ISRG vs. LMT
ISRG (Intuitive Surgical, Inc.) and LMT (Lockheed Martin Corporation) are both stocks. ISRG operates in Medical Instruments & Supplies (Healthcare), while LMT operates in Aerospace & Defense (Industrials). Over the past 10 years, ISRG returned 19.09%/yr vs 11.37%/yr for LMT. At a 0.22 correlation, their price movements are largely independent.
Performance
ISRG vs. LMT - Performance Comparison
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Returns By Period
In the year-to-date period, ISRG achieves a -27.42% return, which is significantly lower than LMT's 13.04% return. Over the past 10 years, ISRG has outperformed LMT with an annualized return of 19.09%, while LMT has yielded a comparatively lower 11.37% annualized return.
ISRG
- 1D
- -0.45%
- 1M
- -4.91%
- YTD
- -27.42%
- 6M
- -24.20%
- 1Y
- -19.87%
- 3Y*
- 9.23%
- 5Y*
- 7.37%
- 10Y*
- 19.09%
LMT
- 1D
- -1.52%
- 1M
- 4.60%
- YTD
- 13.04%
- 6M
- 13.84%
- 1Y
- 18.25%
- 3Y*
- 8.98%
- 5Y*
- 9.78%
- 10Y*
- 11.37%
ISRG vs. LMT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ISRG Intuitive Surgical, Inc. | -27.42% | 8.51% | 54.72% | 27.14% | -26.15% | 31.76% | 38.39% | 23.43% | 31.23% | 72.64% |
LMT Lockheed Martin Corporation | 13.04% | 2.47% | 10.02% | -4.31% | 40.48% | 3.15% | -6.49% | 52.55% | -16.35% | 31.77% |
Correlation
The correlation between ISRG and LMT is 0.02, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.02 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.04 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.10 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.19 |
Correlation (All Time) Calculated using the full available price history since Jun 16, 2000 | 0.22 |
Over the past year, the correlation between ISRG and LMT has dropped to 0.02 - well below their long-term average of 0.22, suggesting their price drivers have been diverging.
Fundamentals
ISRG:
$147.90B
LMT:
$124.87B
ISRG:
$8.24
LMT:
$20.61
ISRG:
49.88
LMT:
26.21
ISRG:
14.04
LMT:
1.67
ISRG:
8.40
LMT:
16.67
ISRG:
$10.58B
LMT:
$75.12B
ISRG:
$7.02B
LMT:
$7.37B
ISRG:
$3.76B
LMT:
$8.09B
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Return for Risk
ISRG vs. LMT — Risk / Return Rank
ISRG
LMT
ISRG vs. LMT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Intuitive Surgical, Inc. (ISRG) and Lockheed Martin Corporation (LMT). 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 | LMT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.34 | ||
| Sortino ratioReturn per unit of downside risk | -1.92 | ||
| Omega ratioGain probability vs. loss probability | 0.90 | 1.14 | -0.24 |
| Calmar ratioReturn relative to maximum drawdown | -0.62 | 0.73 | -1.35 |
| Martin ratioReturn relative to average drawdown | -1.24 | 1.69 | -2.94 |
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Drawdowns
ISRG vs. LMT - Drawdown Comparison
The maximum ISRG drawdown since its inception was -82.26%, roughly equal to the maximum LMT drawdown of -79.29%. Use the drawdown chart below to compare losses from any high point for ISRG and LMT.
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Drawdown Indicators
| ISRG | LMT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -82.26% | -79.29% | -2.97% |
Max Drawdown (1Y)Largest decline over 1 year | -32.14% | -25.15% | -6.99% |
Max Drawdown (3Y)Largest decline over 3 years | -34.10% | -31.79% | -2.31% |
Max Drawdown (5Y)Largest decline over 5 years | -49.90% | -31.79% | -18.11% |
Max Drawdown (10Y)Largest decline over 10 years | -49.90% | -36.67% | -13.23% |
Current DrawdownCurrent decline from peak | -32.66% | -19.63% | -13.03% |
Average DrawdownAverage peak-to-trough decline | -21.28% | -26.83% | +5.55% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 16.00% | 10.81% | +5.19% |
Volatility
ISRG vs. LMT - Volatility Comparison
Intuitive Surgical, Inc. (ISRG) has a higher volatility of 9.70% compared to Lockheed Martin Corporation (LMT) at 7.02%. This indicates that ISRG's price experiences larger fluctuations and is considered to be riskier than LMT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ISRG | LMT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.70% | 7.02% | +2.68% |
Volatility (6M)Calculated over the trailing 6-month period | 20.72% | 20.04% | +0.68% |
Volatility (1Y)Calculated over the trailing 1-year period | 30.69% | 26.71% | +3.98% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 33.19% | 22.99% | +10.20% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 32.40% | 23.76% | +8.64% |
Dividends
ISRG vs. LMT - Dividend Comparison
ISRG has not paid dividends to shareholders, while LMT's dividend yield for the trailing twelve months is around 2.53%.
| 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% |
LMT Lockheed Martin Corporation | 2.53% | 2.76% | 2.62% | 2.68% | 2.34% | 2.98% | 2.76% | 2.31% | 3.13% | 2.32% | 2.71% | 2.83% |
Financials
ISRG vs. LMT - Financials Comparison
This section allows you to compare key financial metrics between Intuitive Surgical, Inc. and Lockheed Martin 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. LMT - Profitability Comparison
ISRG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Intuitive Surgical, Inc. reported a gross profit of 1.83B and revenue of 2.77B. Therefore, the gross margin over that period was 66.1%.
LMT - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Lockheed Martin Corporation reported a gross profit of 2.08B and revenue of 18.02B. Therefore, the gross margin over that period was 11.5%.
ISRG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Intuitive Surgical, Inc. reported an operating income of 855.30M and revenue of 2.77B, resulting in an operating margin of 30.9%.
LMT - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Lockheed Martin Corporation reported an operating income of 2.06B and revenue of 18.02B, resulting in an operating margin of 11.5%.
ISRG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Intuitive Surgical, Inc. reported a net income of 821.50M and revenue of 2.77B, resulting in a net margin of 29.7%.
LMT - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Lockheed Martin Corporation reported a net income of 1.49B and revenue of 18.02B, resulting in a net margin of 8.3%.
Frequently Asked Questions
ISRG and LMT have a correlation of 0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ISRG has higher volatility (9.70%) compared to LMT (7.02%). In terms of maximum drawdown, ISRG dropped -82.26% vs LMT's -79.29%.
LMT currently has the higher Sharpe Ratio (0.69 vs -0.65), 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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