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 -0.26% vs 1.54% for VGIT. Their correlation of 0.87 means they have usually moved in the same direction. 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 -1.86% return, which is significantly lower than VGIT's -0.30% return.
IBGB
- 1D
- 0.77%
- 1M
- -2.11%
- 6M
- -1.81%
- YTD
- -1.86%
- 1Y
- -0.26%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 0.52%
VGIT
- 1D
- 0.31%
- 1M
- -0.30%
- 6M
- -0.15%
- YTD
- -0.30%
- 1Y
- 1.54%
- 3Y*
- 3.78%
- 5Y*
- -0.14%
- 10Y*
- 1.16%
- ALL TIME*
- 2.16%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $32.56K | $33.15K | $77.72K | |
| $137.70M | $144.07M | $175.60M |
IBGB vs. VGIT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IBGB iShares iBonds Dec 2045 Term Treasury ETF | -1.86% | 2.62% |
VGIT Vanguard Intermediate-Term Treasury ETF | -0.30% | 4.80% |
Correlation
The correlation between IBGB and VGIT is 0.87, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.87 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 2025 | 0.87 |
The correlation between IBGB and VGIT has been stable across timeframes, ranging from 0.87 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.
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.
| IBGB | VGIT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.51 | ||
| Sortino ratioReturn per unit of downside risk | -0.69 | ||
| Omega ratioGain probability vs. loss probability | 1.00 | 1.08 | -0.08 |
| Calmar ratioReturn relative to maximum drawdown | -0.04 | 0.55 | -0.58 |
| Martin ratioReturn relative to average drawdown | -0.08 | 1.25 | -1.33 |
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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 | — | -14.62% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -16.05% | — |
Current DrawdownCurrent decline from peak | -5.59% | -2.24% | -3.35% |
Average DrawdownAverage peak-to-trough decline | -3.31% | -3.51% | +0.20% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.07% | 1.24% | +1.83% |
Volatility
IBGB vs. VGIT - Volatility Comparison
iShares iBonds Dec 2045 Term Treasury ETF (IBGB) has a higher volatility of 2.36% compared to Vanguard Intermediate-Term Treasury ETF (VGIT) at 0.91%. 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 | 2.36% | 0.91% | +1.45% |
Volatility (6M)Calculated over the trailing 6-month period | 6.21% | 2.61% | +3.60% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.02% | 3.21% | +4.81% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.37% | 5.39% | +3.98% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.37% | 4.49% | +4.88% |
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 4.74%, more than VGIT's 3.89% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBGB iShares iBonds Dec 2045 Term Treasury ETF | 4.74% | 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 | 3.89% | 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 (2.36%) compared to VGIT (0.91%). In terms of maximum drawdown, IBGB dropped -8.09% vs VGIT's -16.05%.
On 1-year performance, VGIT leads with 1.54% vs -0.26% for IBGB. On fees, VGIT is cheaper at 0.03% per year. On volatility, VGIT has been the lower-risk option at 0.91%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, VGIT has performed better with a 1.54% return vs -0.26%. 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 4.74%, compared with 3.89% 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 (0.48 vs -0.03), 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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