SPIP vs. WIP
SPIP (SPDR Portfolio TIPS ETF) and WIP (SPDR FTSE International Government Inflation-Protected Bond ETF) are both Inflation-Protected Bonds funds from State Street - SPIP tracks the Bloomberg Barclays US Government Inflation-linked Bond Index while WIP tracks the FTSE International Inflation-Linked Securities Select (USD). Both are passively managed. Over the past 10 years, SPIP returned 2.61%/yr vs 1.61%/yr for WIP. At a 0.31 correlation, their price movements are largely independent. SPIP charges 0.12%/yr vs 0.50%/yr for WIP.
Performance
SPIP vs. WIP - Performance Comparison
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Returns By Period
In the year-to-date period, SPIP achieves a 1.49% return, which is significantly lower than WIP's 4.31% return. Over the past 10 years, SPIP has outperformed WIP with an annualized return of 2.61%, while WIP has yielded a comparatively lower 1.61% annualized return.
SPIP
- 1D
- -0.16%
- 1M
- 0.02%
- YTD
- 1.49%
- 6M
- 1.02%
- 1Y
- 4.97%
- 3Y*
- 3.85%
- 5Y*
- 0.87%
- 10Y*
- 2.61%
WIP
- 1D
- -0.72%
- 1M
- 0.70%
- YTD
- 4.31%
- 6M
- 4.96%
- 1Y
- 10.26%
- 3Y*
- 5.08%
- 5Y*
- -0.70%
- 10Y*
- 1.61%
SPIP vs. WIP - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SPIP SPDR Portfolio TIPS ETF | 1.49% | 6.78% | 2.35% | 2.98% | -12.84% | 5.80% | 11.41% | 9.14% | -1.53% | 3.16% |
WIP SPDR FTSE International Government Inflation-Protected Bond ETF | 4.31% | 15.18% | -8.71% | 8.84% | -15.54% | -4.15% | 8.37% | 8.62% | -5.97% | 12.73% |
Correlation
The correlation between SPIP and WIP is 0.41, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.41 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.44 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.47 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.42 |
Correlation (All Time) Calculated using the full available price history since Mar 20, 2008 | 0.31 |
The correlation between SPIP and WIP shifts across timeframes, from 0.31 (all time) to 0.47 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
SPIP vs. WIP — Risk / Return Rank
SPIP
WIP
SPIP vs. WIP - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR Portfolio TIPS ETF (SPIP) and SPDR FTSE International Government Inflation-Protected Bond ETF (WIP). 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.
| SPIP | WIP | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.21 | ||
| Sortino ratioReturn per unit of downside risk | +0.37 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.20 | +0.05 |
| Calmar ratioReturn relative to maximum drawdown | 2.44 | 2.00 | +0.44 |
| Martin ratioReturn relative to average drawdown | 7.15 | 5.98 | +1.17 |
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
| SPIP | WIP | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.40 | 1.18 | +0.21 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.13 | -0.06 | +0.19 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.44 | 0.16 | +0.28 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.53 | 0.12 | +0.40 |
Drawdowns
SPIP vs. WIP - Drawdown Comparison
The maximum SPIP drawdown since its inception was -15.39%, smaller than the maximum WIP drawdown of -29.60%. Use the drawdown chart below to compare losses from any high point for SPIP and WIP.
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Drawdown Indicators
| SPIP | WIP | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.39% | -29.60% | +14.21% |
Max Drawdown (1Y)Largest decline over 1 year | -2.04% | -5.16% | +3.12% |
Max Drawdown (3Y)Largest decline over 3 years | -4.76% | -11.16% | +6.40% |
Max Drawdown (5Y)Largest decline over 5 years | -15.39% | -28.84% | +13.45% |
Max Drawdown (10Y)Largest decline over 10 years | -15.39% | -28.84% | +13.45% |
Current DrawdownCurrent decline from peak | -1.02% | -3.87% | +2.85% |
Average DrawdownAverage peak-to-trough decline | -4.10% | -8.58% | +4.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.70% | 1.72% | -1.02% |
Volatility
SPIP vs. WIP - Volatility Comparison
The current volatility for SPDR Portfolio TIPS ETF (SPIP) is 0.95%, while SPDR FTSE International Government Inflation-Protected Bond ETF (WIP) has a volatility of 2.95%. This indicates that SPIP experiences smaller price fluctuations and is considered to be less risky than WIP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SPIP | WIP | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.95% | 2.95% | -2.00% |
Volatility (6M)Calculated over the trailing 6-month period | 2.54% | 6.89% | -4.35% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.57% | 8.72% | -5.15% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.57% | 11.45% | -4.88% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.01% | 10.16% | -4.15% |
SPIP vs. WIP - Expense Ratio Comparison
SPIP has a 0.12% expense ratio, which is lower than WIP's 0.50% expense ratio.
Dividends
SPIP vs. WIP - Dividend Comparison
SPIP's dividend yield for the trailing twelve months is around 4.75%, less than WIP's 5.79% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SPIP SPDR Portfolio TIPS ETF | 4.75% | 4.09% | 3.36% | 3.70% | 7.05% | 4.53% | 1.97% | 2.91% | 2.80% | 3.02% | 1.88% | 0.14% |
WIP SPDR FTSE International Government Inflation-Protected Bond ETF | 5.79% | 5.51% | 6.06% | 6.54% | 11.15% | 4.63% | 1.59% | 2.49% | 4.05% | 1.91% | 1.27% | 1.14% |
Frequently Asked Questions
SPIP and WIP have a correlation of 0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
WIP has higher volatility (2.95%) compared to SPIP (0.95%). In terms of maximum drawdown, SPIP dropped -15.39% vs WIP's -29.60%.
On 10-year performance, SPIP leads with 2.61% vs 1.61% for WIP. On fees, SPIP is cheaper at 0.12% per year. On volatility, SPIP has been the lower-risk option at 0.95%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, SPIP has performed better with a 2.61% return vs 1.61%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SPIP is cheaper with a 0.12% expense ratio, compared with 0.50% for WIP.
WIP has the higher dividend yield at 5.79%, compared with 4.75% for SPIP.
SPIP tracks Bloomberg Barclays US Government Inflation-linked Bond Index, while WIP tracks FTSE International Inflation-Linked Securities Select (USD). Their fees differ too: 0.12% for SPIP and 0.50% for WIP.
SPIP currently has the higher Sharpe Ratio (1.40 vs 1.18), 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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