COST vs SNDK: Which Is the Better Buy?
Side-by-side comparison of Costco Wholesale Corporation and Sandisk Corporation — fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-08-06.
Costco Wholesale Corporation · Consumer Defensive
$947.50
-1.4% upside to fair value
Grade C
High Quality
VS
Sandisk Corporation · Technology
$1,350.50
+22.2% upside to fair value
Med Conviction
Grade B-
QuantHub Verdict
SNDK has more upside to fair value
(+22.2%).
SNDK trades at a lower forward P/E
(6.6x).
These are model outputs — not personalized investment advice.
See all research →
Valuation & Fundamentals
| Metric |
COST |
SNDK |
| Current Price |
$947.50 |
$1,350.50 |
| Fair Value Estimate |
$933.84 |
$1,650.00 |
| Upside to Fair Value |
-1.4%
|
+22.2%
|
| Market Cap |
$420.2B |
$200.0B |
| Forward P/E |
47.6x
|
6.6x
|
| EV / EBITDA |
28.3x
|
25.0x
|
| Price / Sales |
1.4x
|
9.8x
|
| Price / FCF |
47.7x
|
17.3x
|
| Revenue Growth YoY |
+11.6%
|
+174.0%
|
| Gross Margin |
12.9%
|
71.5%
|
| Operating Margin |
3.8%
|
62.0%
|
| Return on Equity |
28.3%
|
44.0%
|
| Dividend Yield |
0% |
0.0% |
| FCF Yield |
2.1%
|
5.8%
|
| Analyst Consensus |
Buy
|
Buy
|
Investment Thesis
Costco Wholesale Corporation operates as a membership-only warehouse club offering a wide range of merchandise at low prices. The company exhibits high business quality with a durable competitive moat driven by cost advantages, strong brand loyalty, and efficient operations, reflected in a robust ROE of 28.3% and solid revenue growth of 11.6% in the most recent quarter. Despite these strengths, t…
SanDisk is a pure-play on NAND flash memory, spun out of Western Digital in February 2025, and has become one of the defining beneficiaries of the AI storage supercycle. An acute shortage of high-performance enterprise SSDs for AI training and inference has driven NAND pricing sharply higher, taking gross margin from under 30% in fiscal Q1 to roughly 85% in fiscal Q4 2026 and lifting the stock mo…
Accumulation Zones
| Metric |
COST |
SNDK |
| Zone Low |
$700.38 |
$1,240.00 |
| Zone High |
$793.76 |
$1,400.00 |
| In Buy Zone? |
No
|
Yes
|