IBGB vs. IBTF
IBGB (iShares iBonds Dec 2045 Term Treasury ETF) and IBTF (iShares iBonds Dec 2025 Term Treasury ETF) are both Government Bonds funds from iShares - IBGB tracks the ICE 2045 Maturity US Treasury Index while IBTF tracks the ICE 2025 Maturity US Treasury Index. Both are passively managed. Over the past year, IBGB returned -0.26% vs 1.40% for IBTF. Their 0.00 correlation means their historical movements had little consistent relationship. Both charge a 0.07% expense ratio.
Performance
IBGB vs. IBTF - Performance Comparison
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Returns By Period
IBGB
- 1D
- 0.77%
- 1M
- -2.11%
- 6M
- -1.81%
- YTD
- -1.86%
- 1Y
- -0.26%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 0.52%
IBTF
- 1D
- 0.00%
- 1M
- 0.00%
- 6M
- 0.00%
- YTD
- 0.00%
- 1Y
- 1.40%
- 3Y*
- 3.64%
- 5Y*
- 0.83%
- 10Y*
- —
- ALL TIME*
- 1.11%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $32.56K | $33.15K | $77.72K | |
| $0.00 | $0.00 | $0.00 |
IBGB vs. IBTF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IBGB iShares iBonds Dec 2045 Term Treasury ETF | -1.86% | 2.62% |
IBTF iShares iBonds Dec 2025 Term Treasury ETF | 0.00% | 2.94% |
Correlation
The correlation between IBGB and IBTF is -0.09, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.09 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 2025 | 0.00 |
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Return for Risk
IBGB vs. IBTF — Risk / Return Rank
IBGB
IBTF
IBGB vs. IBTF - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2045 Term Treasury ETF (IBGB) and iShares iBonds Dec 2025 Term Treasury ETF (IBTF). 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 | IBTF | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -5.87 | ||
| Sortino ratioReturn per unit of downside risk | -19.70 | ||
| Omega ratioGain probability vs. loss probability | 1.00 | 6.94 | -5.94 |
| Calmar ratioReturn relative to maximum drawdown | -0.04 | 38.73 | -38.77 |
| Martin ratioReturn relative to average drawdown | -0.08 | 251.07 | -251.15 |
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Drawdowns
IBGB vs. IBTF - Drawdown Comparison
The maximum IBGB drawdown since its inception was -8.09%, smaller than the maximum IBTF drawdown of -10.45%. Use the drawdown chart below to compare losses from any high point for IBGB and IBTF.
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Drawdown Indicators
| IBGB | IBTF | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -8.09% | -10.45% | +2.36% |
Max Drawdown (1Y)Largest decline over 1 year | -6.79% | -0.04% | -6.75% |
Max Drawdown (3Y)Largest decline over 3 years | — | -0.43% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -9.28% | — |
Current DrawdownCurrent decline from peak | -5.59% | 0.00% | -5.59% |
Average DrawdownAverage peak-to-trough decline | -3.31% | -3.24% | -0.07% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.07% | 0.01% | +3.06% |
Volatility
IBGB vs. IBTF - Volatility Comparison
iShares iBonds Dec 2045 Term Treasury ETF (IBGB) has a higher volatility of 2.36% compared to iShares iBonds Dec 2025 Term Treasury ETF (IBTF) at 0.00%. This indicates that IBGB's price experiences larger fluctuations and is considered to be riskier than IBTF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBGB | IBTF | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.36% | 0.00% | +2.36% |
Volatility (6M)Calculated over the trailing 6-month period | 6.21% | 0.06% | +6.15% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.02% | 0.29% | +7.73% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.37% | 2.35% | +7.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.37% | 2.52% | +6.85% |
IBGB vs. IBTF - Expense Ratio Comparison
Both IBGB and IBTF have an expense ratio of 0.07%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
IBGB vs. IBTF - Dividend Comparison
IBGB's dividend yield for the trailing twelve months is around 4.74%, more than IBTF's 1.37% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 |
|---|---|---|---|---|---|---|---|
IBGB iShares iBonds Dec 2045 Term Treasury ETF | 4.74% | 3.53% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
IBTF iShares iBonds Dec 2025 Term Treasury ETF | 1.37% | 3.83% | 4.32% | 4.03% | 1.93% | 0.57% | 0.59% |
Frequently Asked Questions
IBGB and IBTF have a correlation of -0.09, 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 IBTF (0.00%). In terms of maximum drawdown, IBGB dropped -8.09% vs IBTF's -10.45%.
On 1-year performance, IBTF leads with 1.40% vs -0.26% for IBGB. Both ETFs have the same 0.07% expense ratio. On volatility, IBTF has been the lower-risk option at 0.00%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IBTF has performed better with a 1.40% return vs -0.26%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBGB and IBTF have the same expense ratio: 0.07% per year.
IBGB has the higher dividend yield at 4.74%, compared with 1.37% for IBTF.
IBGB tracks ICE 2045 Maturity US Treasury Index, while IBTF tracks ICE 2025 Maturity US Treasury Index.
IBTF currently has the higher Sharpe Ratio (5.83 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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