IBIK vs. CPII
IBIK (iShares iBonds Oct 2034 Term TIPS ETF) and CPII (American Beacon Ionic Inflation Protection ETF) are both Inflation-Protected Bonds funds. IBIK is passively managed, while CPII is actively managed. Over the past year, IBIK returned 2.20% vs 2.81% for CPII. Their -0.24 correlation means they have often moved in opposite directions in the past. IBIK charges 0.10%/yr vs 0.74%/yr for CPII.
Performance
IBIK vs. CPII - Performance Comparison
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Returns By Period
In the year-to-date period, IBIK achieves a 0.45% return, which is significantly lower than CPII's 2.87% return.
IBIK
- 1D
- -0.28%
- 1M
- -0.64%
- 6M
- 0.02%
- YTD
- 0.45%
- 1Y
- 2.20%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 4.92%
CPII
- 1D
- -0.16%
- 1M
- -0.11%
- 6M
- 1.90%
- YTD
- 2.87%
- 1Y
- 2.81%
- 3Y*
- 4.03%
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 3.54%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $7.03K | $4.83K | $26.18K | |
| $284.03K | $301.23K | $320.91K |
IBIK vs. CPII - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
IBIK iShares iBonds Oct 2034 Term TIPS ETF | 0.45% | 8.78% | 1.63% |
CPII American Beacon Ionic Inflation Protection ETF | 2.87% | 2.76% | 1.59% |
Correlation
The correlation between IBIK and CPII is -0.04, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.04 |
Correlation (All Time) Calculated using the full available price history since May 24, 2024 | -0.24 |
The correlation between IBIK and CPII shifts across timeframes, from -0.24 (all time) to -0.04 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
IBIK vs. CPII — Risk / Return Rank
IBIK
CPII
IBIK vs. CPII - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Oct 2034 Term TIPS ETF (IBIK) and American Beacon 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.
| IBIK | CPII | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.14 | ||
| Sortino ratioReturn per unit of downside risk | -0.18 | ||
| Omega ratioGain probability vs. loss probability | 1.13 | 1.17 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | 1.24 | 1.38 | -0.13 |
| Martin ratioReturn relative to average drawdown | 3.66 | 3.32 | +0.34 |
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Drawdowns
IBIK vs. CPII - Drawdown Comparison
The maximum IBIK drawdown since its inception was -5.59%, smaller than the maximum CPII drawdown of -6.40%. Use the drawdown chart below to compare losses from any high point for IBIK and CPII.
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Drawdown Indicators
| IBIK | CPII | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.59% | -6.40% | +0.81% |
Max Drawdown (1Y)Largest decline over 1 year | -2.50% | -2.13% | -0.37% |
Max Drawdown (3Y)Largest decline over 3 years | — | -4.39% | — |
Current DrawdownCurrent decline from peak | -1.63% | -1.74% | +0.11% |
Average DrawdownAverage peak-to-trough decline | -1.23% | -1.61% | +0.38% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.85% | 0.88% | -0.03% |
Volatility
IBIK vs. CPII - Volatility Comparison
iShares iBonds Oct 2034 Term TIPS ETF (IBIK) and American Beacon Ionic Inflation Protection ETF (CPII) have volatilities of 0.91% and 0.95%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBIK | CPII | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.91% | 0.95% | -0.04% |
Volatility (6M)Calculated over the trailing 6-month period | 3.11% | 2.95% | +0.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.16% | 3.34% | +0.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.28% | 5.84% | -0.56% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.28% | 5.84% | -0.56% |
IBIK vs. CPII - Expense Ratio Comparison
IBIK has a 0.10% expense ratio, which is lower than CPII's 0.74% expense ratio.
Dividends
IBIK vs. CPII - Dividend Comparison
IBIK's dividend yield for the trailing twelve months is around 5.61%, more than CPII's 4.65% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
CPII American Beacon Ionic Inflation Protection ETF | 4.65% | 4.20% | 5.47% | 5.86% | 2.21% |
IBIK iShares iBonds Oct 2034 Term TIPS ETF | 5.61% | 4.43% | 2.67% | 0.00% | 0.00% |
Frequently Asked Questions
IBIK and CPII have a correlation of -0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CPII has higher volatility (0.95%) compared to IBIK (0.91%). In terms of maximum drawdown, IBIK dropped -5.59% vs CPII's -6.40%.
On 1-year performance, CPII leads with 2.81% vs 2.20% for IBIK. On fees, IBIK is cheaper at 0.10% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, CPII has performed better with a 2.81% return vs 2.20%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBIK is cheaper with a 0.10% expense ratio, compared with 0.74% for CPII.
IBIK has the higher dividend yield at 5.61%, compared with 4.65% for CPII.
They also come from different issuers: iShares and American Beacon. Their fees differ too: 0.10% for IBIK and 0.74% for CPII.
CPII currently has the higher Sharpe Ratio (0.89 vs 0.75), 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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