IBGA vs. VTG
IBGA (iShares iBonds Dec 2044 Term Treasury ETF) and VTG (Vanguard Total Treasury ETF) are both Intermediate Core Bond funds - IBGA tracks the ICE 2044 Maturity US Treasury Index while VTG tracks the Bloomberg U.S. Treasury Total Return Unhedged USD Index. Both are passively managed. With a 0.96 correlation, they move nearly in lockstep. IBGA charges 0.07%/yr vs 0.03%/yr for VTG.
Performance
IBGA vs. VTG - Performance Comparison
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Returns By Period
In the year-to-date period, IBGA achieves a -0.37% return, which is significantly lower than VTG's -0.11% return.
IBGA
- 1D
- -0.41%
- 1M
- 0.62%
- YTD
- -0.37%
- 6M
- -1.42%
- 1Y
- 5.33%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
VTG
- 1D
- -0.17%
- 1M
- 0.11%
- YTD
- -0.11%
- 6M
- -0.30%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IBGA vs. VTG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IBGA iShares iBonds Dec 2044 Term Treasury ETF | -0.37% | 3.26% |
VTG Vanguard Total Treasury ETF | -0.11% | 2.88% |
Correlation
The correlation between IBGA and VTG is 0.96 - 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 (All Time) Calculated using the full available price history since Jul 10, 2025 | 0.96 |
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Return for Risk
IBGA vs. VTG — Risk / Return Rank
IBGA
VTG
IBGA vs. VTG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2044 Term Treasury ETF (IBGA) and Vanguard Total Treasury ETF (VTG). 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.
| IBGA | VTG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.11 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 0.81 | — | — |
| Martin ratioReturn relative to average drawdown | 2.23 | — | — |
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
| IBGA | VTG | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.65 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.22 | 0.88 | -0.66 |
Drawdowns
IBGA vs. VTG - Drawdown Comparison
The maximum IBGA drawdown since its inception was -11.69%, which is greater than VTG's maximum drawdown of -2.89%. Use the drawdown chart below to compare losses from any high point for IBGA and VTG.
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Drawdown Indicators
| IBGA | VTG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -11.69% | -2.89% | -8.80% |
Max Drawdown (1Y)Largest decline over 1 year | -6.60% | — | — |
Current DrawdownCurrent decline from peak | -4.67% | -1.89% | -2.78% |
Average DrawdownAverage peak-to-trough decline | -5.05% | -0.73% | -4.32% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.40% | — | — |
Volatility
IBGA vs. VTG - Volatility Comparison
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Volatility by Period
| IBGA | VTG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.59% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 5.68% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 8.21% | 3.51% | +4.70% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.86% | 3.51% | +6.35% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.86% | 3.51% | +6.35% |
IBGA vs. VTG - Expense Ratio Comparison
IBGA has a 0.07% expense ratio, which is higher than VTG'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
IBGA vs. VTG - Dividend Comparison
IBGA's dividend yield for the trailing twelve months is around 4.66%, more than VTG's 3.21% yield.
| Position | TTM | 2025 | 2024 |
|---|---|---|---|
IBGA iShares iBonds Dec 2044 Term Treasury ETF | 4.66% | 4.49% | 2.03% |
VTG Vanguard Total Treasury ETF | 3.21% | 1.65% | 0.00% |
Frequently Asked Questions
With a correlation of 0.96, IBGA and VTG 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.
On fees, VTG is cheaper at 0.03% per year. The better choice depends on whether you care most about return, fees, risk, or income.
VTG is cheaper with a 0.03% expense ratio, compared with 0.07% for IBGA.
IBGA has the higher dividend yield at 4.66%, compared with 3.21% for VTG.
IBGA tracks ICE 2044 Maturity US Treasury Index, while VTG tracks Bloomberg U.S. Treasury Total Return Unhedged USD Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.07% for IBGA and 0.03% for VTG.
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