DDOG vs MRK: Which Is the Better Buy?
Side-by-side comparison of Datadog, Inc. and Merck & Co., Inc. — fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-09-25.
Datadog, Inc. · Technology
$256.92
+28.7% upside to fair value
Med Conviction
Grade C
High Quality
VS
Merck & Co., Inc. · Healthcare
$147.17
-4.1% upside to fair value
Med Conviction
Grade C
QuantHub Verdict
DDOG has more upside to fair value
(+28.7%).
These are model outputs — not personalized investment advice.
See all research →
Valuation & Fundamentals
| Metric |
DDOG |
MRK |
| Current Price |
$256.92 |
$147.17 |
| Fair Value Estimate |
$330.72 |
$141.07 |
| Upside to Fair Value |
+28.7%
|
-4.1%
|
| Market Cap |
$91.5B |
$363.5B |
| Forward P/E |
—
|
—
|
| EV / EBITDA |
350.6x
|
29.6x
|
| Price / Sales |
23.1x
|
5.5x
|
| Price / FCF |
78.9x
|
22.6x
|
| Revenue Growth YoY |
+35.6%
|
+5.1%
|
| Gross Margin |
79.5%
|
75.4%
|
| Operating Margin |
0.4%
|
16.7%
|
| Return on Equity |
4.6%
|
6.6%
|
| Dividend Yield |
0% |
2.31% |
| FCF Yield |
1.27%
|
4.42%
|
| Analyst Consensus |
Strong Buy
|
Buy
|
Investment Thesis
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 ma…
Merck & Co., Inc. is a global healthcare leader with two core divisions, Pharmaceuticals and Animal Health, spanning oncology, vaccines, acute hospital care, immunology, neuroscience, virology, cardiovascular and diabetes, and it employs roughly 74,000 people under CEO Robert Davis. The business quality is medium: TTM gross margin of 75.4% and TTM operating margin of 16.7% reflect a genuinely hig…
Accumulation Zones
| Metric |
DDOG |
MRK |
| Zone Low |
$248.04 |
$105.80 |
| Zone High |
$281.11 |
$119.91 |
| In Buy Zone? |
Yes
|
No
|