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 2026-08-06.
Datadog, Inc. · Technology
$261.09
+45.0% upside to fair value
Grade B
High Quality
VS
Vistra Corp. · Utilities
$140.58
+20.9% upside to fair value
Med Conviction
Grade B
QuantHub Verdict
DDOG has more upside to fair value
(+45.0%).
VST trades at a lower forward P/E
(15.4x).
These are model outputs — not personalized investment advice.
See all research →
Valuation & Fundamentals
| Metric |
DDOG |
VST |
| Current Price |
$261.09 |
$140.58 |
| Fair Value Estimate |
$378.58 |
$170.00 |
| Upside to Fair Value |
+45.0%
|
+20.9%
|
| Market Cap |
$92.9B |
$47.4B |
| Forward P/E |
678.5x
|
15.4x
|
| EV / EBITDA |
410.4x
|
9.3x
|
| Price / Sales |
25.3x
|
2.9x
|
| Price / FCF |
86.1x
|
42.5x
|
| Revenue Growth YoY |
+32.2%
|
+20.0%
|
| Gross Margin |
79.9%
|
12.7%
|
| Operating Margin |
-0.7%
|
2.1%
|
| Return on Equity |
3.8%
|
35.0%
|
| Dividend Yield |
0% |
0.65% |
| FCF Yield |
1.16%
|
2.4%
|
| Analyst Consensus |
Strong Buy
|
Strong Buy
|
Investment Thesis
Datadog, Inc. is a leading provider of cloud-scale monitoring and analytics software for developers, IT operations teams, and business users in the technology sector. The company exhibits strong business quality with a durable competitive moat supported by high gross margins of 79.9% and rapid revenue growth of 32.2% in the most recent quarter. Despite this, the stock trades at a very high valuat…
Vistra is an integrated merchant power producer and retail electricity supplier with roughly 38,700 MW of generation across natural gas, nuclear, coal, solar and battery storage, plus a roughly 4.3 million customer retail book (TXU and affiliated brands) across 20 states. The 2024 Energy Harbor deal made it the second-largest nuclear operator in the US, and that nuclear and gas fleet is now centr…
Accumulation Zones
| Metric |
DDOG |
VST |
| Zone Low |
$283.94 |
$128.00 |
| Zone High |
$321.79 |
$145.00 |
| In Buy Zone? |
Yes
|
Yes
|