UNH vs VST: Which Is the Better Buy?
Side-by-side comparison of UnitedHealth Group Incorporated and Vistra Corp. — fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-08-06.
UnitedHealth Group Incorporated · Healthcare
$423.38
+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
UNH 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 |
UNH |
VST |
| Current Price |
$423.38 |
$140.58 |
| Fair Value Estimate |
$613.90 |
$170.00 |
| Upside to Fair Value |
+45.0%
|
+20.9%
|
| Market Cap |
$384.5B |
$47.4B |
| Forward P/E |
27.2x
|
15.4x
|
| EV / EBITDA |
13.8x
|
9.3x
|
| Price / Sales |
0.8x
|
2.9x
|
| Price / FCF |
19.6x
|
42.5x
|
| Revenue Growth YoY |
+0.4%
|
+20.0%
|
| Gross Margin |
18.8%
|
12.7%
|
| Operating Margin |
4.2%
|
2.1%
|
| Return on Equity |
12.4%
|
35.0%
|
| Dividend Yield |
0% |
0.65% |
| FCF Yield |
5.12%
|
2.4%
|
| Analyst Consensus |
Strong Buy
|
Strong Buy
|
Investment Thesis
UnitedHealth Group Incorporated operates in the healthcare sector, specifically within medical and healthcare plans, providing a durable business model supported by a strong competitive moat and consistent earnings growth. The company currently trades at a price of $423.38 with a market cap of $359.873 billion, reflecting a valuation that is cheap relative to its five-year history, supported by a…
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 |
UNH |
VST |
| Zone Low |
$460.42 |
$128.00 |
| Zone High |
$521.81 |
$145.00 |
| In Buy Zone? |
Yes
|
Yes
|