IBTL vs. VGIT
IBTL (iShares iBonds Dec 2031 Term Treasury ETF) and VGIT (Vanguard Intermediate-Term Treasury ETF) are both Government Bonds funds - IBTL tracks the ICE 2031 Maturity US Treasury Index while VGIT tracks the Bloomberg U.S. Treasury 3-10 Year Index. Both are passively managed. Over the past 3 years, IBTL returned 2.92%/yr vs 3.56%/yr for VGIT. Their correlation of 0.94 suggests significant overlap in exposure. IBTL charges 0.07%/yr vs 0.03%/yr for VGIT.
Performance
IBTL vs. VGIT - Performance Comparison
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Returns By Period
In the year-to-date period, IBTL achieves a -0.47% return, which is significantly lower than VGIT's -0.39% return.
IBTL
- 1D
- 0.17%
- 1M
- 0.34%
- YTD
- -0.47%
- 6M
- -0.30%
- 1Y
- 2.75%
- 3Y*
- 2.92%
- 5Y*
- —
- 10Y*
- —
VGIT
- 1D
- 0.12%
- 1M
- 0.38%
- YTD
- -0.39%
- 6M
- -0.22%
- 1Y
- 2.74%
- 3Y*
- 3.56%
- 5Y*
- 0.11%
- 10Y*
- 1.14%
IBTL vs. VGIT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
IBTL iShares iBonds Dec 2031 Term Treasury ETF | -0.47% | 7.85% | 0.36% | 3.60% | -15.60% | -1.22% |
VGIT Vanguard Intermediate-Term Treasury ETF | -0.39% | 7.34% | 1.39% | 4.28% | -10.53% | -1.59% |
Correlation
The correlation between IBTL and VGIT is 0.99 - 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 | 0.99 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.99 |
Correlation (All Time) Calculated using the full available price history since Aug 30, 2021 | 0.94 |
The correlation between IBTL and VGIT has been stable across timeframes, ranging from 0.94 to 0.99 - a consistent structural relationship.
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Return for Risk
IBTL vs. VGIT — Risk / Return Rank
IBTL
VGIT
IBTL vs. VGIT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2031 Term Treasury ETF (IBTL) and Vanguard Intermediate-Term Treasury ETF (VGIT). 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.
| IBTL | VGIT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.03 | ||
| Sortino ratioReturn per unit of downside risk | -0.05 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 1.14 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 0.97 | 0.97 | +0.01 |
| Martin ratioReturn relative to average drawdown | 2.56 | 2.61 | -0.05 |
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Drawdowns
IBTL vs. VGIT - Drawdown Comparison
The maximum IBTL drawdown since its inception was -20.93%, which is greater than VGIT's maximum drawdown of -16.05%. Use the drawdown chart below to compare losses from any high point for IBTL and VGIT.
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Drawdown Indicators
| IBTL | VGIT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -20.93% | -16.05% | -4.88% |
Max Drawdown (1Y)Largest decline over 1 year | -2.83% | -2.83% | 0.00% |
Max Drawdown (3Y)Largest decline over 3 years | -7.38% | -4.34% | -3.04% |
Max Drawdown (5Y)Largest decline over 5 years | — | -15.02% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -16.05% | — |
Current DrawdownCurrent decline from peak | -7.25% | -2.32% | -4.93% |
Average DrawdownAverage peak-to-trough decline | -11.41% | -3.51% | -7.90% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.08% | 1.05% | +0.03% |
Volatility
IBTL vs. VGIT - Volatility Comparison
iShares iBonds Dec 2031 Term Treasury ETF (IBTL) and Vanguard Intermediate-Term Treasury ETF (VGIT) have volatilities of 1.07% and 1.10%, 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
| IBTL | VGIT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.07% | 1.10% | -0.03% |
Volatility (6M)Calculated over the trailing 6-month period | 2.49% | 2.47% | +0.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.53% | 3.38% | +0.15% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 7.43% | 5.39% | +2.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.43% | 4.50% | +2.93% |
IBTL vs. VGIT - Expense Ratio Comparison
IBTL has a 0.07% expense ratio, which is higher than VGIT'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
IBTL vs. VGIT - Dividend Comparison
IBTL's dividend yield for the trailing twelve months is around 3.97%, more than VGIT's 3.86% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBTL iShares iBonds Dec 2031 Term Treasury ETF | 3.97% | 3.93% | 4.07% | 3.04% | 2.36% | 0.70% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VGIT Vanguard Intermediate-Term Treasury ETF | 3.86% | 3.79% | 3.67% | 2.73% | 1.74% | 1.69% | 2.23% | 2.24% | 2.05% | 1.67% | 1.69% | 1.69% |
Frequently Asked Questions
With a correlation of 0.99, IBTL and VGIT 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.
VGIT has higher volatility (1.10%) compared to IBTL (1.07%). In terms of maximum drawdown, IBTL dropped -20.93% vs VGIT's -16.05%.
On 3-year performance, VGIT leads with 3.56% vs 2.92% for IBTL. On fees, VGIT is cheaper at 0.03% 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, VGIT has performed better with a 3.56% return vs 2.92%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VGIT is cheaper with a 0.03% expense ratio, compared with 0.07% for IBTL.
IBTL has the higher dividend yield at 3.97%, compared with 3.86% for VGIT.
IBTL tracks ICE 2031 Maturity US Treasury Index, while VGIT tracks Bloomberg U.S. Treasury 3-10 Year Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.07% for IBTL and 0.03% for VGIT.
VGIT currently has the higher Sharpe Ratio (0.82 vs 0.79), 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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