IBGL vs. VGIT
IBGL (iShares iBonds Dec 2055 Term Treasury ETF) and VGIT (Vanguard Intermediate-Term Treasury ETF) are both Government Bonds funds - IBGL tracks the ICE 2055 Maturity US Treasury Index while VGIT tracks the Bloomberg U.S. Treasury 3-10 Year Index. Both are passively managed. Over the past year, IBGL returned 4.26% vs 2.90% for VGIT. Their correlation of 0.82 suggests significant overlap in exposure. IBGL charges 0.07%/yr vs 0.03%/yr for VGIT.
Performance
IBGL vs. VGIT - Performance Comparison
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Returns By Period
In the year-to-date period, IBGL achieves a 2.15% return, which is significantly higher than VGIT's 0.02% return.
IBGL
- 1D
- 1.31%
- 1M
- 3.58%
- YTD
- 2.15%
- 6M
- 1.20%
- 1Y
- 4.26%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
VGIT
- 1D
- 0.41%
- 1M
- 0.79%
- YTD
- 0.02%
- 6M
- 0.02%
- 1Y
- 2.90%
- 3Y*
- 3.70%
- 5Y*
- 0.21%
- 10Y*
- 1.18%
IBGL vs. VGIT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IBGL iShares iBonds Dec 2055 Term Treasury ETF | 2.15% | 0.99% |
VGIT Vanguard Intermediate-Term Treasury ETF | 0.02% | 4.80% |
Correlation
The correlation between IBGL and VGIT is 0.82, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.82 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 2025 | 0.82 |
The correlation between IBGL and VGIT has been stable across timeframes, ranging from 0.82 to 0.82 - a consistent structural relationship.
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Return for Risk
IBGL vs. VGIT — Risk / Return Rank
IBGL
VGIT
IBGL vs. VGIT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2055 Term Treasury ETF (IBGL) 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.
| IBGL | VGIT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.39 | ||
| Sortino ratioReturn per unit of downside risk | -0.56 | ||
| Omega ratioGain probability vs. loss probability | 1.08 | 1.15 | -0.07 |
| Calmar ratioReturn relative to maximum drawdown | 0.59 | 1.03 | -0.43 |
| Martin ratioReturn relative to average drawdown | 1.41 | 2.75 | -1.34 |
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Drawdowns
IBGL vs. VGIT - Drawdown Comparison
The maximum IBGL drawdown since its inception was -9.37%, smaller than the maximum VGIT drawdown of -16.05%. Use the drawdown chart below to compare losses from any high point for IBGL and VGIT.
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Drawdown Indicators
| IBGL | VGIT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -9.37% | -16.05% | +6.68% |
Max Drawdown (1Y)Largest decline over 1 year | -7.23% | -2.83% | -4.40% |
Max Drawdown (3Y)Largest decline over 3 years | — | -4.34% | — |
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 | -2.10% | -1.92% | -0.18% |
Average DrawdownAverage peak-to-trough decline | -4.01% | -3.51% | -0.50% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.02% | 1.05% | +1.97% |
Volatility
IBGL vs. VGIT - Volatility Comparison
iShares iBonds Dec 2055 Term Treasury ETF (IBGL) has a higher volatility of 2.36% compared to Vanguard Intermediate-Term Treasury ETF (VGIT) at 1.17%. This indicates that IBGL's price experiences larger fluctuations and is considered to be riskier than VGIT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBGL | VGIT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.36% | 1.17% | +1.19% |
Volatility (6M)Calculated over the trailing 6-month period | 6.36% | 2.50% | +3.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 9.08% | 3.39% | +5.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 10.48% | 5.39% | +5.09% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 10.48% | 4.50% | +5.98% |
IBGL vs. VGIT - Expense Ratio Comparison
IBGL 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
IBGL vs. VGIT - Dividend Comparison
IBGL's dividend yield for the trailing twelve months is around 4.59%, more than VGIT's 3.85% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBGL iShares iBonds Dec 2055 Term Treasury ETF | 4.59% | 3.52% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VGIT Vanguard Intermediate-Term Treasury ETF | 3.85% | 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
IBGL and VGIT have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IBGL has higher volatility (2.36%) compared to VGIT (1.17%). In terms of maximum drawdown, IBGL dropped -9.37% vs VGIT's -16.05%.
On 1-year performance, IBGL leads with 4.26% vs 2.90% for VGIT. On fees, VGIT is cheaper at 0.03% per year. On volatility, VGIT has been the lower-risk option at 1.17%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IBGL has performed better with a 4.26% return vs 2.90%. 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 IBGL.
IBGL has the higher dividend yield at 4.59%, compared with 3.85% for VGIT.
IBGL tracks ICE 2055 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 IBGL and 0.03% for VGIT.
VGIT currently has the higher Sharpe Ratio (0.86 vs 0.47), 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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