ISRG vs. KLAC
ISRG (Intuitive Surgical, Inc.) and KLAC (KLA Corporation) are both stocks. ISRG operates in Medical Instruments & Supplies (Healthcare), while KLAC operates in Semiconductor Equipment & Materials (Technology). Over the past 10 years, ISRG returned 16.50%/yr vs 39.77%/yr for KLAC. Their 0.37 correlation means their historical movements had little consistent relationship.
Performance
ISRG vs. KLAC - Performance Comparison
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Returns By Period
In the year-to-date period, ISRG achieves a -37.61% return, which is significantly lower than KLAC's 50.85% return. Over the past 10 years, ISRG has underperformed KLAC with an annualized return of 16.50%, while KLAC has yielded a comparatively higher 39.77% annualized return.
ISRG
- 1D
- 0.10%
- 1M
- -12.19%
- 6M
- -29.93%
- YTD
- -37.61%
- 1Y
- -26.56%
- 3Y*
- 2.94%
- 5Y*
- 1.35%
- 10Y*
- 16.50%
- ALL TIME*
- 21.88%
KLAC
- 1D
- 1.38%
- 1M
- -31.32%
- 6M
- 28.36%
- YTD
- 50.85%
- 1Y
- 109.32%
- 3Y*
- 53.92%
- 5Y*
- 40.75%
- 10Y*
- 39.77%
- ALL TIME*
- 22.49%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $1.43B | $1.49B | $1.19B | |
KLAC KLA Corporation | $2.50B | $2.71B | $2.78B |
ISRG vs. KLAC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ISRG Intuitive Surgical, Inc. | -37.61% | 8.51% | 54.72% | 27.14% | -26.15% | 31.76% | 38.39% | 23.43% | 31.23% | 72.64% |
KLAC KLA Corporation | 50.85% | 94.48% | 9.36% | 56.05% | -11.20% | 68.05% | 47.94% | 103.99% | -12.49% | 36.80% |
Correlation
The correlation between ISRG and KLAC is 0.16, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.16 |
Correlation (3Y) Balances recent behavior with more history. | 0.36 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.46 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.48 |
Correlation (All Time) Calculated using the full available price history since Jun 16, 2000 | 0.37 |
Over the past year, the correlation between ISRG and KLAC has dropped to 0.16 - well below their long-term average of 0.37, suggesting their price drivers have been diverging.
Fundamentals
ISRG:
$124.82B
KLAC:
$238.81B
ISRG:
$8.72
KLAC:
$3.66
ISRG:
40.54
KLAC:
49.92
ISRG:
2.48
KLAC:
3.11
ISRG:
11.53
KLAC:
17.76
ISRG:
6.92
KLAC:
37.86
ISRG:
$11.03B
KLAC:
$13.58B
ISRG:
$7.36B
KLAC:
$8.32B
ISRG:
$4.18B
KLAC:
$6.12B
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Return for Risk
ISRG vs. KLAC — Risk / Return Rank
ISRG
KLAC
ISRG vs. KLAC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Intuitive Surgical, Inc. (ISRG) and KLA Corporation (KLAC). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| ISRG | KLAC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.60 | ||
| Sortino ratioReturn per unit of downside risk | -3.20 | ||
| Omega ratioGain probability vs. loss probability | 0.88 | 1.31 | -0.44 |
| Calmar ratioReturn relative to maximum drawdown | -0.61 | 2.52 | -3.13 |
| Martin ratioReturn relative to average drawdown | -1.40 | 9.80 | -11.20 |
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Drawdowns
ISRG vs. KLAC - Drawdown Comparison
The maximum ISRG drawdown since its inception was -82.26%, roughly equal to the maximum KLAC drawdown of -83.74%. Use the drawdown chart below to compare losses from any high point for ISRG and KLAC.
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Drawdown Indicators
| ISRG | KLAC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -82.26% | -83.74% | +1.48% |
Max Drawdown (1Y)Largest decline over 1 year | -44.00% | -43.59% | -0.41% |
Max Drawdown (3Y)Largest decline over 3 years | -45.61% | -43.59% | -2.02% |
Max Drawdown (5Y)Largest decline over 5 years | -49.90% | -43.59% | -6.31% |
Max Drawdown (10Y)Largest decline over 10 years | -49.90% | -43.59% | -6.31% |
Current DrawdownCurrent decline from peak | -42.12% | -39.41% | -2.71% |
Average DrawdownAverage peak-to-trough decline | -21.36% | -29.29% | +7.93% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 19.01% | 11.20% | +7.81% |
Volatility
ISRG vs. KLAC - Volatility Comparison
The current volatility for Intuitive Surgical, Inc. (ISRG) is 20.49%, while KLA Corporation (KLAC) has a volatility of 22.35%. This indicates that ISRG experiences smaller price fluctuations and is considered to be less risky than KLAC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ISRG | KLAC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 20.49% | 22.35% | -1.86% |
Volatility (6M)Calculated over the trailing 6-month period | 28.02% | 51.87% | -23.85% |
Volatility (1Y)Calculated over the trailing 1-year period | 35.93% | 59.59% | -23.66% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 34.29% | 46.07% | -11.78% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 32.94% | 43.21% | -10.27% |
Dividends
ISRG vs. KLAC - Dividend Comparison
ISRG has not paid dividends to shareholders, while KLAC's dividend yield for the trailing twelve months is around 0.44%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ISRG Intuitive Surgical, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
KLAC KLA Corporation | 0.44% | 0.61% | 0.96% | 0.92% | 1.25% | 0.91% | 1.35% | 1.74% | 3.17% | 2.15% | 2.67% | 2.94% |
Financials
ISRG vs. KLAC - Financials Comparison
This section allows you to compare key financial metrics between Intuitive Surgical, Inc. and KLA Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
ISRG vs. KLAC - Profitability Comparison
ISRG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Intuitive Surgical, Inc. reported a gross profit of 1.96B and revenue of 2.89B. Therefore, the gross margin over that period was 67.8%.
KLAC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, KLA Corporation reported a gross profit of 2.24B and revenue of 3.66B. Therefore, the gross margin over that period was 61.4%.
ISRG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Intuitive Surgical, Inc. reported an operating income of 971.90M and revenue of 2.89B, resulting in an operating margin of 33.6%.
KLAC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, KLA Corporation reported an operating income of 1.55B and revenue of 3.66B, resulting in an operating margin of 42.5%.
ISRG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Intuitive Surgical, Inc. reported a net income of 818.10M and revenue of 2.89B, resulting in a net margin of 28.3%.
KLAC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, KLA Corporation reported a net income of 1.36B and revenue of 3.66B, resulting in a net margin of 37.3%.
Frequently Asked Questions
ISRG and KLAC have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
KLAC has higher volatility (22.35%) compared to ISRG (20.49%). In terms of maximum drawdown, ISRG dropped -82.26% vs KLAC's -83.74%.
KLAC currently has the higher Sharpe Ratio (1.85 vs -0.75), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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