- ISIN
- US9220318698
- CUSIP
- 922031869
- Issuer
- Vanguard
- Inception Date
- Jun 29, 2000
- Category
- Inflation-Protected Bonds
- Min. Investment
- $3,000
- Distribution Policy
- Distributing
- Asset Class
- Bond
- Assets Under Management
- $28B
Share Price Chart
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Performance
VIPSX Performance Chart
Vanguard Inflation-Protected Securities Fund Investor Shares (VIPSX) is up 1.0% since the beginning of the year. VIPSX is currently trading at $12 per share. Investors who bought $1,000 worth of VIPSX shares 5 years ago would now be looking at an investment worth $1,047.
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Returns By Period
Vanguard Inflation-Protected Securities Fund Investor Shares (VIPSX) has returned 1.00% so far this year and 3.87% over the past 12 months. Over the last ten years, VIPSX has returned 2.49% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
Vanguard Inflation-Protected Securities Fund Investor Shares
- 1D
- 0.17%
- 1M
- 0.34%
- YTD
- 1.00%
- 6M
- 1.17%
- 1Y
- 3.87%
- 3Y*
- 3.69%
- 5Y*
- 0.93%
- 10Y*
- 2.49%
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%
VIPSX Monthly Returns History
Based on dividend-adjusted daily data since Jun 29, 2000, VIPSX's average daily return is +0.02%, while the average monthly return is +0.36%. At this rate, an investment would double in approximately 16.1 years.
Historically, 66% of months were positive and 34% were negative. The best month was Mar 2009 with a return of +6.0%, while the worst month was Oct 2008 at -8.8%. The longest winning streak lasted 13 consecutive months, and the longest losing streak was 4 months.
On a daily basis, VIPSX closed higher 47% of trading days. The best single day was Mar 20, 2020 with a return of +3.7%, while the worst single day was Mar 17, 2020 at -2.9%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.43% | 1.28% | -1.34% | 1.08% | 0.08% | -0.51% | 1.00% | ||||||
| 2025 | 1.22% | 2.24% | 0.66% | 0.08% | -0.67% | 0.97% | 0.08% | 1.52% | 0.47% | 0.33% | 0.17% | -0.47% | 6.77% |
| 2024 | 0.26% | -1.11% | 0.72% | -1.62% | 1.82% | 0.73% | 1.80% | 0.84% | 1.43% | -1.83% | 0.42% | -1.63% | 1.74% |
| 2023 | 2.12% | -1.50% | 2.91% | 0.08% | -1.23% | -0.46% | 0.08% | -0.84% | -1.90% | -0.70% | 2.64% | 2.62% | 3.73% |
| 2022 | -1.86% | 0.70% | -1.65% | -2.15% | -0.95% | -3.02% | 4.07% | -2.63% | -6.62% | 1.26% | 1.83% | -1.33% | -12.04% |
| 2021 | 0.42% | -1.73% | -0.08% | 1.34% | 0.97% | 0.71% | 2.55% | -0.13% | -0.77% | 1.11% | 0.96% | 0.16% | 5.57% |
Benchmark Metrics
Vanguard Inflation-Protected Securities Fund Investor Shares has an annualized alpha of 4.88%, beta of -0.05, and R2 of 0.02 versus S&P 500 Index. Calculated based on daily prices since June 29, 2000.
- This fund captured 11.92% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -6.45%) - a profile typical of hedging or uncorrelated assets.
- Beta of -0.05 may look defensive, but with R2 of 0.02 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 0.02 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
- 4.88%
- Beta
- -0.05
- R²
- 0.02
- Upside Capture
- 11.92%
- Downside Capture
- -6.45%
Expense Ratio
VIPSX has an expense ratio of 0.20%, which is considered low.
