IBIG vs. IBII
IBIG (iShares iBonds Oct 2030 Term TIPS ETF) and IBII (iShares iBonds Oct 2032 Term TIPS ETF) are both Inflation-Protected Bonds funds from iShares - IBIG tracks the ICE 2030 Maturity US Inflation-Linked Treasury Index while IBII tracks the ICE 2032 Maturity US Inflation-Linked Treasury Index. Both are passively managed. Over the past year, IBIG returned 3.49% vs 3.96% for IBII. With a 0.96 correlation, they move nearly in lockstep. Both charge a 0.10% expense ratio.
Performance
IBIG vs. IBII - Performance Comparison
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Returns By Period
In the year-to-date period, IBIG achieves a 0.71% return, which is significantly higher than IBII's 0.67% return.
IBIG
- 1D
- -0.31%
- 1M
- -0.46%
- YTD
- 0.71%
- 6M
- 0.85%
- 1Y
- 3.49%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IBII
- 1D
- -0.40%
- 1M
- -0.44%
- YTD
- 0.67%
- 6M
- 0.73%
- 1Y
- 3.96%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IBIG vs. IBII - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
IBIG iShares iBonds Oct 2030 Term TIPS ETF | 0.71% | 7.90% | 2.60% | 4.26% |
IBII iShares iBonds Oct 2032 Term TIPS ETF | 0.67% | 8.65% | 1.21% | 4.85% |
Correlation
The correlation between IBIG and IBII 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 Sep 21, 2023 | 0.96 |
The correlation between IBIG and IBII has been stable across timeframes, ranging from 0.93 to 0.96 - a consistent structural relationship.
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Return for Risk
IBIG vs. IBII — Risk / Return Rank
IBIG
IBII
IBIG vs. IBII - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Oct 2030 Term TIPS ETF (IBIG) and iShares iBonds Oct 2032 Term TIPS ETF (IBII). 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.
| IBIG | IBII | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.18 | ||
| Sortino ratioReturn per unit of downside risk | +0.29 | ||
| Omega ratioGain probability vs. loss probability | 1.24 | 1.21 | +0.03 |
| Calmar ratioReturn relative to maximum drawdown | 2.60 | 2.00 | +0.60 |
| Martin ratioReturn relative to average drawdown | 8.07 | 6.47 | +1.61 |
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Drawdowns
IBIG vs. IBII - Drawdown Comparison
The maximum IBIG drawdown since its inception was -3.21%, smaller than the maximum IBII drawdown of -4.65%. Use the drawdown chart below to compare losses from any high point for IBIG and IBII.
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Drawdown Indicators
| IBIG | IBII | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -3.21% | -4.65% | +1.44% |
Max Drawdown (1Y)Largest decline over 1 year | -1.35% | -1.98% | +0.63% |
Current DrawdownCurrent decline from peak | -1.35% | -1.58% | +0.23% |
Average DrawdownAverage peak-to-trough decline | -0.77% | -1.12% | +0.35% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.43% | 0.61% | -0.18% |
Volatility
IBIG vs. IBII - Volatility Comparison
The current volatility for iShares iBonds Oct 2030 Term TIPS ETF (IBIG) is 0.98%, while iShares iBonds Oct 2032 Term TIPS ETF (IBII) has a volatility of 1.36%. This indicates that IBIG experiences smaller price fluctuations and is considered to be less risky than IBII based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBIG | IBII | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.98% | 1.36% | -0.38% |
Volatility (6M)Calculated over the trailing 6-month period | 1.87% | 2.54% | -0.67% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.66% | 3.48% | -0.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.28% | 5.42% | -1.14% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.28% | 5.42% | -1.14% |
IBIG vs. IBII - Expense Ratio Comparison
Both IBIG and IBII 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
IBIG vs. IBII - Dividend Comparison
IBIG's dividend yield for the trailing twelve months is around 3.92%, less than IBII's 4.09% yield.
| Position | TTM | 2025 | 2024 | 2023 |
|---|---|---|---|---|
IBIG iShares iBonds Oct 2030 Term TIPS ETF | 3.92% | 4.70% | 4.15% | 0.78% |
IBII iShares iBonds Oct 2032 Term TIPS ETF | 4.09% | 4.80% | 4.76% | 1.10% |
Frequently Asked Questions
With a correlation of 0.93, IBIG and IBII 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.
IBII has higher volatility (1.36%) compared to IBIG (0.98%). In terms of maximum drawdown, IBIG dropped -3.21% vs IBII's -4.65%.
On 1-year performance, IBII leads with 3.96% vs 3.49% for IBIG. Both ETFs have the same 0.10% expense ratio. On volatility, IBIG has been the lower-risk option at 0.98%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IBII has performed better with a 3.96% return vs 3.49%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBIG and IBII have the same expense ratio: 0.10% per year.
IBII has the higher dividend yield at 4.09%, compared with 3.92% for IBIG.
IBIG tracks ICE 2030 Maturity US Inflation-Linked Treasury Index, while IBII tracks ICE 2032 Maturity US Inflation-Linked Treasury Index.
IBIG currently has the higher Sharpe Ratio (1.32 vs 1.14), 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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