CAT vs DDOG: Which Is the Better Buy?
Side-by-side comparison of Caterpillar Inc. and Datadog, Inc. — fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-09-25.
Caterpillar Inc. · Industrials
$808.99
-2.2% upside to fair value
Med Conviction
Grade C
High Quality
VS
Datadog, Inc. · 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 — not personalized investment advice.
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Valuation & Fundamentals
| Metric |
CAT |
DDOG |
| Current Price |
$808.99 |
$256.92 |
| Fair Value Estimate |
$790.88 |
$330.72 |
| Upside to Fair Value |
-2.2%
|
+28.7%
|
| Market Cap |
$372.6B |
$91.5B |
| Forward P/E |
—
|
—
|
| EV / EBITDA |
23.6x
|
350.6x
|
| Price / Sales |
5.0x
|
23.1x
|
| Price / FCF |
41.4x
|
78.9x
|
| Revenue Growth YoY |
+24.0%
|
+35.6%
|
| Gross Margin |
33.9%
|
79.5%
|
| Operating Margin |
17.5%
|
0.4%
|
| Return on Equity |
54.1%
|
4.6%
|
| Dividend Yield |
0.76% |
0% |
| FCF Yield |
2.41%
|
1.27%
|
| Analyst Consensus |
Buy
|
Strong Buy
|
Investment Thesis
Caterpillar is the world's premier manufacturer of heavy construction and mining equipment, diesel and natural gas power units, and industrial gas turbines, organized across Construction Industries, Resource Industries, Energy & Transportation, and Financial Products, with 118,000 employees and a century-old brand. Business quality is high: return on equity of 54.1%, TTM operating margin of 17.5%…
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…
Accumulation Zones
| Metric |
CAT |
DDOG |
| Zone Low |
$593.16 |
$248.04 |
| Zone High |
$672.25 |
$281.11 |
| In Buy Zone? |
No
|
Yes
|