DDOG vs VST: Which Is the Better Buy?
Side-by-side comparison of Datadog, Inc. and Vistra Corp. — 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
Vistra Corp. · Utilities
$140.67
-23.0% 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.
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Valuation & Fundamentals
| Metric |
DDOG |
VST |
| Current Price |
$256.92 |
$140.67 |
| Fair Value Estimate |
$330.72 |
$108.27 |
| Upside to Fair Value |
+28.7%
|
-23.0%
|
| Market Cap |
$91.5B |
$47.4B |
| Forward P/E |
—
|
—
|
| EV / EBITDA |
350.6x
|
10.3x
|
| Price / Sales |
23.1x
|
3.0x
|
| Price / FCF |
78.9x
|
34.7x
|
| Revenue Growth YoY |
+35.6%
|
-5.5%
|
| Gross Margin |
79.5%
|
13.0%
|
| Operating Margin |
0.4%
|
2.3%
|
| Return on Equity |
4.6%
|
41.5%
|
| Dividend Yield |
0% |
0.65% |
| FCF Yield |
1.27%
|
2.88%
|
| Analyst Consensus |
Strong Buy
|
Strong 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…
Vistra Corp. is a vertically integrated independent power producer and retail electricity supplier operating roughly 38,700 megawatts of generation across natural gas, nuclear, coal, solar, and battery storage, serving about 4.3 million retail customers in 20 states and the District of Columbia. The business quality is mixed: the diversified PJM and ERCOT fleet plus retail load is a genuine struc…
Accumulation Zones
| Metric |
DDOG |
VST |
| Zone Low |
$248.04 |
$81.20 |
| Zone High |
$281.11 |
$92.03 |
| In Buy Zone? |
Yes
|
No
|