BND vs. COPX
BND (Vanguard Total Bond Market ETF) and COPX (Global X Copper Miners ETF) are both exchange-traded funds - BND is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Float Adjusted Index, while COPX is a Materials fund tracking the Solactive Global Copper Miners Total Return Index. Both are passively managed. Over the past 10 years, BND returned 1.58%/yr vs 21.86%/yr for COPX. At a correlation of -0.07, they often move in opposite directions. BND charges 0.03%/yr vs 0.65%/yr for COPX.
Performance
BND vs. COPX - Performance Comparison
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Returns By Period
In the year-to-date period, BND achieves a 0.52% return, which is significantly lower than COPX's 19.75% return. Over the past 10 years, BND has underperformed COPX with an annualized return of 1.58%, while COPX has yielded a comparatively higher 21.86% annualized return.
BND
- 1D
- -0.12%
- 1M
- 0.42%
- YTD
- 0.52%
- 6M
- 0.91%
- 1Y
- 4.40%
- 3Y*
- 4.17%
- 5Y*
- 0.03%
- 10Y*
- 1.58%
COPX
- 1D
- 3.38%
- 1M
- -6.46%
- YTD
- 19.75%
- 6M
- 29.13%
- 1Y
- 103.76%
- 3Y*
- 33.96%
- 5Y*
- 19.28%
- 10Y*
- 21.86%
BND vs. COPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BND Vanguard Total Bond Market ETF | 0.52% | 7.08% | 1.38% | 5.65% | -13.11% | -1.86% | 7.71% | 8.84% | -0.12% | 3.57% |
COPX Global X Copper Miners ETF | 19.75% | 93.50% | 3.57% | 8.38% | -0.76% | 23.39% | 51.66% | 12.48% | -31.31% | 38.92% |
Correlation
The correlation between BND and COPX is 0.27, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.27 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.19 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.12 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.01 |
Correlation (All Time) Calculated using the full available price history since Apr 20, 2010 | -0.07 |
The correlation between BND and COPX shifts across timeframes, from -0.07 (all time) to 0.27 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
BND vs. COPX — Risk / Return Rank
BND
COPX
BND vs. COPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Total Bond Market ETF (BND) and Global X Copper Miners ETF (COPX). 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.
| BND | COPX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.21 | ||
| Sortino ratioReturn per unit of downside risk | -0.93 | ||
| Omega ratioGain probability vs. loss probability | 1.21 | 1.36 | -0.15 |
| Calmar ratioReturn relative to maximum drawdown | 1.65 | 3.75 | -2.10 |
| Martin ratioReturn relative to average drawdown | 4.81 | 11.60 | -6.80 |
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Drawdowns
BND vs. COPX - Drawdown Comparison
The maximum BND drawdown since its inception was -18.58%, smaller than the maximum COPX drawdown of -83.16%. Use the drawdown chart below to compare losses from any high point for BND and COPX.
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Drawdown Indicators
| BND | COPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.58% | -83.16% | +64.58% |
Max Drawdown (1Y)Largest decline over 1 year | -2.68% | -27.82% | +25.14% |
Max Drawdown (3Y)Largest decline over 3 years | -5.92% | -39.72% | +33.80% |
Max Drawdown (5Y)Largest decline over 5 years | -17.91% | -42.12% | +24.21% |
Max Drawdown (10Y)Largest decline over 10 years | -18.58% | -65.41% | +46.83% |
Current DrawdownCurrent decline from peak | -2.12% | -10.17% | +8.05% |
Average DrawdownAverage peak-to-trough decline | -3.06% | -39.28% | +36.22% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.92% | 8.98% | -8.06% |
Volatility
BND vs. COPX - Volatility Comparison
The current volatility for Vanguard Total Bond Market ETF (BND) is 1.28%, while Global X Copper Miners ETF (COPX) has a volatility of 19.30%. This indicates that BND experiences smaller price fluctuations and is considered to be less risky than COPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BND | COPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.28% | 19.30% | -18.02% |
Volatility (6M)Calculated over the trailing 6-month period | 2.74% | 38.15% | -35.41% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.75% | 43.66% | -39.91% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.03% | 37.00% | -30.97% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.53% | 35.75% | -30.22% |
BND vs. COPX - Expense Ratio Comparison
BND has a 0.03% expense ratio, which is lower than COPX's 0.65% expense ratio.
Dividends
BND vs. COPX - Dividend Comparison
BND's dividend yield for the trailing twelve months is around 3.96%, more than COPX's 2.24% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BND Vanguard Total Bond Market ETF | 3.96% | 3.86% | 3.67% | 3.09% | 2.60% | 2.12% | 2.38% | 2.72% | 2.81% | 2.54% | 2.51% | 2.57% |
COPX Global X Copper Miners ETF | 2.24% | 2.68% | 1.80% | 2.39% | 3.14% | 1.48% | 1.30% | 1.37% | 2.59% | 1.57% | 0.60% | 1.20% |
Frequently Asked Questions
BND and COPX have a correlation of 0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
COPX has higher volatility (19.30%) compared to BND (1.28%). In terms of maximum drawdown, BND dropped -18.58% vs COPX's -83.16%.
On 10-year performance, COPX leads with 21.86% vs 1.58% for BND. On fees, BND is cheaper at 0.03% per year. On volatility, BND has been the lower-risk option at 1.28%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, COPX has performed better with a 21.86% return vs 1.58%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
BND is cheaper with a 0.03% expense ratio, compared with 0.65% for COPX.
BND has the higher dividend yield at 3.96%, compared with 2.24% for COPX.
BND is categorized as Total Bond Market, while COPX is Materials. BND tracks Bloomberg U.S. Aggregate Float Adjusted Index, while COPX tracks Solactive Global Copper Miners Total Return Index. They also come from different issuers: Vanguard and Global X. Their fees differ too: 0.03% for BND and 0.65% for COPX.
COPX currently has the higher Sharpe Ratio (2.39 vs 1.18), 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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