IRDM vs. SLV
IRDM (Iridium Communications Inc.) is a stock, while SLV (iShares Silver Trust) is Silver fund tracking the LBMA Silver Price. Over the past 10 years, IRDM returned 20.69%/yr vs 15.63%/yr for SLV. At a 0.13 correlation, their price movements are largely independent.
Performance
IRDM vs. SLV - Performance Comparison
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Returns By Period
In the year-to-date period, IRDM achieves a 201.42% return, which is significantly higher than SLV's 3.97% return. Over the past 10 years, IRDM has outperformed SLV with an annualized return of 20.69%, while SLV has yielded a comparatively lower 15.63% annualized return.
IRDM
- 1D
- 6.33%
- 1M
- 32.73%
- YTD
- 201.42%
- 6M
- 201.08%
- 1Y
- 103.17%
- 3Y*
- -3.45%
- 5Y*
- 8.28%
- 10Y*
- 20.69%
SLV
- 1D
- 1.16%
- 1M
- 1.62%
- YTD
- 3.97%
- 6M
- 29.40%
- 1Y
- 113.72%
- 3Y*
- 45.73%
- 5Y*
- 21.04%
- 10Y*
- 15.63%
IRDM vs. SLV - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IRDM Iridium Communications Inc. | 201.42% | -38.51% | -28.09% | -19.10% | 24.49% | 5.00% | 59.60% | 33.55% | 56.36% | 22.92% |
SLV iShares Silver Trust | 3.97% | 144.66% | 20.89% | -1.09% | 2.37% | -12.45% | 47.30% | 14.88% | -9.19% | 5.82% |
Correlation
The correlation between IRDM and SLV is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.16 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.15 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.17 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.14 |
Correlation (All Time) Calculated using the full available price history since Mar 24, 2008 | 0.13 |
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Return for Risk
IRDM vs. SLV — Risk / Return Rank
IRDM
SLV
IRDM vs. SLV - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Iridium Communications Inc. (IRDM) and iShares Silver Trust (SLV). 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.
| IRDM | SLV | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.27 | ||
| Sortino ratioReturn per unit of downside risk | +0.11 | ||
| Omega ratioGain probability vs. loss probability | 1.33 | 1.36 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 2.04 | 2.69 | -0.65 |
| Martin ratioReturn relative to average drawdown | 3.36 | 5.76 | -2.41 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| IRDM | SLV | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.68 | 1.94 | -0.27 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.18 | 0.58 | -0.40 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.46 | 0.49 | -0.03 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.25 | 0.25 | 0.00 |
Drawdowns
IRDM vs. SLV - Drawdown Comparison
The maximum IRDM drawdown since its inception was -75.34%, roughly equal to the maximum SLV drawdown of -76.28%. Use the drawdown chart below to compare losses from any high point for IRDM and SLV.
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Drawdown Indicators
| IRDM | SLV | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -75.34% | -76.28% | +0.94% |
Max Drawdown (1Y)Largest decline over 1 year | -50.74% | -42.45% | -8.29% |
Max Drawdown (3Y)Largest decline over 3 years | -74.46% | -42.45% | -32.01% |
Max Drawdown (5Y)Largest decline over 5 years | -75.34% | -42.45% | -32.89% |
Max Drawdown (10Y)Largest decline over 10 years | -75.34% | -42.81% | -32.53% |
Current DrawdownCurrent decline from peak | -17.78% | -36.57% | +18.79% |
Average DrawdownAverage peak-to-trough decline | -25.99% | -44.67% | +18.68% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 30.86% | 19.81% | +11.05% |
Volatility
IRDM vs. SLV - Volatility Comparison
Iridium Communications Inc. (IRDM) and iShares Silver Trust (SLV) have volatilities of 16.22% and 16.34%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IRDM | SLV | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 16.22% | 16.34% | -0.12% |
Volatility (6M)Calculated over the trailing 6-month period | 45.31% | 58.31% | -13.00% |
Volatility (1Y)Calculated over the trailing 1-year period | 61.88% | 58.90% | +2.98% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 45.29% | 36.15% | +9.14% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 45.22% | 31.83% | +13.39% |
Dividends
IRDM vs. SLV - Dividend Comparison
IRDM's dividend yield for the trailing twelve months is around 1.13%, while SLV has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
IRDM Iridium Communications Inc. | 1.13% | 3.34% | 1.90% | 1.26% |
SLV iShares Silver Trust | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
IRDM and SLV 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.
SLV has higher volatility (16.34%) compared to IRDM (16.22%). In terms of maximum drawdown, IRDM dropped -75.34% vs SLV's -76.28%.
SLV currently has the higher Sharpe Ratio (1.94 vs 1.68), 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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