BKIPX vs. FSPWX
Compare and contrast key facts about iShares Short-Term TIPS Bond Index Fund Class K (BKIPX) and Fidelity SAI Inflation-Protected Bond Index Fund (FSPWX).
BKIPX is a passively managed fund by iShares that tracks the performance of the Bloomberg U.S. Treasury Inflation-Protected Securities (TIPS) 0-5 Years Index. It was launched on Feb 16, 2016. FSPWX is a passively managed fund by Fidelity that tracks the performance of the Bloomberg U.S. Treasury Inflation Protected Securities Index. It was launched on Aug 16, 2024. Both BKIPX and FSPWX are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
BKIPX vs. FSPWX - Performance Comparison
Loading graphics...
BKIPX vs. FSPWX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
BKIPX iShares Short-Term TIPS Bond Index Fund Class K | 0.73% | 6.08% | 1.28% |
FSPWX Fidelity SAI Inflation-Protected Bond Index Fund | 0.50% | 6.76% | -1.32% |
Returns By Period
In the year-to-date period, BKIPX achieves a 0.73% return, which is significantly higher than FSPWX's 0.50% return.
BKIPX
- 1D
- 0.20%
- 1M
- -0.20%
- YTD
- 0.73%
- 6M
- 1.06%
- 1Y
- 3.68%
- 3Y*
- 4.22%
- 5Y*
- 2.90%
- 10Y*
- —
FSPWX
- 1D
- 0.70%
- 1M
- -1.27%
- YTD
- 0.50%
- 6M
- 0.41%
- 1Y
- 2.99%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
BKIPX vs. FSPWX - Expense Ratio Comparison
BKIPX has a 0.06% expense ratio, which is higher than FSPWX's 0.05% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
BKIPX vs. FSPWX — Risk / Return Rank
BKIPX
FSPWX
BKIPX vs. FSPWX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Short-Term TIPS Bond Index Fund Class K (BKIPX) and Fidelity SAI Inflation-Protected Bond Index Fund (FSPWX). 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.
| BKIPX | FSPWX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.84 | 0.84 | +1.00 |
Sortino ratioReturn per unit of downside risk | 3.16 | 1.17 | +1.99 |
Omega ratioGain probability vs. loss probability | 1.44 | 1.15 | +0.29 |
Calmar ratioReturn relative to maximum drawdown | 4.28 | 1.41 | +2.87 |
Martin ratioReturn relative to average drawdown | 12.41 | 4.38 | +8.03 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| BKIPX | FSPWX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.84 | 0.84 | +1.00 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.95 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.11 | 0.88 | +0.23 |
Correlation
The correlation between BKIPX and FSPWX is 0.69, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
BKIPX vs. FSPWX - Dividend Comparison
BKIPX's dividend yield for the trailing twelve months is around 3.60%, less than FSPWX's 4.17% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BKIPX iShares Short-Term TIPS Bond Index Fund Class K | 3.60% | 4.68% | 4.33% | 2.77% | 4.80% | 4.41% | 1.17% | 2.54% | 2.56% | 1.90% |
FSPWX Fidelity SAI Inflation-Protected Bond Index Fund | 4.17% | 4.19% | 0.69% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
BKIPX vs. FSPWX - Drawdown Comparison
The maximum BKIPX drawdown since its inception was -6.42%, which is greater than FSPWX's maximum drawdown of -3.84%. Use the drawdown chart below to compare losses from any high point for BKIPX and FSPWX.
Loading graphics...
Drawdown Indicators
| BKIPX | FSPWX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -6.42% | -3.84% | -2.58% |
Max Drawdown (1Y)Largest decline over 1 year | -1.12% | -2.91% | +1.79% |
Max Drawdown (5Y)Largest decline over 5 years | -6.42% | — | — |
Current DrawdownCurrent decline from peak | -0.51% | -1.27% | +0.76% |
Average DrawdownAverage peak-to-trough decline | -1.08% | -1.04% | -0.04% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.39% | 0.94% | -0.55% |
Volatility
BKIPX vs. FSPWX - Volatility Comparison
The current volatility for iShares Short-Term TIPS Bond Index Fund Class K (BKIPX) is 0.66%, while Fidelity SAI Inflation-Protected Bond Index Fund (FSPWX) has a volatility of 1.44%. This indicates that BKIPX experiences smaller price fluctuations and is considered to be less risky than FSPWX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| BKIPX | FSPWX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.66% | 1.44% | -0.78% |
Volatility (6M)Calculated over the trailing 6-month period | 1.27% | 2.29% | -1.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.51% | 4.10% | -1.59% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.08% | 4.17% | -1.09% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.62% | 4.17% | -1.55% |