Return for Risk
Risk / Return Rank
VIPSX ranks 24 for risk / return — below 24% of mutual funds on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Vanguard Inflation-Protected Securities Fund Investor Shares (VIPSX) 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.
| VIPSX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.83 | ||
| Sortino ratioReturn per unit of downside risk | -0.97 | ||
| Omega ratioGain probability vs. loss probability | 1.21 | 1.37 | -0.16 |
| Calmar ratioReturn relative to maximum drawdown | 2.01 | 2.78 | -0.77 |
| Martin ratioReturn relative to average drawdown | 6.10 | 12.44 | -6.34 |
Dividends
Dividend History
Vanguard Inflation-Protected Securities Fund Investor Shares provided a 4.41% dividend yield over the last twelve months, with an annual payout of $0.52 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.52 | $0.54 | $0.47 | $0.49 | $0.98 | $0.73 | $0.19 | $0.29 | $0.38 | $0.30 | $0.44 | $0.10 |
Dividend yield | 4.41% | 4.64% | 4.07% | 4.20% | 8.34% | 5.03% | 1.28% | 2.22% | 3.03% | 2.32% | 3.38% | 0.77% |
Monthly Dividends
The table displays the monthly dividend distributions for Vanguard Inflation-Protected Securities Fund Investor 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 | $0.03 | $0.00 | $0.00 | $0.12 | $0.00 | $0.00 | $0.13 | $0.00 | $0.00 | $0.26 | $0.54 |
| 2024 | $0.00 | $0.00 | $0.01 | $0.00 | $0.00 | $0.15 | $0.00 | $0.00 | $0.11 | $0.00 | $0.00 | $0.20 | $0.47 |
| 2023 | $0.00 | $0.00 | $0.04 | $0.00 | $0.00 | $0.11 | $0.00 | $0.00 | $0.12 | $0.00 | $0.00 | $0.23 | $0.49 |
| 2022 | $0.00 | $0.00 | $0.15 | $0.00 | $0.00 | $0.31 | $0.00 | $0.00 | $0.21 | $0.00 | $0.00 | $0.30 | $0.98 |
| 2021 | $0.00 | $0.00 | $0.03 | $0.00 | $0.00 | $0.14 | $0.00 | $0.00 | $0.27 | $0.00 | $0.00 | $0.29 | $0.73 |
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 Inflation-Protected Securities Fund Investor 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 Inflation-Protected Securities Fund Investor Shares was 15.13%, occurring on Nov 24, 2008. Recovery took 226 trading sessions.
The current Vanguard Inflation-Protected Securities Fund Investor Shares drawdown is 0.70%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Financial crisis2007–2009 | -15.13%Nov 2008 | 8mo 18d | 10mo 29d | 1y 7moMar 2008 - Oct 2009 |
2023 correction2023 | -14.55%Oct 2023 | 1y 11mo | 2y 4mo | 4y 3moNov 2021 - Feb 2026 |
2013 correction2013 | -11.22%Sep 2013 | 8mo 28d | 5y 6mo | 6y 3moDec 2012 - Mar 2019 |
COVID crash2020 | -8.95%Mar 2020 | 9d | 1mo 11d | 1mo 20dMar 2020 - Apr 2020 |
2003 pullback2003 | -7.32%Aug 2003 | 1mo 20d | 5mo 13d | 7mo 3dJun 2003 - Jan 2004 |
Drawdown Indicators
| VIPSX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.13% | -56.78% | +41.65% |
Max Drawdown (1Y)Largest decline over 1 year | -2.02% | -9.10% | +7.08% |
Max Drawdown (3Y)Largest decline over 3 years | -4.57% | -18.90% | +14.33% |
Max Drawdown (5Y)Largest decline over 5 years | -14.55% | -25.43% | +10.88% |
Max Drawdown (10Y)Largest decline over 10 years | -14.55% | -33.92% | +19.37% |
Current DrawdownCurrent decline from peak | -0.70% | -1.80% | +1.10% |
Average DrawdownAverage peak-to-trough decline | -3.23% | -10.71% | +7.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.66% | 2.03% | -1.37% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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