GRNB vs. BWX
GRNB (VanEck Green Bond ETF) and BWX (SPDR Bloomberg Barclays International Treasury Bond ETF) are both exchange-traded funds - GRNB is a Global Bonds fund tracking the S&P Green Bond U.S. Dollar Select Index, while BWX is a International Government Bonds fund tracking the Bloomberg Global Treasury x US Capped (Inception 8/31/2007). Both are passively managed. Over the past 5 years, GRNB returned 0.76%/yr vs -4.36%/yr for BWX. A 0.63 correlation means they provide meaningful diversification when combined. GRNB charges 0.20%/yr vs 0.35%/yr for BWX.
Performance
GRNB vs. BWX - Performance Comparison
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Returns By Period
In the year-to-date period, GRNB achieves a 0.67% return, which is significantly higher than BWX's -2.90% return.
GRNB
- 1D
- 0.07%
- 1M
- 0.71%
- YTD
- 0.67%
- 6M
- 0.75%
- 1Y
- 4.28%
- 3Y*
- 5.21%
- 5Y*
- 0.76%
- 10Y*
- —
BWX
- 1D
- -0.23%
- 1M
- -0.98%
- YTD
- -2.90%
- 6M
- -2.94%
- 1Y
- -4.10%
- 3Y*
- 0.68%
- 5Y*
- -4.36%
- 10Y*
- -1.40%
GRNB vs. BWX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GRNB VanEck Green Bond ETF | 0.67% | 7.09% | 3.31% | 7.08% | -11.93% | -2.36% | 7.98% | 5.40% | -4.07% | 9.87% |
BWX SPDR Bloomberg Barclays International Treasury Bond ETF | -2.90% | 7.67% | -5.93% | 5.10% | -19.72% | -8.67% | 9.50% | 5.58% | -1.85% | 9.30% |
Correlation
The correlation between GRNB and BWX is 0.65, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.65 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.63 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.66 |
Correlation (All Time) Calculated using the full available price history since Mar 6, 2017 | 0.63 |
The correlation between GRNB and BWX has been stable across timeframes, ranging from 0.63 to 0.66 - a consistent structural relationship.
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Return for Risk
GRNB vs. BWX — Risk / Return Rank
GRNB
BWX
GRNB vs. BWX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for VanEck Green Bond ETF (GRNB) and SPDR Bloomberg Barclays International Treasury Bond ETF (BWX). 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.
| GRNB | BWX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.98 | ||
| Sortino ratioReturn per unit of downside risk | +2.83 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 0.92 | +0.35 |
| Calmar ratioReturn relative to maximum drawdown | 1.72 | -0.67 | +2.38 |
| Martin ratioReturn relative to average drawdown | 6.60 | -1.28 | +7.87 |
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Drawdowns
GRNB vs. BWX - Drawdown Comparison
The maximum GRNB drawdown since its inception was -18.08%, smaller than the maximum BWX drawdown of -34.05%. Use the drawdown chart below to compare losses from any high point for GRNB and BWX.
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Drawdown Indicators
| GRNB | BWX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.08% | -34.05% | +15.97% |
Max Drawdown (1Y)Largest decline over 1 year | -2.51% | -6.16% | +3.65% |
Max Drawdown (3Y)Largest decline over 3 years | -4.24% | -10.22% | +5.98% |
Max Drawdown (5Y)Largest decline over 5 years | -17.94% | -30.78% | +12.84% |
Max Drawdown (10Y)Largest decline over 10 years | — | -34.05% | — |
Current DrawdownCurrent decline from peak | -0.34% | -24.74% | +24.40% |
Average DrawdownAverage peak-to-trough decline | -4.55% | -10.08% | +5.53% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.65% | 3.22% | -2.57% |
Volatility
GRNB vs. BWX - Volatility Comparison
The current volatility for VanEck Green Bond ETF (GRNB) is 0.80%, while SPDR Bloomberg Barclays International Treasury Bond ETF (BWX) has a volatility of 2.09%. This indicates that GRNB experiences smaller price fluctuations and is considered to be less risky than BWX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GRNB | BWX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.80% | 2.09% | -1.29% |
Volatility (6M)Calculated over the trailing 6-month period | 2.40% | 5.98% | -3.58% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.98% | 7.69% | -4.71% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.92% | 9.70% | -4.78% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.87% | 8.67% | -3.80% |
GRNB vs. BWX - Expense Ratio Comparison
GRNB has a 0.20% expense ratio, which is lower than BWX's 0.35% expense ratio.
Dividends
GRNB vs. BWX - Dividend Comparison
GRNB's dividend yield for the trailing twelve months is around 4.23%, more than BWX's 2.40% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
BWX SPDR Bloomberg Barclays International Treasury Bond ETF | 2.40% | 2.19% | 1.99% | 1.63% | 1.23% | 0.93% | 0.95% | 1.16% | 1.07% | 0.46% |
GRNB VanEck Green Bond ETF | 4.23% | 4.18% | 3.83% | 3.17% | 2.60% | 1.97% | 2.24% | 1.79% | 1.21% | 1.09% |
Frequently Asked Questions
GRNB and BWX have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BWX has higher volatility (2.09%) compared to GRNB (0.80%). In terms of maximum drawdown, GRNB dropped -18.08% vs BWX's -34.05%.
On 5-year performance, GRNB leads with 0.76% vs -4.36% for BWX. On fees, GRNB is cheaper at 0.20% per year. On volatility, GRNB has been the lower-risk option at 0.80%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, GRNB has performed better with a 0.76% return vs -4.36%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
GRNB is cheaper with a 0.20% expense ratio, compared with 0.35% for BWX.
GRNB has the higher dividend yield at 4.23%, compared with 2.40% for BWX.
GRNB is categorized as Global Bonds, while BWX is International Government Bonds. GRNB tracks S&P Green Bond U.S. Dollar Select Index, while BWX tracks Bloomberg Global Treasury x US Capped (Inception 8/31/2007). They also come from different issuers: VanEck and State Street. Their fees differ too: 0.20% for GRNB and 0.35% for BWX.
GRNB currently has the higher Sharpe Ratio (1.44 vs -0.54), 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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