sales 23.1x 12.8x
Price / FCF 78.9x 44.0x
Revenue Growth YoY +35.6% +18.5%
Gross Margin 79.5% 66.7%
Operating Margin 0.4% 31.3%
Return on Equity 4.6% 17.8%
Dividend Yield 0% 0%
FCF Yield 1.27% 2.28%
Analyst Consensus Strong Buy Strong Buy
Investment Thesis
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
ISRG โ€” Intuitive Surgical, Inc.
Intuitive Surgical develops, produces, and commercializes the da Vinci surgical system and the Ion endoluminal system, along with instruments, accessories, training, and digital solutions that drive a large installed-base and recurring-revenue model. Business quality is high: TTM gross margin of 66.7%, operating margin of 31.3%, net margin of 28.4%, ROE of 17.8%, and revenue growth of 18.5% with โ€ฆ
Accumulation Zones
Metric DDOG ISRG
Zone Low $248.04 $366.73
Zone High $281.11 $415.62
In Buy Zone? Yes Yes
โ† DDOG Research    ISRG Research โ†’    All Research