BIIPX vs. WIW
Compare and contrast key facts about iShares Short-Term TIPS Bond Index Fund (BIIPX) and Western Asset Inflation-Linked Opportunities & Income Fund (WIW).
BIIPX is managed by BlackRock. It was launched on Feb 15, 2016.
Performance
BIIPX vs. WIW - Performance Comparison
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BIIPX vs. WIW - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BIIPX iShares Short-Term TIPS Bond Index Fund | 0.73% | 6.05% | 4.75% | 3.25% | -4.12% | 5.19% | 4.89% | 4.83% | 0.58% | 0.88% |
WIW Western Asset Inflation-Linked Opportunities & Income Fund | 0.67% | 13.17% | 3.83% | 5.10% | -25.30% | 17.66% | 11.46% | 18.27% | -7.57% | 6.79% |
Returns By Period
In the year-to-date period, BIIPX achieves a 0.73% return, which is significantly higher than WIW's 0.67% return.
BIIPX
- 1D
- 0.20%
- 1M
- -0.20%
- YTD
- 0.73%
- 6M
- 1.05%
- 1Y
- 3.65%
- 3Y*
- 4.19%
- 5Y*
- 2.88%
- 10Y*
- —
WIW
- 1D
- 1.20%
- 1M
- -2.15%
- YTD
- 0.67%
- 6M
- -0.63%
- 1Y
- 4.94%
- 3Y*
- 6.53%
- 5Y*
- 1.95%
- 10Y*
- 3.93%
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BIIPX vs. WIW - Expense Ratio Comparison
Return for Risk
BIIPX vs. WIW — Risk / Return Rank
BIIPX
WIW
BIIPX vs. WIW - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Short-Term TIPS Bond Index Fund (BIIPX) and Western Asset Inflation-Linked Opportunities & Income Fund (WIW). 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.
| BIIPX | WIW | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.81 | 0.61 | +1.20 |
Sortino ratioReturn per unit of downside risk | 3.21 | 0.87 | +2.34 |
Omega ratioGain probability vs. loss probability | 1.43 | 1.12 | +0.32 |
Calmar ratioReturn relative to maximum drawdown | 4.25 | 1.25 | +3.01 |
Martin ratioReturn relative to average drawdown | 11.88 | 3.49 | +8.39 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| BIIPX | WIW | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.81 | 0.61 | +1.20 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.94 | 0.19 | +0.75 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.39 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.10 | 0.32 | +0.78 |
Correlation
The correlation between BIIPX and WIW is 0.36, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
BIIPX vs. WIW - Dividend Comparison
BIIPX's dividend yield for the trailing twelve months is around 3.57%, less than WIW's 8.87% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BIIPX iShares Short-Term TIPS Bond Index Fund | 3.57% | 4.64% | 4.30% | 2.65% | 4.56% | 4.39% | 1.58% | 2.27% | 2.74% | 1.89% | 0.00% | 0.00% |
WIW Western Asset Inflation-Linked Opportunities & Income Fund | 8.87% | 8.68% | 8.78% | 10.38% | 11.81% | 6.93% | 3.20% | 3.74% | 4.26% | 3.70% | 3.61% | 3.91% |
Drawdowns
BIIPX vs. WIW - Drawdown Comparison
The maximum BIIPX drawdown since its inception was -6.46%, smaller than the maximum WIW drawdown of -29.49%. Use the drawdown chart below to compare losses from any high point for BIIPX and WIW.
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Drawdown Indicators
| BIIPX | WIW | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -6.46% | -29.49% | +23.03% |
Max Drawdown (1Y)Largest decline over 1 year | -1.12% | -4.55% | +3.43% |
Max Drawdown (5Y)Largest decline over 5 years | -6.46% | -29.49% | +23.03% |
Max Drawdown (10Y)Largest decline over 10 years | — | -29.49% | — |
Current DrawdownCurrent decline from peak | -0.51% | -7.13% | +6.62% |
Average DrawdownAverage peak-to-trough decline | -1.09% | -7.99% | +6.90% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.40% | 1.62% | -1.22% |
Volatility
BIIPX vs. WIW - Volatility Comparison
The current volatility for iShares Short-Term TIPS Bond Index Fund (BIIPX) is 0.57%, while Western Asset Inflation-Linked Opportunities & Income Fund (WIW) has a volatility of 2.37%. This indicates that BIIPX experiences smaller price fluctuations and is considered to be less risky than WIW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BIIPX | WIW | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.57% | 2.37% | -1.80% |
Volatility (6M)Calculated over the trailing 6-month period | 1.28% | 4.91% | -3.63% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.53% | 8.12% | -5.59% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.07% | 10.27% | -7.20% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.63% | 10.01% | -7.38% |