ISRG vs TSLA: Which Is the Better Buy?
Side-by-side comparison of Intuitive Surgical, Inc. and Tesla, Inc. — fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-09-26.
Intuitive Surgical, Inc. · Healthcare
$399.52
+22.4% upside to fair value
Med Conviction
Grade B
High Quality
VS
Tesla, Inc. · Consumer Cyclical
$372.11
+45.0% upside to fair value
Med Conviction
Grade C
QuantHub Verdict
TSLA has more upside to fair value
(+45.0%).
These are model outputs — not personalized investment advice.
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Valuation & Fundamentals
| Metric |
ISRG |
TSLA |
| Current Price |
$399.52 |
$372.11 |
| Fair Value Estimate |
$488.97 |
$539.56 |
| Upside to Fair Value |
+22.4%
|
+45.0%
|
| Market Cap |
$141.1B |
$1,469.7B |
| Forward P/E |
—
|
—
|
| EV / EBITDA |
30.7x
|
121.7x
|
| Price / Sales |
12.8x
|
14.2x
|
| Price / FCF |
44.0x
|
209.1x
|
| Revenue Growth YoY |
+18.5%
|
+25.5%
|
| Gross Margin |
66.7%
|
18.9%
|
| Operating Margin |
31.3%
|
4.2%
|
| Return on Equity |
17.8%
|
4.6%
|
| Dividend Yield |
0% |
0% |
| FCF Yield |
2.28%
|
0.48%
|
| Analyst Consensus |
Strong Buy
|
Hold
|
Investment Thesis
Intuitive Surgical develops, produces, and commercializes the da Vinci surgical system and the Ion endoluminal system, along with instruments, accessories, training, and digital solutions that drive a large installed-base and recurring-revenue model. Business quality is high: TTM gross margin of 66.7%, operating margin of 31.3%, net margin of 28.4%, ROE of 17.8%, and revenue growth of 18.5% with …
Tesla, Inc. designs, manufactures and sells electric vehicles and energy generation and storage systems, operating through Automotive and Energy Generation and Storage segments with 134,785 full-time employees and a market capitalization of $1,469.67 billion at a share price of $372.11. The business quality is mixed: revenue grew 25.5% year over year in the most recent quarter, but earnings fell …
Accumulation Zones
| Metric |
ISRG |
TSLA |
| Zone Low |
$366.73 |
$404.67 |
| Zone High |
$415.62 |
$458.63 |
| In Buy Zone? |
Yes
|
Yes
|