IBTK vs. VTG
IBTK (iShares iBonds Dec 2030 Term Treasury ETF) and VTG (Vanguard Total Treasury ETF) are both Government Bonds funds - IBTK tracks the ICE 2030 Maturity US Treasury Index while VTG tracks the Bloomberg U.S. Treasury Total Return Unhedged USD Index. Both are passively managed. Over the past year, IBTK returned 2.64% vs 2.81% for VTG. Their correlation of 0.93 suggests significant overlap in exposure. IBTK charges 0.07%/yr vs 0.03%/yr for VTG.
Performance
IBTK vs. VTG - Performance Comparison
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Returns By Period
The year-to-date returns for both stocks are quite close, with IBTK having a -0.42% return and VTG slightly lower at -0.43%.
IBTK
- 1D
- -0.18%
- 1M
- -0.18%
- 6M
- -0.37%
- YTD
- -0.42%
- 1Y
- 2.64%
- 3Y*
- 3.32%
- 5Y*
- -0.82%
- 10Y*
- —
VTG
- 1D
- -0.28%
- 1M
- -0.53%
- 6M
- -0.49%
- YTD
- -0.43%
- 1Y
- 2.81%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IBTK vs. VTG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IBTK iShares iBonds Dec 2030 Term Treasury ETF | -0.42% | 3.14% |
VTG Vanguard Total Treasury ETF | -0.43% | 3.07% |
Correlation
The correlation between IBTK and VTG is 0.93, 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 | 0.93 |
Correlation (All Time) Calculated using the full available price history since Jul 9, 2025 | 0.93 |
The correlation between IBTK and VTG has been stable across timeframes, ranging from 0.93 to 0.93 - a consistent structural relationship.
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Return for Risk
IBTK vs. VTG — Risk / Return Rank
IBTK
VTG
IBTK vs. VTG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2030 Term Treasury ETF (IBTK) 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.
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.
| IBTK | VTG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.08 | ||
| Sortino ratioReturn per unit of downside risk | +0.13 | ||
| Omega ratioGain probability vs. loss probability | 1.15 | 1.14 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | 1.15 | 0.98 | +0.17 |
| Martin ratioReturn relative to average drawdown | 2.85 | 2.56 | +0.29 |
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Drawdowns
IBTK vs. VTG - Drawdown Comparison
The maximum IBTK drawdown since its inception was -22.84%, which is greater than VTG's maximum drawdown of -2.89%. Use the drawdown chart below to compare losses from any high point for IBTK and VTG.
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Drawdown Indicators
| IBTK | VTG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -22.84% | -2.89% | -19.95% |
Max Drawdown (1Y)Largest decline over 1 year | -2.31% | -2.89% | +0.58% |
Max Drawdown (3Y)Largest decline over 3 years | -5.94% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -19.22% | — | — |
Current DrawdownCurrent decline from peak | -9.94% | -2.21% | -7.73% |
Average DrawdownAverage peak-to-trough decline | -12.52% | -0.83% | -11.69% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.93% | 1.10% | -0.17% |
Volatility
IBTK vs. VTG - Volatility Comparison
The current volatility for iShares iBonds Dec 2030 Term Treasury ETF (IBTK) is 0.95%, while Vanguard Total Treasury ETF (VTG) has a volatility of 1.13%. This indicates that IBTK experiences smaller price fluctuations and is considered to be less risky than VTG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBTK | VTG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.95% | 1.13% | -0.18% |
Volatility (6M)Calculated over the trailing 6-month period | 2.17% | 2.64% | -0.47% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.00% | 3.53% | -0.53% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.77% | 3.53% | +3.24% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.52% | 3.53% | +2.99% |
IBTK vs. VTG - Expense Ratio Comparison
IBTK 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
IBTK vs. VTG - Dividend Comparison
IBTK's dividend yield for the trailing twelve months is around 3.80%, more than VTG's 3.55% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 |
|---|---|---|---|---|---|---|---|
IBTK iShares iBonds Dec 2030 Term Treasury ETF | 3.80% | 3.79% | 3.93% | 3.05% | 2.27% | 0.84% | 0.26% |
VTG Vanguard Total Treasury ETF | 3.55% | 1.65% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.93, IBTK 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.
VTG has higher volatility (1.13%) compared to IBTK (0.95%). In terms of maximum drawdown, IBTK dropped -22.84% vs VTG's -2.89%.
On 1-year performance, VTG leads with 2.81% vs 2.64% for IBTK. On fees, VTG is cheaper at 0.03% per year. On volatility, IBTK has been the lower-risk option at 0.95%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, VTG has performed better with a 2.81% return vs 2.64%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VTG is cheaper with a 0.03% expense ratio, compared with 0.07% for IBTK.
IBTK has the higher dividend yield at 3.80%, compared with 3.55% for VTG.
IBTK tracks ICE 2030 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 IBTK and 0.03% for VTG.
IBTK currently has the higher Sharpe Ratio (0.88 vs 0.80), 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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