ILTB vs. VGLT
ILTB (iShares Core 10+ Year USD Bond ETF) and VGLT (Vanguard Long-Term 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 VGLT is a Government Bonds fund tracking the Bloomberg U.S. Long Treasury Index. Both are passively managed. Over the past 10 years, ILTB returned 0.70%/yr vs -1.72%/yr for VGLT. Their correlation of 0.86 means they have usually moved in the same direction. ILTB charges 0.06%/yr vs 0.03%/yr for VGLT.
Performance
ILTB vs. VGLT - Performance Comparison
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Returns By Period
In the year-to-date period, ILTB achieves a -2.31% return, which is significantly higher than VGLT's -2.90% return. Over the past 10 years, ILTB has outperformed VGLT with an annualized return of 0.70%, while VGLT has yielded a comparatively lower -1.72% annualized return.
ILTB
- 1D
- 0.40%
- 1M
- -3.14%
- 6M
- -2.28%
- YTD
- -2.31%
- 1Y
- 0.54%
- 3Y*
- 2.67%
- 5Y*
- -4.57%
- 10Y*
- 0.70%
- ALL TIME*
- 3.71%
VGLT
- 1D
- 0.37%
- 1M
- -3.15%
- 6M
- -2.54%
- YTD
- -2.90%
- 1Y
- -1.31%
- 3Y*
- -0.04%
- 5Y*
- -7.20%
- 10Y*
- -1.72%
- ALL TIME*
- 2.29%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $1.83M | $1.76M | $2.56M | |
| $99.02M | $99.81M | $109.19M |
ILTB vs. VGLT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ILTB iShares Core 10+ Year USD Bond ETF | -2.31% | 7.22% | -3.00% | 8.04% | -26.62% | -2.67% | 16.10% | 19.61% | -5.10% | 11.24% |
VGLT Vanguard Long-Term Treasury ETF | -2.90% | 5.35% | -6.28% | 3.27% | -29.34% | -4.98% | 17.57% | 14.30% | -1.54% | 8.64% |
Correlation
The correlation between ILTB and VGLT is 0.97 - they have historically moved very closely together. At this level, their price movements offset little of one another.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.97 |
Correlation (3Y) Balances recent behavior with more history. | 0.97 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.96 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.92 |
Correlation (All Time) Calculated using the full available price history since Dec 9, 2009 | 0.86 |
The correlation between ILTB and VGLT shifts across timeframes, from 0.86 (all time) to 0.97 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
ILTB vs. VGLT — Risk / Return Rank
ILTB
VGLT
ILTB vs. VGLT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core 10+ Year USD Bond ETF (ILTB) and Vanguard Long-Term Treasury ETF (VGLT). 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 | VGLT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.23 | ||
| Sortino ratioReturn per unit of downside risk | +0.31 | ||
| Omega ratioGain probability vs. loss probability | 1.02 | 0.98 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 0.10 | -0.19 | +0.28 |
| Martin ratioReturn relative to average drawdown | 0.22 | -0.41 | +0.63 |
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Drawdowns
ILTB vs. VGLT - Drawdown Comparison
The maximum ILTB drawdown since its inception was -36.88%, smaller than the maximum VGLT drawdown of -46.18%. Use the drawdown chart below to compare losses from any high point for ILTB and VGLT.
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Drawdown Indicators
| ILTB | VGLT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -36.88% | -46.18% | +9.30% |
Max Drawdown (1Y)Largest decline over 1 year | -5.60% | -7.03% | +1.43% |
Max Drawdown (3Y)Largest decline over 3 years | -11.33% | -13.38% | +2.05% |
Max Drawdown (5Y)Largest decline over 5 years | -35.22% | -40.98% | +5.76% |
Max Drawdown (10Y)Largest decline over 10 years | -36.88% | -46.18% | +9.30% |
Current DrawdownCurrent decline from peak | -23.33% | -38.41% | +15.08% |
Average DrawdownAverage peak-to-trough decline | -10.03% | -15.27% | +5.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.48% | 3.22% | -0.74% |
Volatility
ILTB vs. VGLT - Volatility Comparison
The current volatility for iShares Core 10+ Year USD Bond ETF (ILTB) is 2.11%, while Vanguard Long-Term Treasury ETF (VGLT) has a volatility of 2.30%. This indicates that ILTB experiences smaller price fluctuations and is considered to be less risky than VGLT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ILTB | VGLT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.11% | 2.30% | -0.19% |
Volatility (6M)Calculated over the trailing 6-month period | 5.86% | 6.31% | -0.45% |
Volatility (1Y)Calculated over the trailing 1-year period | 7.61% | 8.39% | -0.78% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 12.59% | 14.46% | -1.87% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 11.54% | 13.75% | -2.21% |
ILTB vs. VGLT - Expense Ratio Comparison
ILTB has a 0.06% expense ratio, which is higher than VGLT's 0.03% 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
ILTB vs. VGLT - Dividend Comparison
ILTB's dividend yield for the trailing twelve months is around 5.14%, more than VGLT's 4.78% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ILTB iShares Core 10+ Year USD Bond ETF | 5.14% | 4.83% | 4.91% | 4.38% | 4.31% | 3.04% | 3.32% | 3.45% | 4.13% | 3.97% | 3.99% | 4.20% |
VGLT Vanguard Long-Term Treasury ETF | 4.78% | 4.44% | 4.33% | 3.33% | 2.84% | 1.82% | 2.15% | 2.46% | 2.71% | 2.55% | 2.69% | 3.21% |
Frequently Asked Questions
With a correlation of 0.97, ILTB and VGLT 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.
VGLT has higher volatility (2.30%) compared to ILTB (2.11%). In terms of maximum drawdown, ILTB dropped -36.88% vs VGLT's -46.18%.
On 10-year performance, ILTB leads with 0.70% vs -1.72% for VGLT. On fees, VGLT is cheaper at 0.03% per year. On volatility, ILTB has been the lower-risk option at 2.11%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, ILTB has performed better with a 0.70% return vs -1.72%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VGLT is cheaper with a 0.03% expense ratio, compared with 0.06% for ILTB.
ILTB has the higher dividend yield at 5.14%, compared with 4.78% for VGLT.
ILTB is categorized as Long-Term Bond, while VGLT is Government Bonds. ILTB tracks Bloomberg U.S. Universal 10+ Year Index (USD), while VGLT tracks Bloomberg U.S. Long Treasury Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.06% for ILTB and 0.03% for VGLT.
ILTB currently has the higher Sharpe Ratio (0.07 vs -0.16), 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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