ISRG vs SNDK: Which Is the Better Buy?
Side-by-side comparison of Intuitive Surgical, Inc. and Sandisk Corporation — fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-08-06.
Intuitive Surgical, Inc. · Healthcare
$388.97
+45.0% upside to fair value
Grade B
High Quality
VS
Sandisk Corporation · Technology
$1,350.50
+22.2% upside to fair value
Med Conviction
Grade B-
QuantHub Verdict
ISRG has more upside to fair value
(+45.0%).
SNDK trades at a lower forward P/E
(6.6x).
These are model outputs — not personalized investment advice.
See all research →
Valuation & Fundamentals
| Metric |
ISRG |
SNDK |
| Current Price |
$388.97 |
$1,350.50 |
| Fair Value Estimate |
$564.01 |
$1,650.00 |
| Upside to Fair Value |
+45.0%
|
+22.2%
|
| Market Cap |
$137.8B |
$200.0B |
| Forward P/E |
46.5x
|
6.6x
|
| EV / EBITDA |
31.4x
|
25.0x
|
| Price / Sales |
13.0x
|
9.8x
|
| Price / FCF |
48.6x
|
17.3x
|
| Revenue Growth YoY |
+23.0%
|
+174.0%
|
| Gross Margin |
66.3%
|
71.5%
|
| Operating Margin |
30.5%
|
62.0%
|
| Return on Equity |
17.0%
|
44.0%
|
| Dividend Yield |
0% |
0.0% |
| FCF Yield |
2.06%
|
5.8%
|
| Analyst Consensus |
Strong Buy
|
Buy
|
Investment Thesis
Intuitive Surgical, Inc. operates in the healthcare sector, specializing in medical devices with a strong focus on robotic-assisted surgery systems. The company demonstrates high business quality with a durable competitive moat supported by a 17.0% return on equity, robust gross margin of 66.3%, and solid operating margin of 30.5%. Revenue and earnings growth in the most recent quarter were impre…
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 |
ISRG |
SNDK |
| Zone Low |
$423.01 |
$1,240.00 |
| Zone High |
$479.41 |
$1,400.00 |
| In Buy Zone? |
Yes
|
Yes
|