GBF vs. NUBD
Compare and contrast key facts about iShares Government/Credit Bond ETF (GBF) and Nuveen ESG U.S. Aggregate Bond ETF (NUBD).
GBF and NUBD are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. GBF is a passively managed fund by iShares that tracks the performance of the Bloomberg U.S. Government/Credit Bond Index. It was launched on Jan 11, 2007. NUBD is a passively managed fund by Nuveen that tracks the performance of the Bloomberg MSCI U.S. Aggregate ESG Select Index. It was launched on Sep 29, 2017. Both GBF and NUBD 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
GBF vs. NUBD - Performance Comparison
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GBF vs. NUBD - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GBF iShares Government/Credit Bond ETF | 0.09% | 6.41% | 0.99% | 5.79% | -13.85% | -2.30% | 8.76% | 9.47% | -0.52% | 0.49% |
NUBD Nuveen ESG U.S. Aggregate Bond ETF | -0.01% | 6.75% | 1.31% | 5.42% | -12.90% | -2.19% | 7.17% | 8.22% | 0.32% | 0.26% |
Returns By Period
In the year-to-date period, GBF achieves a 0.09% return, which is significantly higher than NUBD's -0.01% return.
GBF
- 1D
- -0.01%
- 1M
- -1.35%
- YTD
- 0.09%
- 6M
- 0.44%
- 1Y
- 3.51%
- 3Y*
- 3.20%
- 5Y*
- -0.04%
- 10Y*
- 1.58%
NUBD
- 1D
- 0.04%
- 1M
- -1.45%
- YTD
- -0.01%
- 6M
- 0.63%
- 1Y
- 3.85%
- 3Y*
- 3.40%
- 5Y*
- 0.05%
- 10Y*
- —
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GBF vs. NUBD - Expense Ratio Comparison
GBF has a 0.20% expense ratio, which is higher than NUBD's 0.15% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
GBF vs. NUBD — Risk / Return Rank
GBF
NUBD
GBF vs. NUBD - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Government/Credit Bond ETF (GBF) and Nuveen ESG U.S. Aggregate Bond ETF (NUBD). 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.
| GBF | NUBD | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.83 | 0.94 | -0.10 |
Sortino ratioReturn per unit of downside risk | 1.19 | 1.34 | -0.14 |
Omega ratioGain probability vs. loss probability | 1.15 | 1.16 | -0.02 |
Calmar ratioReturn relative to maximum drawdown | 1.53 | 1.65 | -0.12 |
Martin ratioReturn relative to average drawdown | 4.29 | 4.48 | -0.18 |
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
| GBF | NUBD | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.83 | 0.94 | -0.10 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.01 | 0.01 | -0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.30 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.58 | 0.29 | +0.29 |
Correlation
The correlation between GBF and NUBD is 0.89, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
GBF vs. NUBD - Dividend Comparison
GBF's dividend yield for the trailing twelve months is around 3.77%, less than NUBD's 3.92% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GBF iShares Government/Credit Bond ETF | 3.77% | 3.81% | 3.94% | 3.03% | 2.13% | 1.22% | 1.64% | 2.64% | 2.59% | 2.31% | 2.09% | 2.04% |
NUBD Nuveen ESG U.S. Aggregate Bond ETF | 3.92% | 3.90% | 3.51% | 2.99% | 2.83% | 2.05% | 2.21% | 2.66% | 3.08% | 0.58% | 0.00% | 0.00% |
Drawdowns
GBF vs. NUBD - Drawdown Comparison
The maximum GBF drawdown since its inception was -19.67%, roughly equal to the maximum NUBD drawdown of -19.45%. Use the drawdown chart below to compare losses from any high point for GBF and NUBD.
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Drawdown Indicators
| GBF | NUBD | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.67% | -19.45% | -0.22% |
Max Drawdown (1Y)Largest decline over 1 year | -2.50% | -2.50% | 0.00% |
Max Drawdown (5Y)Largest decline over 5 years | -18.45% | -17.90% | -0.55% |
Max Drawdown (10Y)Largest decline over 10 years | -19.67% | — | — |
Current DrawdownCurrent decline from peak | -4.96% | -4.13% | -0.83% |
Average DrawdownAverage peak-to-trough decline | -3.66% | -6.10% | +2.44% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.89% | 0.92% | -0.03% |
Volatility
GBF vs. NUBD - Volatility Comparison
iShares Government/Credit Bond ETF (GBF) and Nuveen ESG U.S. Aggregate Bond ETF (NUBD) have volatilities of 1.64% and 1.59%, 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
| GBF | NUBD | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.64% | 1.59% | +0.05% |
Volatility (6M)Calculated over the trailing 6-month period | 2.53% | 2.49% | +0.04% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.23% | 4.13% | +0.10% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.92% | 5.97% | -0.05% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.27% | 5.14% | +0.13% |