GNR vs. CMDY
Compare and contrast key facts about SPDR S&P Global Natural Resources ETF (GNR) and iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY).
GNR and CMDY are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. GNR is a passively managed fund by State Street that tracks the performance of the S&P Global Natural Resources Index. It was launched on Sep 13, 2010. CMDY is a passively managed fund by iShares that tracks the performance of the Bloomberg Roll Select Commodity Total Return Index. It was launched on Apr 3, 2018. Both GNR and CMDY are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
GNR vs. CMDY - Performance Comparison
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GNR vs. CMDY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
GNR SPDR S&P Global Natural Resources ETF | 20.18% | 28.68% | -8.27% | 2.95% | 10.20% | 24.73% | -0.03% | 16.49% | -12.84% |
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF | 24.02% | 15.81% | 5.43% | -9.33% | 14.55% | 26.38% | 1.15% | 4.96% | -11.11% |
Returns By Period
In the year-to-date period, GNR achieves a 20.18% return, which is significantly lower than CMDY's 24.02% return.
GNR
- 1D
- 0.28%
- 1M
- 1.76%
- YTD
- 20.18%
- 6M
- 28.03%
- 1Y
- 43.60%
- 3Y*
- 12.64%
- 5Y*
- 12.05%
- 10Y*
- 11.80%
CMDY
- 1D
- 2.30%
- 1M
- 9.23%
- YTD
- 24.02%
- 6M
- 29.71%
- 1Y
- 31.11%
- 3Y*
- 12.97%
- 5Y*
- 13.19%
- 10Y*
- —
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GNR vs. CMDY - Expense Ratio Comparison
GNR has a 0.40% expense ratio, which is higher than CMDY's 0.28% expense ratio.
Return for Risk
GNR vs. CMDY — Risk / Return Rank
GNR
CMDY
GNR vs. CMDY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR S&P Global Natural Resources ETF (GNR) and iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY). 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.
| GNR | CMDY | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 2.12 | 1.89 | +0.23 |
Sortino ratioReturn per unit of downside risk | 2.71 | 2.47 | +0.24 |
Omega ratioGain probability vs. loss probability | 1.41 | 1.35 | +0.06 |
Calmar ratioReturn relative to maximum drawdown | 2.97 | 3.30 | -0.33 |
Martin ratioReturn relative to average drawdown | 15.53 | 10.33 | +5.20 |
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
| GNR | CMDY | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.12 | 1.89 | +0.23 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.59 | 0.85 | -0.25 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.54 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.26 | 0.56 | -0.30 |
Correlation
The correlation between GNR and CMDY is 0.56, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
GNR vs. CMDY - Dividend Comparison
GNR's dividend yield for the trailing twelve months is around 2.30%, less than CMDY's 10.40% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GNR SPDR S&P Global Natural Resources ETF | 2.30% | 2.76% | 4.73% | 3.37% | 4.37% | 3.44% | 2.78% | 3.84% | 3.51% | 2.40% | 2.06% | 4.59% |
CMDY iShares Bloomberg Roll Select Commodity Strategy ETF | 10.40% | 12.89% | 4.23% | 5.10% | 3.98% | 16.09% | 0.15% | 2.21% | 1.73% | 0.00% | 0.00% | 0.00% |
Drawdowns
GNR vs. CMDY - Drawdown Comparison
The maximum GNR drawdown since its inception was -51.37%, which is greater than CMDY's maximum drawdown of -31.19%. Use the drawdown chart below to compare losses from any high point for GNR and CMDY.
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Drawdown Indicators
| GNR | CMDY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -51.37% | -31.19% | -20.18% |
Max Drawdown (1Y)Largest decline over 1 year | -11.06% | -7.73% | -3.33% |
Max Drawdown (5Y)Largest decline over 5 years | -25.66% | -26.56% | +0.90% |
Max Drawdown (10Y)Largest decline over 10 years | -48.59% | — | — |
Current DrawdownCurrent decline from peak | -1.58% | 0.00% | -1.58% |
Average DrawdownAverage peak-to-trough decline | -15.09% | -13.37% | -1.72% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.83% | 3.06% | -0.23% |
Volatility
GNR vs. CMDY - Volatility Comparison
The current volatility for SPDR S&P Global Natural Resources ETF (GNR) is 5.51%, while iShares Bloomberg Roll Select Commodity Strategy ETF (CMDY) has a volatility of 7.04%. This indicates that GNR experiences smaller price fluctuations and is considered to be less risky than CMDY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GNR | CMDY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.51% | 7.04% | -1.53% |
Volatility (6M)Calculated over the trailing 6-month period | 13.76% | 13.19% | +0.57% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.70% | 16.57% | +4.13% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.34% | 15.66% | +4.68% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.00% | 14.56% | +7.44% |