IBIK vs. IBIE
IBIK (iShares iBonds Oct 2034 Term TIPS ETF) and IBIE (iShares iBonds Oct 2028 Term TIPS ETF) are both Inflation-Protected Bonds funds from iShares - IBIK tracks the iBonds Oct 2034 Term TIPS Index while IBIE tracks the ICE 2028 Maturity US Inflation-Linked Treasury Index. Both are passively managed. Over the past year, IBIK returned 4.26% vs 3.69% for IBIE. A 0.74 correlation means they provide meaningful diversification when combined. Both charge a 0.10% expense ratio.
Performance
IBIK vs. IBIE - Performance Comparison
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Returns By Period
In the year-to-date period, IBIK achieves a 0.59% return, which is significantly lower than IBIE's 1.39% return.
IBIK
- 1D
- -0.46%
- 1M
- -0.23%
- YTD
- 0.59%
- 6M
- 0.77%
- 1Y
- 4.26%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IBIE
- 1D
- -0.17%
- 1M
- -0.25%
- YTD
- 1.39%
- 6M
- 1.45%
- 1Y
- 3.69%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IBIK vs. IBIE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
IBIK iShares iBonds Oct 2034 Term TIPS ETF | 0.59% | 8.78% | 1.63% |
IBIE iShares iBonds Oct 2028 Term TIPS ETF | 1.39% | 6.46% | 3.56% |
Correlation
The correlation between IBIK and IBIE is 0.65, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.65 |
Correlation (All Time) Calculated using the full available price history since May 24, 2024 | 0.74 |
The correlation between IBIK and IBIE has been stable across timeframes, ranging from 0.65 to 0.74 - a consistent structural relationship.
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Return for Risk
IBIK vs. IBIE — Risk / Return Rank
IBIK
IBIE
IBIK vs. IBIE - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Oct 2034 Term TIPS ETF (IBIK) and iShares iBonds Oct 2028 Term TIPS ETF (IBIE). 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.
| IBIK | IBIE | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.31 | ||
| Sortino ratioReturn per unit of downside risk | -2.43 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 1.49 | -0.32 |
| Calmar ratioReturn relative to maximum drawdown | 1.71 | 5.30 | -3.59 |
| Martin ratioReturn relative to average drawdown | 5.66 | 18.77 | -13.10 |
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Drawdowns
IBIK vs. IBIE - Drawdown Comparison
The maximum IBIK drawdown since its inception was -5.59%, which is greater than IBIE's maximum drawdown of -1.70%. Use the drawdown chart below to compare losses from any high point for IBIK and IBIE.
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Drawdown Indicators
| IBIK | IBIE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.59% | -1.70% | -3.89% |
Max Drawdown (1Y)Largest decline over 1 year | -2.50% | -0.70% | -1.80% |
Current DrawdownCurrent decline from peak | -1.49% | -0.70% | -0.79% |
Average DrawdownAverage peak-to-trough decline | -1.24% | -0.39% | -0.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.75% | 0.20% | +0.55% |
Volatility
IBIK vs. IBIE - Volatility Comparison
iShares iBonds Oct 2034 Term TIPS ETF (IBIK) has a higher volatility of 1.57% compared to iShares iBonds Oct 2028 Term TIPS ETF (IBIE) at 0.58%. This indicates that IBIK's price experiences larger fluctuations and is considered to be riskier than IBIE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBIK | IBIE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.57% | 0.58% | +0.99% |
Volatility (6M)Calculated over the trailing 6-month period | 3.09% | 1.08% | +2.01% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.23% | 1.60% | +2.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.36% | 2.85% | +2.51% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.36% | 2.85% | +2.51% |
IBIK vs. IBIE - Expense Ratio Comparison
Both IBIK and IBIE have an expense ratio of 0.10%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
IBIK vs. IBIE - Dividend Comparison
IBIK's dividend yield for the trailing twelve months is around 3.77%, more than IBIE's 3.27% yield.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
IBIE iShares iBonds Oct 2028 Term TIPS ETF | 3.27% | 4.09% | 4.23% | 0.75% |
IBIK iShares iBonds Oct 2034 Term TIPS ETF | 3.77% | 4.43% | 2.67% | 0.00% |
Frequently Asked Questions
IBIK and IBIE have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IBIK has higher volatility (1.57%) compared to IBIE (0.58%). In terms of maximum drawdown, IBIK dropped -5.59% vs IBIE's -1.70%.
On 1-year performance, IBIK leads with 4.26% vs 3.69% for IBIE. Both ETFs have the same 0.10% expense ratio. On volatility, IBIE has been the lower-risk option at 0.58%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IBIK has performed better with a 4.26% return vs 3.69%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBIK and IBIE have the same expense ratio: 0.10% per year.
IBIK has the higher dividend yield at 3.77%, compared with 3.27% for IBIE.
IBIK tracks iBonds Oct 2034 Term TIPS Index, while IBIE tracks ICE 2028 Maturity US Inflation-Linked Treasury Index.
IBIE currently has the higher Sharpe Ratio (2.32 vs 1.01), 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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