FTNT vs. ISRG
FTNT (Fortinet, Inc.) and ISRG (Intuitive Surgical, Inc.) are both stocks. FTNT operates in Software - Infrastructure (Technology), while ISRG operates in Medical Instruments & Supplies (Healthcare). Over the past 10 years, FTNT returned 36.02%/yr vs 19.09%/yr for ISRG. At a 0.44 correlation, their price movements are largely independent.
Performance
FTNT vs. ISRG - Performance Comparison
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Returns By Period
In the year-to-date period, FTNT achieves a 84.23% return, which is significantly higher than ISRG's -27.42% return. Over the past 10 years, FTNT has outperformed ISRG with an annualized return of 36.02%, while ISRG has yielded a comparatively lower 19.09% annualized return.
FTNT
- 1D
- 0.85%
- 1M
- 24.31%
- YTD
- 84.23%
- 6M
- 77.94%
- 1Y
- 43.91%
- 3Y*
- 27.56%
- 5Y*
- 26.15%
- 10Y*
- 36.02%
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%
FTNT vs. ISRG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FTNT Fortinet, Inc. | 84.23% | -15.95% | 61.42% | 19.72% | -31.98% | 141.97% | 39.13% | 51.58% | 61.20% | 45.05% |
ISRG Intuitive Surgical, Inc. | -27.42% | 8.51% | 54.72% | 27.14% | -26.15% | 31.76% | 38.39% | 23.43% | 31.23% | 72.64% |
Correlation
The correlation between FTNT and ISRG is 0.31, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.31 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.39 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.51 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.50 |
Correlation (All Time) Calculated using the full available price history since Nov 18, 2009 | 0.44 |
The correlation between FTNT and ISRG shifts across timeframes, from 0.31 (1 year) to 0.51 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
FTNT:
$108.67B
ISRG:
$147.90B
FTNT:
$2.58
ISRG:
$8.24
FTNT:
56.81
ISRG:
49.88
FTNT:
1.58
ISRG:
3.05
FTNT:
15.62
ISRG:
14.04
FTNT:
109.80
ISRG:
8.40
FTNT:
$7.11B
ISRG:
$10.58B
FTNT:
$5.74B
ISRG:
$7.02B
FTNT:
$2.47B
ISRG:
$3.76B
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Return for Risk
FTNT vs. ISRG — Risk / Return Rank
FTNT
ISRG
FTNT vs. ISRG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fortinet, Inc. (FTNT) and Intuitive Surgical, Inc. (ISRG). 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.
| FTNT | ISRG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.63 | ||
| Sortino ratioReturn per unit of downside risk | +2.34 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 0.90 | +0.33 |
| Calmar ratioReturn relative to maximum drawdown | 1.43 | -0.62 | +2.05 |
| Martin ratioReturn relative to average drawdown | 2.09 | -1.24 | +3.33 |
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Drawdowns
FTNT vs. ISRG - Drawdown Comparison
The maximum FTNT drawdown since its inception was -51.20%, smaller than the maximum ISRG drawdown of -82.26%. Use the drawdown chart below to compare losses from any high point for FTNT and ISRG.
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Drawdown Indicators
| FTNT | ISRG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -51.20% | -82.26% | +31.06% |
Max Drawdown (1Y)Largest decline over 1 year | -30.90% | -32.14% | +1.24% |
Max Drawdown (3Y)Largest decline over 3 years | -38.32% | -34.10% | -4.22% |
Max Drawdown (5Y)Largest decline over 5 years | -38.32% | -49.90% | +11.58% |
Max Drawdown (10Y)Largest decline over 10 years | -38.32% | -49.90% | +11.58% |
Current DrawdownCurrent decline from peak | -2.25% | -32.66% | +30.41% |
Average DrawdownAverage peak-to-trough decline | -16.22% | -21.28% | +5.06% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 21.07% | 16.00% | +5.07% |
Volatility
FTNT vs. ISRG - Volatility Comparison
Fortinet, Inc. (FTNT) has a higher volatility of 13.35% compared to Intuitive Surgical, Inc. (ISRG) at 9.70%. This indicates that FTNT's price experiences larger fluctuations and is considered to be riskier than ISRG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FTNT | ISRG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.35% | 9.70% | +3.65% |
Volatility (6M)Calculated over the trailing 6-month period | 31.79% | 20.72% | +11.07% |
Volatility (1Y)Calculated over the trailing 1-year period | 45.18% | 30.69% | +14.49% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 43.94% | 33.19% | +10.75% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 40.88% | 32.40% | +8.48% |
Dividends
FTNT vs. ISRG - Dividend Comparison
Neither FTNT nor ISRG has paid dividends to shareholders.
Financials
FTNT vs. ISRG - Financials Comparison
This section allows you to compare key financial metrics between Fortinet, Inc. and Intuitive Surgical, Inc.. 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
FTNT vs. ISRG - Profitability Comparison
FTNT - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Fortinet, Inc. reported a gross profit of 1.49B and revenue of 1.85B. Therefore, the gross margin over that period was 80.3%.
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%.
FTNT - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Fortinet, Inc. reported an operating income of 580.00M and revenue of 1.85B, resulting in an operating margin of 31.4%.
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%.
FTNT - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Fortinet, Inc. reported a net income of 534.50M and revenue of 1.85B, resulting in a net margin of 28.9%.
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%.
Frequently Asked Questions
FTNT and ISRG have a correlation of 0.31, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FTNT has higher volatility (13.35%) compared to ISRG (9.70%). In terms of maximum drawdown, FTNT dropped -51.20% vs ISRG's -82.26%.
FTNT currently has the higher Sharpe Ratio (0.98 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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