IBIJ vs. CPII
IBIJ (iShares iBonds Oct 2033 Term TIPS ETF) and CPII (Ionic Inflation Protection ETF) are both Inflation-Protected Bonds funds. Over the past year, IBIJ returned 4.51% vs 3.44% for CPII. At a correlation of -0.34, they often move in opposite directions. IBIJ charges 0.10%/yr vs 0.74%/yr for CPII.
Performance
IBIJ vs. CPII - Performance Comparison
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Returns By Period
In the year-to-date period, IBIJ achieves a 1.61% return, which is significantly lower than CPII's 2.86% return.
IBIJ
- 1D
- 0.09%
- 1M
- -0.33%
- YTD
- 1.61%
- 6M
- 1.33%
- 1Y
- 4.51%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
CPII
- 1D
- 0.21%
- 1M
- -0.99%
- YTD
- 2.86%
- 6M
- 2.78%
- 1Y
- 3.44%
- 3Y*
- 4.45%
- 5Y*
- —
- 10Y*
- —
IBIJ vs. CPII - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
IBIJ iShares iBonds Oct 2033 Term TIPS ETF | 1.61% | 8.59% | 0.69% | 4.98% |
CPII Ionic Inflation Protection ETF | 2.86% | 2.76% | 6.05% | -0.75% |
Correlation
The correlation between IBIJ and CPII is -0.02, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.02 |
Correlation (All Time) Calculated using the full available price history since Sep 21, 2023 | -0.34 |
Over the past year, the inverse relationship between IBIJ and CPII has weakened: their correlation has moved from -0.34 to -0.02, meaning they move in opposite directions less often than they have historically.
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Return for Risk
IBIJ vs. CPII — Risk / Return Rank
IBIJ
CPII
IBIJ vs. CPII - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Oct 2033 Term TIPS ETF (IBIJ) and Ionic Inflation Protection ETF (CPII). 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.
| IBIJ | CPII | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.11 | ||
| Sortino ratioReturn per unit of downside risk | +0.19 | ||
| Omega ratioGain probability vs. loss probability | 1.20 | 1.20 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 1.95 | 1.62 | +0.33 |
| Martin ratioReturn relative to average drawdown | 6.23 | 4.45 | +1.79 |
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Drawdowns
IBIJ vs. CPII - Drawdown Comparison
The maximum IBIJ drawdown since its inception was -5.27%, smaller than the maximum CPII drawdown of -6.40%. Use the drawdown chart below to compare losses from any high point for IBIJ and CPII.
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Drawdown Indicators
| IBIJ | CPII | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.27% | -6.40% | +1.13% |
Max Drawdown (1Y)Largest decline over 1 year | -2.32% | -2.13% | -0.19% |
Max Drawdown (3Y)Largest decline over 3 years | — | -4.39% | — |
Current DrawdownCurrent decline from peak | -0.61% | -1.74% | +1.13% |
Average DrawdownAverage peak-to-trough decline | -1.29% | -1.61% | +0.32% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.72% | 0.78% | -0.06% |
Volatility
IBIJ vs. CPII - Volatility Comparison
iShares iBonds Oct 2033 Term TIPS ETF (IBIJ) has a higher volatility of 1.51% compared to Ionic Inflation Protection ETF (CPII) at 0.79%. This indicates that IBIJ's price experiences larger fluctuations and is considered to be riskier than CPII based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBIJ | CPII | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.51% | 0.79% | +0.72% |
Volatility (6M)Calculated over the trailing 6-month period | 2.89% | 2.84% | +0.05% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.97% | 3.35% | +0.62% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.87% | 5.89% | -0.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.87% | 5.89% | -0.02% |
IBIJ vs. CPII - Expense Ratio Comparison
IBIJ has a 0.10% expense ratio, which is lower than CPII's 0.74% expense ratio.
Dividends
IBIJ vs. CPII - Dividend Comparison
IBIJ's dividend yield for the trailing twelve months is around 3.93%, less than CPII's 4.10% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
CPII Ionic Inflation Protection ETF | 4.10% | 4.20% | 5.47% | 5.86% | 2.21% |
IBIJ iShares iBonds Oct 2033 Term TIPS ETF | 3.93% | 4.66% | 4.42% | 0.60% | 0.00% |
Frequently Asked Questions
IBIJ and CPII have a correlation of -0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IBIJ has higher volatility (1.51%) compared to CPII (0.79%). In terms of maximum drawdown, IBIJ dropped -5.27% vs CPII's -6.40%.
On 1-year performance, IBIJ leads with 4.51% vs 3.44% for CPII. On fees, IBIJ is cheaper at 0.10% per year. On volatility, CPII has been the lower-risk option at 0.79%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IBIJ has performed better with a 4.51% return vs 3.44%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBIJ is cheaper with a 0.10% expense ratio, compared with 0.74% for CPII.
CPII has the higher dividend yield at 4.10%, compared with 3.93% for IBIJ.
They also come from different issuers: iShares and Ionic. Their fees differ too: 0.10% for IBIJ and 0.74% for CPII.
IBIJ currently has the higher Sharpe Ratio (1.14 vs 1.03), 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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