IBGB vs. VGIT
IBGB (iShares iBonds Dec 2045 Term Treasury ETF) and VGIT (Vanguard Intermediate-Term Treasury ETF) are both Government Bonds funds - IBGB tracks the ICE 2045 Maturity US Treasury Index while VGIT tracks the Bloomberg U.S. Treasury 3-10 Year Index. Both are passively managed. Over the past year, IBGB returned 4.04% vs 3.19% for VGIT. Their correlation of 0.86 suggests significant overlap in exposure. IBGB charges 0.07%/yr vs 0.03%/yr for VGIT.
Performance
IBGB vs. VGIT - Performance Comparison
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Returns By Period
In the year-to-date period, IBGB achieves a -0.23% return, which is significantly higher than VGIT's -0.32% return.
IBGB
- 1D
- 0.17%
- 1M
- 0.38%
- YTD
- -0.23%
- 6M
- -0.92%
- 1Y
- 4.04%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
VGIT
- 1D
- 0.14%
- 1M
- -0.08%
- YTD
- -0.32%
- 6M
- -0.27%
- 1Y
- 3.19%
- 3Y*
- 3.44%
- 5Y*
- 0.07%
- 10Y*
- 1.26%
IBGB vs. VGIT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IBGB iShares iBonds Dec 2045 Term Treasury ETF | -0.23% | 2.71% |
VGIT Vanguard Intermediate-Term Treasury ETF | -0.32% | 4.92% |
Correlation
The correlation between IBGB and VGIT is 0.87, 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 | 0.87 |
Correlation (All Time) Calculated using the full available price history since Mar 27, 2025 | 0.86 |
The correlation between IBGB and VGIT has been stable across timeframes, ranging from 0.86 to 0.87 - a consistent structural relationship.
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Return for Risk
IBGB vs. VGIT — Risk / Return Rank
IBGB
VGIT
IBGB vs. VGIT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2045 Term Treasury ETF (IBGB) 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.
| IBGB | VGIT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.47 | ||
| Sortino ratioReturn per unit of downside risk | -0.69 | ||
| Omega ratioGain probability vs. loss probability | 1.09 | 1.17 | -0.08 |
| Calmar ratioReturn relative to maximum drawdown | 0.60 | 1.13 | -0.53 |
| Martin ratioReturn relative to average drawdown | 1.61 | 3.36 | -1.76 |
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
| IBGB | VGIT | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.49 | 0.96 | -0.47 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.01 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.28 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.22 | 0.50 | -0.28 |
Drawdowns
IBGB vs. VGIT - Drawdown Comparison
The maximum IBGB drawdown since its inception was -8.09%, smaller than the maximum VGIT drawdown of -16.05%. Use the drawdown chart below to compare losses from any high point for IBGB and VGIT.
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Drawdown Indicators
| IBGB | VGIT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -8.09% | -16.05% | +7.96% |
Max Drawdown (1Y)Largest decline over 1 year | -6.79% | -2.83% | -3.96% |
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 | -4.02% | -2.26% | -1.76% |
Average DrawdownAverage peak-to-trough decline | -3.17% | -3.52% | +0.35% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.52% | 0.95% | +1.57% |
Volatility
IBGB vs. VGIT - Volatility Comparison
iShares iBonds Dec 2045 Term Treasury ETF (IBGB) has a higher volatility of 2.58% compared to Vanguard Intermediate-Term Treasury ETF (VGIT) at 1.06%. This indicates that IBGB'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
| IBGB | VGIT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.58% | 1.06% | +1.52% |
Volatility (6M)Calculated over the trailing 6-month period | 5.79% | 2.33% | +3.46% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.44% | 3.38% | +5.06% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.52% | 5.38% | +4.14% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.52% | 4.50% | +5.02% |
IBGB vs. VGIT - Expense Ratio Comparison
IBGB 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
IBGB vs. VGIT - Dividend Comparison
IBGB's dividend yield for the trailing twelve months is around 4.63%, more than VGIT's 3.86% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBGB iShares iBonds Dec 2045 Term Treasury ETF | 4.63% | 3.53% | 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 | 3.86% | 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
IBGB and VGIT have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IBGB has higher volatility (2.58%) compared to VGIT (1.06%). In terms of maximum drawdown, IBGB dropped -8.09% vs VGIT's -16.05%.
On 1-year performance, IBGB leads with 4.04% vs 3.19% for VGIT. On fees, VGIT is cheaper at 0.03% per year. On volatility, VGIT has been the lower-risk option at 1.06%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IBGB has performed better with a 4.04% return vs 3.19%. 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 IBGB.
IBGB has the higher dividend yield at 4.63%, compared with 3.86% for VGIT.
IBGB tracks ICE 2045 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 IBGB and 0.03% for VGIT.
VGIT currently has the higher Sharpe Ratio (0.96 vs 0.49), 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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