IBGA vs. NUBD
IBGA (iShares iBonds Dec 2044 Term Treasury ETF) and NUBD (Nuveen ESG U.S. Aggregate Bond ETF) are both Intermediate Core Bond funds - IBGA tracks the ICE 2044 Maturity US Treasury Index while NUBD tracks the Bloomberg MSCI U.S. Aggregate ESG Select Index. Both are passively managed. Over the past year, IBGA returned 5.33% vs 4.97% for NUBD. Their correlation of 0.91 suggests significant overlap in exposure. IBGA charges 0.07%/yr vs 0.15%/yr for NUBD.
Performance
IBGA vs. NUBD - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, IBGA achieves a -0.37% return, which is significantly lower than NUBD's 0.20% return.
IBGA
- 1D
- -0.41%
- 1M
- 0.62%
- YTD
- -0.37%
- 6M
- -1.42%
- 1Y
- 5.33%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
NUBD
- 1D
- -0.18%
- 1M
- 0.31%
- YTD
- 0.20%
- 6M
- 0.09%
- 1Y
- 4.97%
- 3Y*
- 3.77%
- 5Y*
- -0.06%
- 10Y*
- —
IBGA vs. NUBD - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
IBGA iShares iBonds Dec 2044 Term Treasury ETF | -0.37% | 6.09% | -1.41% |
NUBD Nuveen ESG U.S. Aggregate Bond ETF | 0.20% | 6.75% | 1.87% |
Correlation
The correlation between IBGA and NUBD is 0.89, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.89 |
Correlation (All Time) Calculated using the full available price history since Jun 13, 2024 | 0.91 |
The correlation between IBGA and NUBD has been stable across timeframes, ranging from 0.89 to 0.91 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
IBGA vs. NUBD — Risk / Return Rank
IBGA
NUBD
IBGA vs. NUBD - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2044 Term Treasury ETF (IBGA) 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.
| IBGA | NUBD | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.66 | ||
| Sortino ratioReturn per unit of downside risk | -0.94 | ||
| Omega ratioGain probability vs. loss probability | 1.11 | 1.23 | -0.12 |
| Calmar ratioReturn relative to maximum drawdown | 0.81 | 1.81 | -1.00 |
| Martin ratioReturn relative to average drawdown | 2.23 | 5.38 | -3.15 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| IBGA | NUBD | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.65 | 1.32 | -0.66 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | -0.01 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.22 | 0.29 | -0.07 |
Drawdowns
IBGA vs. NUBD - Drawdown Comparison
The maximum IBGA drawdown since its inception was -11.69%, smaller than the maximum NUBD drawdown of -19.45%. Use the drawdown chart below to compare losses from any high point for IBGA and NUBD.
Loading charts...
Drawdown Indicators
| IBGA | NUBD | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -11.69% | -19.45% | +7.76% |
Max Drawdown (1Y)Largest decline over 1 year | -6.60% | -2.76% | -3.84% |
Max Drawdown (3Y)Largest decline over 3 years | — | -5.94% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -17.90% | — |
Current DrawdownCurrent decline from peak | -4.67% | -3.93% | -0.74% |
Average DrawdownAverage peak-to-trough decline | -5.05% | -6.05% | +1.00% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.40% | 0.93% | +1.47% |
Volatility
IBGA vs. NUBD - Volatility Comparison
iShares iBonds Dec 2044 Term Treasury ETF (IBGA) has a higher volatility of 2.59% compared to Nuveen ESG U.S. Aggregate Bond ETF (NUBD) at 1.23%. This indicates that IBGA's price experiences larger fluctuations and is considered to be riskier than NUBD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| IBGA | NUBD | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.59% | 1.23% | +1.36% |
Volatility (6M)Calculated over the trailing 6-month period | 5.68% | 2.61% | +3.07% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.21% | 3.79% | +4.42% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.86% | 5.99% | +3.87% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.86% | 5.12% | +4.74% |
IBGA vs. NUBD - Expense Ratio Comparison
IBGA has a 0.07% expense ratio, which is lower than NUBD's 0.15% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
IBGA vs. NUBD - Dividend Comparison
IBGA's dividend yield for the trailing twelve months is around 4.66%, more than NUBD's 3.99% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
IBGA iShares iBonds Dec 2044 Term Treasury ETF | 4.66% | 4.49% | 2.03% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
NUBD Nuveen ESG U.S. Aggregate Bond ETF | 3.99% | 3.90% | 3.51% | 2.99% | 2.83% | 2.05% | 2.21% | 2.66% | 3.08% | 0.58% |
Frequently Asked Questions
IBGA and NUBD have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IBGA has higher volatility (2.59%) compared to NUBD (1.23%). In terms of maximum drawdown, IBGA dropped -11.69% vs NUBD's -19.45%.
On 1-year performance, IBGA leads with 5.33% vs 4.97% for NUBD. On fees, IBGA is cheaper at 0.07% per year. On volatility, NUBD has been the lower-risk option at 1.23%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IBGA has performed better with a 5.33% return vs 4.97%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBGA is cheaper with a 0.07% expense ratio, compared with 0.15% for NUBD.
IBGA has the higher dividend yield at 4.66%, compared with 3.99% for NUBD.
IBGA tracks ICE 2044 Maturity US Treasury Index, while NUBD tracks Bloomberg MSCI U.S. Aggregate ESG Select Index. They also come from different issuers: iShares and Nuveen. Their fees differ too: 0.07% for IBGA and 0.15% for NUBD.
NUBD currently has the higher Sharpe Ratio (1.32 vs 0.65), 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.
Find the right allocation for IBGA and NUBD
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer