AMZN vs VST: Which Is the Better Buy?
Side-by-side comparison of Amazon.com, Inc. and Vistra Corp. — fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-09-19.
Amazon.com, Inc. · Consumer Cyclical
$251.19
+18.5% upside to fair value
Med Conviction
Grade B
High Quality
VS
Vistra Corp. · Utilities
$140.67
-23.0% upside to fair value
Med Conviction
Grade C
QuantHub Verdict
AMZN has more upside to fair value
(+18.5%).
These are model outputs — not personalized investment advice.
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Valuation & Fundamentals
| Metric |
AMZN |
VST |
| Current Price |
$251.19 |
$140.67 |
| Fair Value Estimate |
$297.67 |
$108.27 |
| Upside to Fair Value |
+18.5%
|
-23.0%
|
| Market Cap |
$2,702.1B |
$47.4B |
| Forward P/E |
—
|
—
|
| EV / EBITDA |
11.2x
|
10.3x
|
| Price / Sales |
3.5x
|
3.0x
|
| Price / FCF |
—
|
34.7x
|
| Revenue Growth YoY |
+19.6%
|
-5.5%
|
| Gross Margin |
50.8%
|
13.0%
|
| Operating Margin |
12.1%
|
2.3%
|
| Return on Equity |
30.5%
|
41.5%
|
| Dividend Yield |
0% |
0.65% |
| FCF Yield |
—
|
2.88%
|
| Analyst Consensus |
Strong Buy
|
Strong Buy
|
Investment Thesis
Amazon.com operates a vast global retail enterprise spanning online and physical stores, third-party seller services, advertising, subscription offerings, and Amazon Web Services, the world's largest cloud infrastructure provider. The business quality is high: trailing-twelve-month gross margin of 50.8%, operating margin of 12.1%, and net margin of 17.4% reflect a durable mix shift toward high-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 |
AMZN |
VST |
| Zone Low |
$223.25 |
$81.20 |
| Zone High |
$253.02 |
$92.03 |
| In Buy Zone? |
Yes
|
No
|