ILTB vs. IBGK
ILTB (iShares Core 10+ Year USD Bond ETF) and IBGK (iShares iBonds Dec 2054 Term Treasury ETF) are both Long-Term Bond funds from iShares - ILTB tracks the Bloomberg U.S. Universal 10+ Year Index (USD) while IBGK tracks the ICE 2054 Maturity US Treasury Index. Both are passively managed. Over the past year, ILTB returned 7.17% vs 4.74% for IBGK. With a 0.96 correlation, they move nearly in lockstep. ILTB charges 0.06%/yr vs 0.07%/yr for IBGK.
Performance
ILTB vs. IBGK - Performance Comparison
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Returns By Period
In the year-to-date period, ILTB achieves a 0.30% return, which is significantly higher than IBGK's -0.36% return.
ILTB
- 1D
- -0.33%
- 1M
- 1.04%
- YTD
- 0.30%
- 6M
- -0.71%
- 1Y
- 7.17%
- 3Y*
- 2.78%
- 5Y*
- -2.88%
- 10Y*
- 1.32%
IBGK
- 1D
- -0.34%
- 1M
- 0.75%
- YTD
- -0.36%
- 6M
- -1.89%
- 1Y
- 4.74%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
ILTB vs. IBGK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
ILTB iShares Core 10+ Year USD Bond ETF | 0.30% | 7.22% | -0.58% |
IBGK iShares iBonds Dec 2054 Term Treasury ETF | -0.36% | 3.66% | -2.73% |
Correlation
The correlation between ILTB and IBGK is 0.97 - 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 | 0.97 |
Correlation (All Time) Calculated using the full available price history since Jun 13, 2024 | 0.96 |
The correlation between ILTB and IBGK has been stable across timeframes, ranging from 0.96 to 0.97 - a consistent structural relationship.
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Return for Risk
ILTB vs. IBGK — Risk / Return Rank
ILTB
IBGK
ILTB vs. IBGK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core 10+ Year USD Bond ETF (ILTB) and iShares iBonds Dec 2054 Term Treasury ETF (IBGK). 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.
| ILTB | IBGK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.40 | ||
| Sortino ratioReturn per unit of downside risk | +0.54 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.09 | +0.07 |
| Calmar ratioReturn relative to maximum drawdown | 1.33 | 0.65 | +0.68 |
| Martin ratioReturn relative to average drawdown | 3.38 | 1.63 | +1.75 |
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
| ILTB | IBGK | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.91 | 0.51 | +0.40 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.23 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.11 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.35 | 0.02 | +0.33 |
Drawdowns
ILTB vs. IBGK - Drawdown Comparison
The maximum ILTB drawdown since its inception was -36.88%, which is greater than IBGK's maximum drawdown of -14.62%. Use the drawdown chart below to compare losses from any high point for ILTB and IBGK.
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Drawdown Indicators
| ILTB | IBGK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -36.88% | -14.62% | -22.26% |
Max Drawdown (1Y)Largest decline over 1 year | -5.42% | -7.29% | +1.87% |
Max Drawdown (3Y)Largest decline over 3 years | -14.60% | — | — |
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 | -21.28% | -9.19% | -12.09% |
Average DrawdownAverage peak-to-trough decline | -9.92% | -8.06% | -1.86% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.13% | 2.92% | -0.79% |
Volatility
ILTB vs. IBGK - Volatility Comparison
The current volatility for iShares Core 10+ Year USD Bond ETF (ILTB) is 2.50%, while iShares iBonds Dec 2054 Term Treasury ETF (IBGK) has a volatility of 2.70%. This indicates that ILTB experiences smaller price fluctuations and is considered to be less risky than IBGK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ILTB | IBGK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.50% | 2.70% | -0.20% |
Volatility (6M)Calculated over the trailing 6-month period | 5.54% | 6.20% | -0.66% |
Volatility (1Y)Calculated over the trailing 1-year period | 7.88% | 9.36% | -1.48% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 12.64% | 11.81% | +0.83% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 11.56% | 11.81% | -0.25% |
ILTB vs. IBGK - Expense Ratio Comparison
ILTB has a 0.06% expense ratio, which is lower than IBGK's 0.07% 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. IBGK - Dividend Comparison
ILTB's dividend yield for the trailing twelve months is around 4.96%, more than IBGK's 4.72% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBGK iShares iBonds Dec 2054 Term Treasury ETF | 4.72% | 4.59% | 3.15% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
ILTB iShares Core 10+ Year USD Bond ETF | 4.96% | 4.83% | 4.91% | 4.38% | 4.31% | 3.04% | 3.32% | 3.45% | 4.13% | 3.97% | 3.99% | 4.20% |
Frequently Asked Questions
With a correlation of 0.97, ILTB and IBGK 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.
IBGK has higher volatility (2.70%) compared to ILTB (2.50%). In terms of maximum drawdown, ILTB dropped -36.88% vs IBGK's -14.62%.
On 1-year performance, ILTB leads with 7.17% vs 4.74% for IBGK. On fees, ILTB is cheaper at 0.06% per year. On volatility, ILTB has been the lower-risk option at 2.50%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, ILTB has performed better with a 7.17% return vs 4.74%. 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 0.07% for IBGK.
ILTB has the higher dividend yield at 4.96%, compared with 4.72% for IBGK.
ILTB tracks Bloomberg U.S. Universal 10+ Year Index (USD), while IBGK tracks ICE 2054 Maturity US Treasury Index. Their fees differ too: 0.06% for ILTB and 0.07% for IBGK.
ILTB currently has the higher Sharpe Ratio (0.91 vs 0.51), 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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