IBDT vs. IBTL
IBDT (iShares iBonds Dec 2028 Term Corporate ETF) and IBTL (iShares iBonds Dec 2031 Term Treasury ETF) are both exchange-traded funds - IBDT is a Corporate Bonds fund tracking the Bloomberg December 2028 Maturity Corporate Index, while IBTL is a Government Bonds fund tracking the ICE 2031 Maturity US Treasury Index. Both are passively managed. Over the past 3 years, IBDT returned 5.76%/yr vs 3.19%/yr for IBTL. Their correlation of 0.83 suggests significant overlap in exposure. IBDT charges 0.10%/yr vs 0.07%/yr for IBTL.
Performance
IBDT vs. IBTL - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, IBDT achieves a 0.92% return, which is significantly higher than IBTL's -0.37% return.
IBDT
- 1D
- 0.02%
- 1M
- 0.45%
- YTD
- 0.92%
- 6M
- 1.33%
- 1Y
- 4.61%
- 3Y*
- 5.76%
- 5Y*
- 1.25%
- 10Y*
- —
IBTL
- 1D
- -0.15%
- 1M
- 0.59%
- YTD
- -0.37%
- 6M
- -0.06%
- 1Y
- 3.51%
- 3Y*
- 3.19%
- 5Y*
- —
- 10Y*
- —
IBDT vs. IBTL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
IBDT iShares iBonds Dec 2028 Term Corporate ETF | 0.92% | 7.02% | 3.97% | 7.72% | -11.42% | -1.47% |
IBTL iShares iBonds Dec 2031 Term Treasury ETF | -0.37% | 7.85% | 0.36% | 3.60% | -15.60% | -1.22% |
Correlation
The correlation between IBDT and IBTL is 0.80, 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 | 0.80 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.88 |
Correlation (All Time) Calculated using the full available price history since Aug 30, 2021 | 0.83 |
The correlation between IBDT and IBTL has been stable across timeframes, ranging from 0.80 to 0.88 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
IBDT vs. IBTL — Risk / Return Rank
IBDT
IBTL
IBDT vs. IBTL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2028 Term Corporate ETF (IBDT) and iShares iBonds Dec 2031 Term Treasury ETF (IBTL). 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.
| IBDT | IBTL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.86 | ||
| Sortino ratioReturn per unit of downside risk | +3.06 | ||
| Omega ratioGain probability vs. loss probability | 1.59 | 1.16 | +0.42 |
| Calmar ratioReturn relative to maximum drawdown | 4.38 | 1.16 | +3.21 |
| Martin ratioReturn relative to average drawdown | 20.12 | 3.19 | +16.93 |
Loading charts...
Drawdowns
IBDT vs. IBTL - Drawdown Comparison
The maximum IBDT drawdown since its inception was -17.79%, smaller than the maximum IBTL drawdown of -20.93%. Use the drawdown chart below to compare losses from any high point for IBDT and IBTL.
Loading charts...
Drawdown Indicators
| IBDT | IBTL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.79% | -20.93% | +3.14% |
Max Drawdown (1Y)Largest decline over 1 year | -1.03% | -2.83% | +1.80% |
Max Drawdown (3Y)Largest decline over 3 years | -3.19% | -7.38% | +4.19% |
Max Drawdown (5Y)Largest decline over 5 years | -17.68% | — | — |
Current DrawdownCurrent decline from peak | 0.00% | -7.16% | +7.16% |
Average DrawdownAverage peak-to-trough decline | -4.15% | -11.43% | +7.28% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.22% | 1.03% | -0.81% |
Volatility
IBDT vs. IBTL - Volatility Comparison
The current volatility for iShares iBonds Dec 2028 Term Corporate ETF (IBDT) is 0.44%, while iShares iBonds Dec 2031 Term Treasury ETF (IBTL) has a volatility of 1.11%. This indicates that IBDT experiences smaller price fluctuations and is considered to be less risky than IBTL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| IBDT | IBTL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.44% | 1.11% | -0.67% |
Volatility (6M)Calculated over the trailing 6-month period | 1.07% | 2.41% | -1.34% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.61% | 3.50% | -1.89% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.07% | 7.44% | -2.37% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.36% | 7.44% | -1.08% |
IBDT vs. IBTL - Expense Ratio Comparison
IBDT has a 0.10% expense ratio, which is higher than IBTL's 0.07% 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
IBDT vs. IBTL - Dividend Comparison
IBDT's dividend yield for the trailing twelve months is around 4.54%, more than IBTL's 3.97% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 |
|---|---|---|---|---|---|---|---|---|---|
IBDT iShares iBonds Dec 2028 Term Corporate ETF | 4.54% | 4.56% | 4.67% | 4.10% | 3.25% | 2.45% | 2.80% | 3.32% | 1.47% |
IBTL iShares iBonds Dec 2031 Term Treasury ETF | 3.97% | 3.93% | 4.07% | 3.04% | 2.36% | 0.70% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
IBDT and IBTL have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IBTL has higher volatility (1.11%) compared to IBDT (0.44%). In terms of maximum drawdown, IBDT dropped -17.79% vs IBTL's -20.93%.
On 3-year performance, IBDT leads with 5.76% vs 3.19% for IBTL. On fees, IBTL is cheaper at 0.07% per year. On volatility, IBDT has been the lower-risk option at 0.44%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, IBDT has performed better with a 5.76% return vs 3.19%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBTL is cheaper with a 0.07% expense ratio, compared with 0.10% for IBDT.
IBDT has the higher dividend yield at 4.54%, compared with 3.97% for IBTL.
IBDT is categorized as Corporate Bonds, while IBTL is Government Bonds. IBDT tracks Bloomberg December 2028 Maturity Corporate Index, while IBTL tracks ICE 2031 Maturity US Treasury Index. Their fees differ too: 0.10% for IBDT and 0.07% for IBTL.
IBDT currently has the higher Sharpe Ratio (2.81 vs 0.94), 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.
Find the right allocation for IBDT and IBTL
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer