- ISIN
- US9220206075
- CUSIP
- 922020607
- Issuer
- Vanguard
- Inception Date
- Oct 17, 2012
- Category
- Inflation-Protected Bonds
- Min. Investment
- $5,000,000
- Distribution Policy
- Distributing
- Asset Class
- Bond
Share Price Chart
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Performance
VTSPX Performance Chart
Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) is up 1.5% since the beginning of the year. VTSPX is currently trading at $25 per share. Investors who bought $1,000 worth of VTSPX shares 5 years ago would now be looking at an investment worth $1,180.
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Returns By Period
Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) has returned 1.46% so far this year and 3.77% over the past 12 months. Over the last ten years, VTSPX has returned 3.07% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares
- 1D
- 0.04%
- 1M
- -0.04%
- YTD
- 1.46%
- 6M
- 1.58%
- 1Y
- 3.77%
- 3Y*
- 5.06%
- 5Y*
- 3.37%
- 10Y*
- 3.07%
Benchmark (S&P 500 Index)
- 1D
- -0.37%
- 1M
- -0.01%
- YTD
- 9.16%
- 6M
- 8.64%
- 1Y
- 25.22%
- 3Y*
- 19.78%
- 5Y*
- 11.99%
- 10Y*
- 13.88%
VTSPX Monthly Returns History
Based on dividend-adjusted daily data since Jan 2, 2013, VTSPX's average daily return is +0.01%, while the average monthly return is +0.19%. At this rate, an investment would double in approximately 30.4 years.
Historically, 62% of months were positive and 38% were negative. The best month was Mar 2023 with a return of +1.9%, while the worst month was Sep 2022 at -2.9%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 5 months.
On a daily basis, VTSPX closed higher 45% of trading days. The best single day was Sep 28, 2022 with a return of +0.8%, while the worst single day was Mar 9, 2020 at -0.9%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.52% | 0.40% | 0.04% | 0.93% | 0.04% | -0.47% | 1.46% | ||||||
| 2025 | 0.91% | 1.14% | 0.96% | 0.80% | -0.36% | 0.53% | 0.32% | 1.27% | -0.06% | 0.12% | 0.24% | 0.03% | 6.06% |
| 2024 | 0.46% | -0.21% | 0.56% | -0.04% | 0.92% | 0.59% | 0.91% | 0.57% | 1.00% | -0.41% | 0.41% | -0.10% | 4.75% |
| 2023 | 0.73% | -0.38% | 1.93% | 0.13% | -0.63% | -0.19% | 0.51% | 0.13% | -0.20% | 0.38% | 1.06% | 1.09% | 4.61% |
| 2022 | -0.50% | 0.98% | -0.76% | -0.04% | 0.39% | -1.47% | 1.77% | -1.47% | -2.92% | 1.05% | 0.46% | -0.25% | -2.82% |
| 2021 | 0.59% | 0.08% | 0.42% | 0.85% | 0.77% | 0.08% | 1.27% | 0.08% | -0.05% | 0.66% | 0.15% | 0.32% | 5.32% |
Benchmark Metrics
Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares has an annualized alpha of 2.10%, beta of 0.01, and R2 of 0.01 versus S&P 500 Index. Calculated based on daily prices since January 02, 2013.
- This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (8.19%) than losses (3.27%) - typical of diversified or defensive assets.
- Beta of 0.01 may look defensive, but with R2 of 0.01 this fund is largely uncorrelated with S&P 500 Index - low beta reflects independence, not downside protection. See the Volatility section for a true picture of this fund's risk.
- R2 of 0.01 means this fund moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 2.10%
- Beta
- 0.01
- R²
- 0.01
- Upside Capture
- 8.19%
- Downside Capture
- 3.27%
Expense Ratio
VTSPX has an expense ratio of 0.04%, which is considered low.
