NUBD vs. IBTO
NUBD (Nuveen ESG U.S. Aggregate Bond ETF) and IBTO (iShares iBonds Dec 2033 Term Treasury ETF) are both Intermediate Core Bond funds - NUBD tracks the Bloomberg MSCI U.S. Aggregate ESG Select Index while IBTO tracks the ICE 2033 Maturity US Treasury Index. Both are passively managed. Over the past 3 years, NUBD returned 4.04%/yr vs 3.18%/yr for IBTO. Their correlation of 0.93 means they have usually moved in the same direction. NUBD charges 0.15%/yr vs 0.07%/yr for IBTO.
Performance
NUBD vs. IBTO - Performance Comparison
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Returns By Period
In the year-to-date period, NUBD achieves a 0.05% return, which is significantly higher than IBTO's -0.54% return.
NUBD
- 1D
- 0.44%
- 1M
- -0.55%
- 6M
- -0.10%
- YTD
- 0.05%
- 1Y
- 2.25%
- 3Y*
- 4.04%
- 5Y*
- -0.41%
- 10Y*
- —
- ALL TIME*
- 1.43%
IBTO
- 1D
- 0.42%
- 1M
- -0.43%
- 6M
- -0.25%
- YTD
- -0.54%
- 1Y
- 1.38%
- 3Y*
- 3.18%
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 2.68%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $5.12M | $3.14M | $2.17M | |
| $1.01M | $1.49M | $1.50M |
NUBD vs. IBTO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
NUBD Nuveen ESG U.S. Aggregate Bond ETF | 0.05% | 6.75% | 1.31% | 2.79% |
IBTO iShares iBonds Dec 2033 Term Treasury ETF | -0.54% | 8.23% | -0.87% | 1.71% |
Correlation
The correlation between NUBD and IBTO is 0.91, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.91 |
Correlation (3Y) Balances recent behavior with more history. | 0.93 |
Correlation (All Time) Calculated using the full available price history since Jun 29, 2023 | 0.93 |
The correlation between NUBD and IBTO has been stable across timeframes, ranging from 0.91 to 0.93 - a consistent structural relationship.
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Return for Risk
NUBD vs. IBTO — Risk / Return Rank
NUBD
IBTO
NUBD vs. IBTO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Nuveen ESG U.S. Aggregate Bond ETF (NUBD) and iShares iBonds Dec 2033 Term Treasury ETF (IBTO). 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.
| NUBD | IBTO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.28 | ||
| Sortino ratioReturn per unit of downside risk | +0.37 | ||
| Omega ratioGain probability vs. loss probability | 1.10 | 1.06 | +0.05 |
| Calmar ratioReturn relative to maximum drawdown | 0.82 | 0.38 | +0.44 |
| Martin ratioReturn relative to average drawdown | 1.99 | 0.85 | +1.14 |
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Drawdowns
NUBD vs. IBTO - Drawdown Comparison
The maximum NUBD drawdown since its inception was -19.45%, which is greater than IBTO's maximum drawdown of -8.36%. Use the drawdown chart below to compare losses from any high point for NUBD and IBTO.
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Drawdown Indicators
| NUBD | IBTO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.45% | -8.36% | -11.09% |
Max Drawdown (1Y)Largest decline over 1 year | -2.76% | -3.66% | +0.90% |
Max Drawdown (3Y)Largest decline over 3 years | -4.95% | -6.91% | +1.96% |
Max Drawdown (5Y)Largest decline over 5 years | -17.76% | — | — |
Current DrawdownCurrent decline from peak | -4.07% | -2.60% | -1.47% |
Average DrawdownAverage peak-to-trough decline | -6.01% | -2.38% | -3.63% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.13% | 1.63% | -0.50% |
Volatility
NUBD vs. IBTO - Volatility Comparison
Nuveen ESG U.S. Aggregate Bond ETF (NUBD) and iShares iBonds Dec 2033 Term Treasury ETF (IBTO) have volatilities of 1.18% and 1.15%, 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
| NUBD | IBTO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.18% | 1.15% | +0.03% |
Volatility (6M)Calculated over the trailing 6-month period | 2.95% | 3.31% | -0.36% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.71% | 4.17% | -0.46% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.99% | 6.51% | -0.52% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.10% | 6.51% | -1.41% |
NUBD vs. IBTO - Expense Ratio Comparison
NUBD has a 0.15% expense ratio, which is higher than IBTO's 0.07% 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%.
Dividends
NUBD vs. IBTO - Dividend Comparison
NUBD's dividend yield for the trailing twelve months is around 4.07%, less than IBTO's 4.18% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
IBTO iShares iBonds Dec 2033 Term Treasury ETF | 4.18% | 4.05% | 4.23% | 1.66% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
NUBD Nuveen ESG U.S. Aggregate Bond ETF | 4.07% | 3.90% | 3.51% | 2.99% | 2.83% | 2.05% | 2.21% | 2.66% | 3.08% | 0.58% |
Frequently Asked Questions
With a correlation of 0.91, NUBD and IBTO move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
NUBD has higher volatility (1.18%) compared to IBTO (1.15%). In terms of maximum drawdown, NUBD dropped -19.45% vs IBTO's -8.36%.
On 3-year performance, NUBD leads with 4.04% vs 3.18% for IBTO. On fees, IBTO is cheaper at 0.07% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, NUBD has performed better with a 4.04% return vs 3.18%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBTO is cheaper with a 0.07% expense ratio, compared with 0.15% for NUBD.
IBTO has the higher dividend yield at 4.18%, compared with 4.07% for NUBD.
NUBD tracks Bloomberg MSCI U.S. Aggregate ESG Select Index, while IBTO tracks ICE 2033 Maturity US Treasury Index. They also come from different issuers: Nuveen and iShares. Their fees differ too: 0.15% for NUBD and 0.07% for IBTO.
NUBD currently has the higher Sharpe Ratio (0.61 vs 0.33), 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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