IBTJ vs. IBTK
IBTJ (iShares iBonds Dec 2029 Term Treasury ETF) and IBTK (iShares iBonds Dec 2030 Term Treasury ETF) are both Government Bonds funds from iShares - IBTJ tracks the ICE 2029 Maturity US Treasury Index while IBTK tracks the ICE 2030 Maturity US Treasury Index. Both are passively managed. Over the past 5 years, IBTJ returned -0.10%/yr vs -0.67%/yr for IBTK. Their correlation of 0.87 suggests significant overlap in exposure. Both charge a 0.07% expense ratio.
Performance
IBTJ vs. IBTK - Performance Comparison
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Returns By Period
In the year-to-date period, IBTJ achieves a -0.19% return, which is significantly higher than IBTK's -0.49% return.
IBTJ
- 1D
- -0.14%
- 1M
- 0.04%
- YTD
- -0.19%
- 6M
- -0.06%
- 1Y
- 2.85%
- 3Y*
- 3.61%
- 5Y*
- -0.10%
- 10Y*
- —
IBTK
- 1D
- -0.18%
- 1M
- 0.09%
- YTD
- -0.49%
- 6M
- -0.39%
- 1Y
- 2.73%
- 3Y*
- 3.25%
- 5Y*
- -0.67%
- 10Y*
- —
IBTJ vs. IBTK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
IBTJ iShares iBonds Dec 2029 Term Treasury ETF | -0.19% | 6.89% | 1.82% | 4.49% | -12.45% | -3.57% | -1.33% |
IBTK iShares iBonds Dec 2030 Term Treasury ETF | -0.49% | 7.41% | 1.18% | 4.05% | -14.71% | -3.76% | -1.90% |
Correlation
The correlation between IBTJ and IBTK is 0.97 - 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 (1Y) Calculated over the trailing 1-year period | 0.97 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.98 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.93 |
Correlation (All Time) Calculated using the full available price history since Jul 20, 2020 | 0.87 |
The correlation between IBTJ and IBTK shifts across timeframes, from 0.87 (all time) to 0.98 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
IBTJ vs. IBTK — Risk / Return Rank
IBTJ
IBTK
IBTJ vs. IBTK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2029 Term Treasury ETF (IBTJ) and iShares iBonds Dec 2030 Term Treasury ETF (IBTK). 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.
| IBTJ | IBTK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.29 | ||
| Sortino ratioReturn per unit of downside risk | +0.47 | ||
| Omega ratioGain probability vs. loss probability | 1.21 | 1.16 | +0.06 |
| Calmar ratioReturn relative to maximum drawdown | 1.77 | 1.19 | +0.58 |
| Martin ratioReturn relative to average drawdown | 4.64 | 3.12 | +1.51 |
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Drawdowns
IBTJ vs. IBTK - Drawdown Comparison
The maximum IBTJ drawdown since its inception was -20.19%, smaller than the maximum IBTK drawdown of -22.84%. Use the drawdown chart below to compare losses from any high point for IBTJ and IBTK.
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Drawdown Indicators
| IBTJ | IBTK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -20.19% | -22.84% | +2.65% |
Max Drawdown (1Y)Largest decline over 1 year | -1.62% | -2.31% | +0.69% |
Max Drawdown (3Y)Largest decline over 3 years | -4.43% | -5.94% | +1.51% |
Max Drawdown (5Y)Largest decline over 5 years | -17.21% | -19.22% | +2.01% |
Current DrawdownCurrent decline from peak | -6.39% | -10.01% | +3.62% |
Average DrawdownAverage peak-to-trough decline | -9.70% | -12.55% | +2.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.62% | 0.87% | -0.25% |
Volatility
IBTJ vs. IBTK - Volatility Comparison
The current volatility for iShares iBonds Dec 2029 Term Treasury ETF (IBTJ) is 0.71%, while iShares iBonds Dec 2030 Term Treasury ETF (IBTK) has a volatility of 0.89%. This indicates that IBTJ experiences smaller price fluctuations and is considered to be less risky than IBTK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBTJ | IBTK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.71% | 0.89% | -0.18% |
Volatility (6M)Calculated over the trailing 6-month period | 1.64% | 2.14% | -0.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.40% | 3.03% | -0.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.72% | 6.78% | -1.06% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.98% | 6.55% | -0.57% |
IBTJ vs. IBTK - Expense Ratio Comparison
Both IBTJ and IBTK 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
IBTJ vs. IBTK - Dividend Comparison
IBTJ's dividend yield for the trailing twelve months is around 3.81%, which matches IBTK's 3.81% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 |
|---|---|---|---|---|---|---|---|
IBTJ iShares iBonds Dec 2029 Term Treasury ETF | 3.81% | 3.78% | 3.95% | 3.48% | 1.86% | 0.74% | 0.61% |
IBTK iShares iBonds Dec 2030 Term Treasury ETF | 3.81% | 3.79% | 3.93% | 3.05% | 2.27% | 0.84% | 0.26% |
Frequently Asked Questions
With a correlation of 0.97, IBTJ and IBTK 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.
IBTK has higher volatility (0.89%) compared to IBTJ (0.71%). In terms of maximum drawdown, IBTJ dropped -20.19% vs IBTK's -22.84%.
On 5-year performance, IBTJ leads with -0.10% vs -0.67% for IBTK. Both ETFs have the same 0.07% expense ratio. On volatility, IBTJ has been the lower-risk option at 0.71%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, IBTJ has performed better with a -0.10% return vs -0.67%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBTJ and IBTK have the same expense ratio: 0.07% per year.
IBTJ and IBTK have nearly identical dividend yields, around 3.81%.
IBTJ tracks ICE 2029 Maturity US Treasury Index, while IBTK tracks ICE 2030 Maturity US Treasury Index.
IBTJ currently has the higher Sharpe Ratio (1.20 vs 0.91), 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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