Return for Risk
Risk / Return Rank
VTSPX ranks 89 for risk / return — in the top 89% of mutual funds on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares (VTSPX) and compare them to S&P 500 Index.
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.
| VTSPX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.47 | ||
| Sortino ratioReturn per unit of downside risk | +1.20 | ||
| Omega ratioGain probability vs. loss probability | 1.53 | 1.37 | +0.16 |
| Calmar ratioReturn relative to maximum drawdown | 5.51 | 2.78 | +2.73 |
| Martin ratioReturn relative to average drawdown | 20.25 | 12.44 | +7.82 |
Dividends
Dividend History
Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares provided a 3.61% dividend yield over the last twelve months, with an annual payout of $0.91 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.91 | $0.95 | $0.66 | $0.68 | $1.60 | $1.21 | $0.31 | $0.48 | $0.59 | $0.37 | $0.20 |
Dividend yield | 3.61% | 3.81% | 2.70% | 2.86% | 6.84% | 4.69% | 1.21% | 1.96% | 2.47% | 1.52% | 0.80% |
Monthly Dividends
The table displays the monthly dividend distributions for Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.00 | $0.01 | $0.00 | $0.00 | $0.01 | ||||||
| 2025 | $0.00 | $0.00 | $0.05 | $0.00 | $0.00 | $0.21 | $0.00 | $0.00 | $0.33 | $0.00 | $0.00 | $0.36 | $0.95 |
| 2024 | $0.00 | $0.00 | $0.01 | $0.00 | $0.00 | $0.22 | $0.00 | $0.00 | $0.15 | $0.00 | $0.00 | $0.27 | $0.66 |
| 2023 | $0.00 | $0.00 | $0.01 | $0.00 | $0.00 | $0.18 | $0.00 | $0.00 | $0.17 | $0.00 | $0.00 | $0.32 | $0.68 |
| 2022 | $0.00 | $0.00 | $0.24 | $0.00 | $0.00 | $0.34 | $0.00 | $0.00 | $0.45 | $0.00 | $0.00 | $0.56 | $1.60 |
| 2021 | $0.00 | $0.00 | $0.05 | $0.00 | $0.00 | $0.24 | $0.00 | $0.00 | $0.44 | $0.00 | $0.00 | $0.48 | $1.21 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares was 5.35%, occurring on Sep 30, 2022. Recovery took 303 trading sessions.
The current Vanguard Short-Term Inflation-Protected Securities Index Fund Institutional Shares drawdown is 0.63%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Bear market2022 | -5.35%Sep 2022 | 6mo 20d | 1y 2mo | 1y 9moMar 2022 - Dec 2023 |
COVID crash2020 | -3.95%Mar 2020 | 12d | 2mo 19d | 3mo 1dMar 2020 - Jun 2020 |
2015 pullback2015 | -3.61%Dec 2015 | 2y 8mo | 1y 2mo | 3y 10moApr 2013 - Feb 2017 |
Bear market2022 | -1.98%Feb 2022 | 2mo 24d | 19d | 3mo 13dNov 2021 - Mar 2022 |
2025 selloff2025 | -0.92%Apr 2025 | 7d | 17d | 24dApr 2025 - Apr 2025 |
Drawdown Indicators
| VTSPX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.35% | -56.78% | +51.43% |
Max Drawdown (1Y)Largest decline over 1 year | -0.72% | -9.10% | +8.38% |
Max Drawdown (3Y)Largest decline over 3 years | -0.92% | -18.90% | +17.98% |
Max Drawdown (5Y)Largest decline over 5 years | -5.35% | -25.43% | +20.08% |
Max Drawdown (10Y)Largest decline over 10 years | -5.35% | -33.92% | +28.57% |
Current DrawdownCurrent decline from peak | -0.63% | -1.80% | +1.17% |
Average DrawdownAverage peak-to-trough decline | -1.01% | -10.71% | +9.70% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.19% | 2.03% | -1.84% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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