GNR vs. BCI
GNR (SPDR S&P Global Natural Resources ETF) and BCI (abrdn Bloomberg All Commodity Strategy K-1 Free ETF) are both exchange-traded funds - GNR is a Natural Resources fund tracking the S&P Global Natural Resources Index, while BCI is a Commodities fund tracking the Bloomberg Commodity Index Total Return. Both are passively managed. Over the past 5 years, GNR returned 8.78%/yr vs 9.52%/yr for BCI. A 0.56 correlation means they provide meaningful diversification when combined. GNR charges 0.40%/yr vs 0.26%/yr for BCI.
Performance
GNR vs. BCI - Performance Comparison
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Returns By Period
In the year-to-date period, GNR achieves a 10.87% return, which is significantly lower than BCI's 15.26% return.
GNR
- 1D
- -1.89%
- 1M
- -6.62%
- YTD
- 10.87%
- 6M
- 10.38%
- 1Y
- 29.22%
- 3Y*
- 12.75%
- 5Y*
- 8.78%
- 10Y*
- 10.31%
BCI
- 1D
- -1.23%
- 1M
- -9.78%
- YTD
- 15.26%
- 6M
- 13.54%
- 1Y
- 23.04%
- 3Y*
- 11.40%
- 5Y*
- 9.52%
- 10Y*
- —
GNR vs. BCI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GNR SPDR S&P Global Natural Resources ETF | 10.87% | 28.68% | -8.27% | 2.95% | 10.20% | 24.73% | -0.03% | 16.49% | -13.19% | 18.24% |
BCI abrdn Bloomberg All Commodity Strategy K-1 Free ETF | 15.26% | 15.07% | 5.47% | -8.79% | 15.09% | 26.18% | -2.77% | 7.06% | -11.21% | 3.81% |
Correlation
The correlation between GNR and BCI is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.48 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.54 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.58 |
Correlation (All Time) Calculated using the full available price history since Mar 31, 2017 | 0.56 |
The correlation between GNR and BCI shifts across timeframes, from 0.48 (1 year) to 0.58 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
GNR vs. BCI — Risk / Return Rank
GNR
BCI
GNR vs. BCI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR S&P Global Natural Resources ETF (GNR) and abrdn Bloomberg All Commodity Strategy K-1 Free ETF (BCI). 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.
| GNR | BCI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.34 | ||
| Sortino ratioReturn per unit of downside risk | +0.40 | ||
| Omega ratioGain probability vs. loss probability | 1.30 | 1.25 | +0.05 |
| Calmar ratioReturn relative to maximum drawdown | 3.19 | 1.76 | +1.43 |
| Martin ratioReturn relative to average drawdown | 12.20 | 6.95 | +5.25 |
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Drawdowns
GNR vs. BCI - Drawdown Comparison
The maximum GNR drawdown since its inception was -51.37%, which is greater than BCI's maximum drawdown of -32.69%. Use the drawdown chart below to compare losses from any high point for GNR and BCI.
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Drawdown Indicators
| GNR | BCI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -51.37% | -32.69% | -18.68% |
Max Drawdown (1Y)Largest decline over 1 year | -9.20% | -13.12% | +3.92% |
Max Drawdown (3Y)Largest decline over 3 years | -21.15% | -13.12% | -8.03% |
Max Drawdown (5Y)Largest decline over 5 years | -25.66% | -26.50% | +0.84% |
Max Drawdown (10Y)Largest decline over 10 years | -48.59% | — | — |
Current DrawdownCurrent decline from peak | -9.20% | -13.12% | +3.92% |
Average DrawdownAverage peak-to-trough decline | -14.92% | -11.99% | -2.93% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.40% | 3.34% | -0.94% |
Volatility
GNR vs. BCI - Volatility Comparison
SPDR S&P Global Natural Resources ETF (GNR) has a higher volatility of 5.94% compared to abrdn Bloomberg All Commodity Strategy K-1 Free ETF (BCI) at 3.55%. This indicates that GNR's price experiences larger fluctuations and is considered to be riskier than BCI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GNR | BCI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.94% | 3.55% | +2.39% |
Volatility (6M)Calculated over the trailing 6-month period | 14.11% | 14.98% | -0.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.32% | 17.20% | +0.12% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.28% | 16.79% | +3.49% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.82% | 15.65% | +6.17% |
GNR vs. BCI - Expense Ratio Comparison
GNR has a 0.40% expense ratio, which is higher than BCI's 0.26% expense ratio.
Dividends
GNR vs. BCI - Dividend Comparison
GNR's dividend yield for the trailing twelve months is around 2.68%, less than BCI's 14.30% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BCI abrdn Bloomberg All Commodity Strategy K-1 Free ETF | 14.30% | 16.49% | 3.29% | 3.93% | 19.98% | 19.43% | 0.68% | 1.47% | 1.13% | 5.02% | 0.00% | 0.00% |
GNR SPDR S&P Global Natural Resources ETF | 2.68% | 2.76% | 4.73% | 3.37% | 4.37% | 3.44% | 2.78% | 3.84% | 3.51% | 2.40% | 2.06% | 4.59% |
Frequently Asked Questions
GNR and BCI have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GNR has higher volatility (5.94%) compared to BCI (3.55%). In terms of maximum drawdown, GNR dropped -51.37% vs BCI's -32.69%.
On 5-year performance, BCI leads with 9.52% vs 8.78% for GNR. On fees, BCI is cheaper at 0.26% per year. On volatility, BCI has been the lower-risk option at 3.55%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, BCI has performed better with a 9.52% return vs 8.78%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
BCI is cheaper with a 0.26% expense ratio, compared with 0.40% for GNR.
BCI has the higher dividend yield at 14.30%, compared with 2.68% for GNR.
GNR is categorized as Natural Resources, while BCI is Commodities. GNR tracks S&P Global Natural Resources Index, while BCI tracks Bloomberg Commodity Index Total Return. They also come from different issuers: State Street and Aberdeen. Their fees differ too: 0.40% for GNR and 0.26% for BCI.
GNR currently has the higher Sharpe Ratio (1.70 vs 1.36), 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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