IBTP vs. VGLT
IBTP (iShares iBonds Dec 2034 Term Treasury ETF) and VGLT (Vanguard Long-Term Treasury ETF) are both Government Bonds funds - IBTP tracks the ICE 2034 Maturity US Treasury Index while VGLT tracks the Bloomberg U.S. Long Treasury Index. Both are passively managed. Over the past year, IBTP returned 4.34% vs 5.25% for VGLT. Their correlation of 0.94 suggests significant overlap in exposure. IBTP charges 0.07%/yr vs 0.03%/yr for VGLT.
Performance
IBTP vs. VGLT - Performance Comparison
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Returns By Period
In the year-to-date period, IBTP achieves a -0.59% return, which is significantly lower than VGLT's -0.41% return.
IBTP
- 1D
- -0.24%
- 1M
- -0.12%
- YTD
- -0.59%
- 6M
- -1.11%
- 1Y
- 4.34%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
VGLT
- 1D
- -0.40%
- 1M
- 0.71%
- YTD
- -0.41%
- 6M
- -1.68%
- 1Y
- 5.25%
- 3Y*
- -0.72%
- 5Y*
- -5.30%
- 10Y*
- -1.10%
IBTP vs. VGLT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
IBTP iShares iBonds Dec 2034 Term Treasury ETF | -0.59% | 8.16% | 0.42% |
VGLT Vanguard Long-Term Treasury ETF | -0.41% | 5.35% | -2.32% |
Correlation
The correlation between IBTP and VGLT 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 Jun 13, 2024 | 0.94 |
The correlation between IBTP and VGLT has been stable across timeframes, ranging from 0.93 to 0.94 - a consistent structural relationship.
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Return for Risk
IBTP vs. VGLT — Risk / Return Rank
IBTP
VGLT
IBTP vs. VGLT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2034 Term Treasury ETF (IBTP) and Vanguard Long-Term Treasury ETF (VGLT). 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.
| IBTP | VGLT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.32 | ||
| Sortino ratioReturn per unit of downside risk | +0.46 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.10 | +0.05 |
| Calmar ratioReturn relative to maximum drawdown | 1.09 | 0.75 | +0.34 |
| Martin ratioReturn relative to average drawdown | 3.25 | 1.96 | +1.29 |
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
| IBTP | VGLT | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.91 | 0.59 | +0.32 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | -0.37 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | -0.08 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.67 | 0.19 | +0.49 |
Drawdowns
IBTP vs. VGLT - Drawdown Comparison
The maximum IBTP drawdown since its inception was -7.40%, smaller than the maximum VGLT drawdown of -46.18%. Use the drawdown chart below to compare losses from any high point for IBTP and VGLT.
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Drawdown Indicators
| IBTP | VGLT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -7.40% | -46.18% | +38.78% |
Max Drawdown (1Y)Largest decline over 1 year | -3.99% | -7.01% | +3.02% |
Max Drawdown (3Y)Largest decline over 3 years | — | -17.68% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -40.98% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -46.18% | — |
Current DrawdownCurrent decline from peak | -2.77% | -36.83% | +34.06% |
Average DrawdownAverage peak-to-trough decline | -2.11% | -15.06% | +12.95% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.34% | 2.68% | -1.34% |
Volatility
IBTP vs. VGLT - Volatility Comparison
The current volatility for iShares iBonds Dec 2034 Term Treasury ETF (IBTP) is 1.49%, while Vanguard Long-Term Treasury ETF (VGLT) has a volatility of 2.59%. This indicates that IBTP experiences smaller price fluctuations and is considered to be less risky than VGLT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBTP | VGLT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.49% | 2.59% | -1.10% |
Volatility (6M)Calculated over the trailing 6-month period | 3.27% | 5.94% | -2.67% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.77% | 8.88% | -4.11% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.96% | 14.58% | -8.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.96% | 13.81% | -7.85% |
IBTP vs. VGLT - Expense Ratio Comparison
IBTP has a 0.07% expense ratio, which is higher than VGLT'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
IBTP vs. VGLT - Dividend Comparison
IBTP's dividend yield for the trailing twelve months is around 4.05%, less than VGLT's 4.61% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBTP iShares iBonds Dec 2034 Term Treasury ETF | 4.05% | 3.92% | 1.78% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VGLT Vanguard Long-Term Treasury ETF | 4.61% | 4.44% | 4.33% | 3.33% | 2.84% | 1.82% | 2.15% | 2.46% | 2.71% | 2.55% | 2.69% | 3.21% |
Frequently Asked Questions
With a correlation of 0.93, IBTP and VGLT 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.
VGLT has higher volatility (2.59%) compared to IBTP (1.49%). In terms of maximum drawdown, IBTP dropped -7.40% vs VGLT's -46.18%.
On 1-year performance, VGLT leads with 5.25% vs 4.34% for IBTP. On fees, VGLT is cheaper at 0.03% per year. On volatility, IBTP has been the lower-risk option at 1.49%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, VGLT has performed better with a 5.25% return vs 4.34%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VGLT is cheaper with a 0.03% expense ratio, compared with 0.07% for IBTP.
VGLT has the higher dividend yield at 4.61%, compared with 4.05% for IBTP.
IBTP tracks ICE 2034 Maturity US Treasury Index, while VGLT tracks Bloomberg U.S. Long Treasury Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.07% for IBTP and 0.03% for VGLT.
IBTP currently has the higher Sharpe Ratio (0.91 vs 0.59), 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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