IRDM vs. ISRG
IRDM (Iridium Communications Inc.) and ISRG (Intuitive Surgical, Inc.) are both stocks. IRDM operates in Telecom Services (Communication Services), while ISRG operates in Medical Instruments & Supplies (Healthcare). Over the past 10 years, IRDM returned 19.28%/yr vs 16.50%/yr for ISRG. Their 0.27 correlation means their historical movements had little consistent relationship.
Performance
IRDM vs. ISRG - Performance Comparison
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Returns By Period
In the year-to-date period, IRDM achieves a 174.91% return, which is significantly higher than ISRG's -37.61% return. Over the past 10 years, IRDM has outperformed ISRG with an annualized return of 19.28%, while ISRG has yielded a comparatively lower 16.50% annualized return.
IRDM
- 1D
- -0.63%
- 1M
- -11.93%
- 6M
- 139.85%
- YTD
- 174.91%
- 1Y
- 100.89%
- 3Y*
- -1.08%
- 5Y*
- 3.66%
- 10Y*
- 19.28%
- ALL TIME*
- 9.85%
ISRG
- 1D
- 0.10%
- 1M
- -17.06%
- 6M
- -29.93%
- YTD
- -37.61%
- 1Y
- -26.86%
- 3Y*
- 2.94%
- 5Y*
- 1.35%
- 10Y*
- 16.50%
- ALL TIME*
- 21.88%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $73.05M | $88.75M | $120.14M | |
| $1.43B | $1.49B | $1.19B |
IRDM vs. ISRG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IRDM Iridium Communications Inc. | 174.91% | -38.51% | -28.09% | -19.10% | 24.49% | 5.00% | 59.60% | 33.55% | 56.36% | 22.92% |
ISRG Intuitive Surgical, Inc. | -37.61% | 8.51% | 54.72% | 27.14% | -26.15% | 31.76% | 38.39% | 23.43% | 31.23% | 72.64% |
Correlation
The correlation between IRDM and ISRG is 0.06, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.06 |
Correlation (3Y) Balances recent behavior with more history. | 0.15 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.27 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.30 |
Correlation (All Time) Calculated using the full available price history since Mar 20, 2008 | 0.27 |
Over the past year, the correlation between IRDM and ISRG has dropped to 0.06 - well below their long-term average of 0.27, suggesting their price drivers have been diverging.
Fundamentals
IRDM:
$5.02B
ISRG:
$124.82B
IRDM:
$0.88
ISRG:
$8.72
IRDM:
54.10
ISRG:
40.54
IRDM:
0.32
ISRG:
2.48
IRDM:
5.71
ISRG:
11.53
IRDM:
10.87
ISRG:
6.92
IRDM:
$884.17M
ISRG:
$11.03B
IRDM:
$622.40M
ISRG:
$7.36B
IRDM:
$424.30M
ISRG:
$4.18B
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Return for Risk
IRDM vs. ISRG — Risk / Return Rank
IRDM
ISRG
IRDM vs. ISRG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Iridium Communications Inc. (IRDM) 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.
| IRDM | ISRG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.25 | ||
| Sortino ratioReturn per unit of downside risk | +3.33 | ||
| Omega ratioGain probability vs. loss probability | 1.30 | 0.88 | +0.43 |
| Calmar ratioReturn relative to maximum drawdown | 2.72 | -0.61 | +3.33 |
| Martin ratioReturn relative to average drawdown | 5.26 | -1.40 | +6.66 |
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Drawdowns
IRDM vs. ISRG - Drawdown Comparison
The maximum IRDM drawdown since its inception was -75.34%, smaller than the maximum ISRG drawdown of -82.26%. Use the drawdown chart below to compare losses from any high point for IRDM and ISRG.
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Drawdown Indicators
| IRDM | ISRG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -75.34% | -82.26% | +6.92% |
Max Drawdown (1Y)Largest decline over 1 year | -36.41% | -44.00% | +7.59% |
Max Drawdown (3Y)Largest decline over 3 years | -67.49% | -45.61% | -21.88% |
Max Drawdown (5Y)Largest decline over 5 years | -75.34% | -49.90% | -25.44% |
Max Drawdown (10Y)Largest decline over 10 years | -75.34% | -49.90% | -25.44% |
Current DrawdownCurrent decline from peak | -25.01% | -42.12% | +17.11% |
Average DrawdownAverage peak-to-trough decline | -25.98% | -21.36% | -4.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 18.79% | 19.01% | -0.22% |
Volatility
IRDM vs. ISRG - Volatility Comparison
The current volatility for Iridium Communications Inc. (IRDM) is 11.48%, while Intuitive Surgical, Inc. (ISRG) has a volatility of 20.49%. This indicates that IRDM experiences smaller price fluctuations and is considered to be less risky 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
| IRDM | ISRG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 11.48% | 20.49% | -9.01% |
Volatility (6M)Calculated over the trailing 6-month period | 52.21% | 28.02% | +24.19% |
Volatility (1Y)Calculated over the trailing 1-year period | 65.77% | 35.93% | +29.84% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 47.12% | 34.29% | +12.83% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 46.29% | 32.94% | +13.35% |
Dividends
IRDM vs. ISRG - Dividend Comparison
IRDM's dividend yield for the trailing twelve months is around 1.27%, while ISRG has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
IRDM Iridium Communications Inc. | 1.27% | 3.34% | 1.90% | 1.26% |
ISRG Intuitive Surgical, Inc. | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
IRDM vs. ISRG - Financials Comparison
This section allows you to compare key financial metrics between Iridium Communications 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
IRDM vs. ISRG - Profitability Comparison
IRDM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Iridium Communications Inc. reported a gross profit of 173.92M and revenue of 225.24M. Therefore, the gross margin over that period was 77.2%.
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%.
IRDM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Iridium Communications Inc. reported an operating income of 34.01M and revenue of 225.24M, resulting in an operating margin of 15.1%.
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%.
IRDM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Iridium Communications Inc. reported a net income of 9.68M and revenue of 225.24M, resulting in a net margin of 4.3%.
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%.
Frequently Asked Questions
IRDM and ISRG have a correlation of 0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ISRG has higher volatility (20.49%) compared to IRDM (11.48%). In terms of maximum drawdown, IRDM dropped -75.34% vs ISRG's -82.26%.
IRDM currently has the higher Sharpe Ratio (1.51 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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