VTSPX vs. WAIIX
Compare and contrast key facts about Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) and Western Asset Inflation Indexed Plus Bond Fund (WAIIX).
VTSPX is managed by Vanguard. It was launched on Oct 17, 2012. WAIIX is managed by Franklin Templeton. It was launched on Feb 28, 2001.
Performance
VTSPX vs. WAIIX - Performance Comparison
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VTSPX vs. WAIIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VTSPX Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares | 0.97% | 6.06% | 4.75% | 4.61% | -2.82% | 5.32% | 4.99% | 4.82% | 0.59% | 0.83% |
WAIIX Western Asset Inflation Indexed Plus Bond Fund | 0.00% | 6.41% | 1.05% | 3.30% | -12.64% | 4.74% | 9.84% | 9.79% | -2.25% | 3.82% |
Returns By Period
Over the past 10 years, VTSPX has outperformed WAIIX with an annualized return of 3.08%, while WAIIX has yielded a comparatively lower 2.13% annualized return.
VTSPX
- 1D
- 0.28%
- 1M
- 0.04%
- YTD
- 0.97%
- 6M
- 1.36%
- 1Y
- 3.93%
- 3Y*
- 4.69%
- 5Y*
- 3.51%
- 10Y*
- 3.08%
WAIIX
- 1D
- 0.64%
- 1M
- -1.56%
- YTD
- 0.00%
- 6M
- -0.03%
- 1Y
- 2.49%
- 3Y*
- 2.41%
- 5Y*
- 0.73%
- 10Y*
- 2.13%
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VTSPX vs. WAIIX - Expense Ratio Comparison
VTSPX has a 0.04% expense ratio, which is lower than WAIIX's 0.54% expense ratio.
Return for Risk
VTSPX vs. WAIIX — Risk / Return Rank
VTSPX
WAIIX
VTSPX vs. WAIIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) and Western Asset Inflation Indexed Plus Bond Fund (WAIIX). 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.
| VTSPX | WAIIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 2.31 | 0.67 | +1.63 |
Sortino ratioReturn per unit of downside risk | 3.51 | 0.93 | +2.58 |
Omega ratioGain probability vs. loss probability | 1.51 | 1.12 | +0.38 |
Calmar ratioReturn relative to maximum drawdown | 4.69 | 1.12 | +3.57 |
Martin ratioReturn relative to average drawdown | 14.73 | 3.97 | +10.76 |
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
| VTSPX | WAIIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.31 | 0.67 | +1.63 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 1.32 | 0.11 | +1.21 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 1.39 | 0.38 | +1.01 |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.05 | 0.64 | +0.42 |
Correlation
The correlation between VTSPX and WAIIX is 0.74, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
VTSPX vs. WAIIX - Dividend Comparison
VTSPX's dividend yield for the trailing twelve months is around 3.58%, more than WAIIX's 3.33% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VTSPX Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares | 3.58% | 3.81% | 2.70% | 2.86% | 6.84% | 4.69% | 1.21% | 1.96% | 2.47% | 1.52% | 0.80% | 0.00% |
WAIIX Western Asset Inflation Indexed Plus Bond Fund | 3.33% | 4.12% | 3.44% | 2.80% | 6.69% | 12.25% | 1.38% | 2.18% | 2.82% | 2.03% | 1.30% | 0.37% |
Drawdowns
VTSPX vs. WAIIX - Drawdown Comparison
The maximum VTSPX drawdown since its inception was -5.35%, smaller than the maximum WAIIX drawdown of -16.55%. Use the drawdown chart below to compare losses from any high point for VTSPX and WAIIX.
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Drawdown Indicators
| VTSPX | WAIIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.35% | -16.55% | +11.20% |
Max Drawdown (1Y)Largest decline over 1 year | -0.92% | -3.13% | +2.21% |
Max Drawdown (5Y)Largest decline over 5 years | -5.35% | -15.99% | +10.64% |
Max Drawdown (10Y)Largest decline over 10 years | -5.35% | -15.99% | +10.64% |
Current DrawdownCurrent decline from peak | -0.28% | -3.48% | +3.20% |
Average DrawdownAverage peak-to-trough decline | -1.02% | -3.83% | +2.81% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.29% | 0.88% | -0.59% |
Volatility
VTSPX vs. WAIIX - Volatility Comparison
The current volatility for Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) is 0.60%, while Western Asset Inflation Indexed Plus Bond Fund (WAIIX) has a volatility of 1.49%. This indicates that VTSPX experiences smaller price fluctuations and is considered to be less risky than WAIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VTSPX | WAIIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.60% | 1.49% | -0.89% |
Volatility (6M)Calculated over the trailing 6-month period | 0.96% | 2.41% | -1.45% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.78% | 4.28% | -2.50% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.67% | 6.39% | -3.72% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.23% | 5.66% | -3.43% |