ILTB vs. XTWY
ILTB (iShares Core 10+ Year USD Bond ETF) and XTWY (BondBloxx Bloomberg Twenty Year Target Duration US Treasury ETF) are both exchange-traded funds - ILTB is a Long-Term Bond fund tracking the Bloomberg U.S. Universal 10+ Year Index (USD), while XTWY is a Government Bonds fund tracking the Bloomberg US Treasury 20 Year Target Duration Index. Both are passively managed. Over the past 3 years, ILTB returned 2.95%/yr vs -2.77%/yr for XTWY. With a 0.95 correlation, they move nearly in lockstep. ILTB charges 0.06%/yr vs 0.12%/yr for XTWY.
Performance
ILTB vs. XTWY - Performance Comparison
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Returns By Period
In the year-to-date period, ILTB achieves a 2.02% return, which is significantly lower than XTWY's 2.55% return.
ILTB
- 1D
- 0.00%
- 1M
- 2.25%
- YTD
- 2.02%
- 6M
- 1.36%
- 1Y
- 6.54%
- 3Y*
- 2.95%
- 5Y*
- -2.88%
- 10Y*
- 1.23%
XTWY
- 1D
- -0.04%
- 1M
- 3.85%
- YTD
- 2.55%
- 6M
- 1.27%
- 1Y
- 4.53%
- 3Y*
- -2.77%
- 5Y*
- —
- 10Y*
- —
ILTB vs. XTWY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
ILTB iShares Core 10+ Year USD Bond ETF | 2.02% | 7.22% | -3.00% | 8.04% | -3.39% |
XTWY BondBloxx Bloomberg Twenty Year Target Duration US Treasury ETF | 2.55% | 2.52% | -10.25% | 2.73% | -7.81% |
Correlation
The correlation between ILTB and XTWY is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.96 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.95 |
Correlation (All Time) Calculated using the full available price history since Sep 15, 2022 | 0.95 |
The correlation between ILTB and XTWY has been stable across timeframes, ranging from 0.95 to 0.96 - a consistent structural relationship.
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Return for Risk
ILTB vs. XTWY — Risk / Return Rank
ILTB
XTWY
ILTB vs. XTWY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core 10+ Year USD Bond ETF (ILTB) and BondBloxx Bloomberg Twenty Year Target Duration US Treasury ETF (XTWY). 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.
| ILTB | XTWY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.45 | ||
| Sortino ratioReturn per unit of downside risk | +0.60 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 1.07 | +0.07 |
| Calmar ratioReturn relative to maximum drawdown | 1.21 | 0.48 | +0.73 |
| Martin ratioReturn relative to average drawdown | 2.98 | 1.11 | +1.88 |
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Drawdowns
ILTB vs. XTWY - Drawdown Comparison
The maximum ILTB drawdown since its inception was -36.88%, which is greater than XTWY's maximum drawdown of -25.92%. Use the drawdown chart below to compare losses from any high point for ILTB and XTWY.
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Drawdown Indicators
| ILTB | XTWY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -36.88% | -25.92% | -10.96% |
Max Drawdown (1Y)Largest decline over 1 year | -5.42% | -9.48% | +4.06% |
Max Drawdown (3Y)Largest decline over 3 years | -14.60% | -22.16% | +7.56% |
Max Drawdown (5Y)Largest decline over 5 years | -35.22% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -36.88% | — | — |
Current DrawdownCurrent decline from peak | -19.93% | -12.77% | -7.16% |
Average DrawdownAverage peak-to-trough decline | -9.96% | -12.25% | +2.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.19% | 4.10% | -1.91% |
Volatility
ILTB vs. XTWY - Volatility Comparison
The current volatility for iShares Core 10+ Year USD Bond ETF (ILTB) is 2.03%, while BondBloxx Bloomberg Twenty Year Target Duration US Treasury ETF (XTWY) has a volatility of 2.95%. This indicates that ILTB experiences smaller price fluctuations and is considered to be less risky than XTWY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ILTB | XTWY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.03% | 2.95% | -0.92% |
Volatility (6M)Calculated over the trailing 6-month period | 5.76% | 7.99% | -2.23% |
Volatility (1Y)Calculated over the trailing 1-year period | 7.75% | 11.45% | -3.70% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 12.62% | 17.54% | -4.92% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 11.56% | 17.54% | -5.98% |
ILTB vs. XTWY - Expense Ratio Comparison
ILTB has a 0.06% expense ratio, which is lower than XTWY's 0.13% 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
ILTB vs. XTWY - Dividend Comparison
ILTB's dividend yield for the trailing twelve months is around 4.87%, more than XTWY's 4.56% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ILTB iShares Core 10+ Year USD Bond ETF | 4.87% | 4.83% | 4.91% | 4.38% | 4.31% | 3.04% | 3.32% | 3.45% | 4.13% | 3.97% | 3.99% | 4.20% |
XTWY BondBloxx Bloomberg Twenty Year Target Duration US Treasury ETF | 4.56% | 4.56% | 4.65% | 3.86% | 1.08% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.96, ILTB and XTWY 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.
XTWY has higher volatility (2.95%) compared to ILTB (2.03%). In terms of maximum drawdown, ILTB dropped -36.88% vs XTWY's -25.92%.
On 3-year performance, ILTB leads with 2.95% vs -2.77% for XTWY. On fees, ILTB is cheaper at 0.06% per year. On volatility, ILTB has been the lower-risk option at 2.03%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, ILTB has performed better with a 2.95% return vs -2.77%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
ILTB is cheaper with a 0.06% expense ratio, compared with 0.12% for XTWY.
ILTB has the higher dividend yield at 4.87%, compared with 4.56% for XTWY.
ILTB is categorized as Long-Term Bond, while XTWY is Government Bonds. ILTB tracks Bloomberg U.S. Universal 10+ Year Index (USD), while XTWY tracks Bloomberg US Treasury 20 Year Target Duration Index. They also come from different issuers: iShares and BondBloxx. Their fees differ too: 0.06% for ILTB and 0.12% for XTWY.
ILTB currently has the higher Sharpe Ratio (0.85 vs 0.40), 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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