- ISIN
- US9220317450
- CUSIP
- 922031745
- Issuer
- Vanguard
- Inception Date
- Dec 12, 2003
- Category
- Inflation-Protected Bonds
- Min. Investment
- $5,000,000
- Distribution Policy
- Distributing
- Asset Class
- Bond
Share Price Chart
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Performance
VIPIX Performance Chart
Vanguard Inflation-Protected Securities Fund Institutional Shares (VIPIX) is up 1.6% since the beginning of the year. VIPIX is currently trading at $10 per share. Investors who bought $1,000 worth of VIPIX shares 5 years ago would now be looking at an investment worth $1,060.
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Returns By Period
Vanguard Inflation-Protected Securities Fund Institutional Shares (VIPIX) has returned 1.59% so far this year and 5.29% over the past 12 months. Over the last ten years, VIPIX has returned 2.67% per year, falling short of the S&P 500 Index benchmark, which averaged 13.66% annually.
Vanguard Inflation-Protected Securities Fund Institutional Shares
- 1D
- -0.11%
- 1M
- 0.11%
- YTD
- 1.59%
- 6M
- 1.20%
- 1Y
- 5.29%
- 3Y*
- 4.06%
- 5Y*
- 1.18%
- 10Y*
- 2.67%
Benchmark (S&P 500 Index)
- 1D
- -0.74%
- 1M
- 4.90%
- YTD
- 10.35%
- 6M
- 10.28%
- 1Y
- 26.52%
- 3Y*
- 20.83%
- 5Y*
- 12.30%
- 10Y*
- 13.66%
VIPIX Monthly Returns History
Based on dividend-adjusted daily data since Dec 15, 2003, VIPIX's average daily return is +0.01%, while the average monthly return is +0.31%. At this rate, an investment would double in approximately 18.7 years.
Historically, 64% of months were positive and 36% were negative. The best month was Mar 2009 with a return of +6.1%, while the worst month was Oct 2008 at -8.9%. The longest winning streak lasted 12 consecutive months, and the longest losing streak was 4 months.
On a daily basis, VIPIX closed higher 46% of trading days. The best single day was Mar 20, 2020 with a return of +3.8%, while the worst single day was Mar 17, 2020 at -3.0%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.43% | 1.28% | -1.37% | 1.05% | 0.11% | 0.11% | 1.59% | ||||||
| 2025 | 1.31% | 2.15% | 0.69% | 0.10% | -0.63% | 0.98% | 0.11% | 1.48% | 0.46% | 0.42% | 0.21% | -0.48% | 6.98% |
| 2024 | 0.32% | -1.17% | 0.69% | -1.50% | 1.74% | 0.74% | 1.82% | 0.84% | 1.48% | -1.87% | 0.53% | -1.69% | 1.85% |
| 2023 | 2.12% | -1.45% | 2.86% | 0.10% | -1.23% | -0.46% | 0.11% | -0.84% | -1.85% | -0.66% | 2.64% | 2.61% | 3.85% |
| 2022 | -1.90% | 0.79% | -1.68% | -2.15% | -0.92% | -3.02% | 4.11% | -2.63% | -6.62% | 1.26% | 1.87% | -1.32% | -11.93% |
| 2021 | 0.43% | -1.73% | -0.11% | 1.41% | 1.04% | 0.67% | 2.50% | -0.08% | -0.70% | 1.04% | 0.94% | 0.24% | 5.73% |
Benchmark Metrics
Vanguard Inflation-Protected Securities Fund Institutional Shares has an annualized alpha of 4.22%, beta of -0.04, and R2 of 0.02 versus S&P 500 Index. Calculated based on daily prices since December 16, 2003.
- This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (13.33%) than losses (2.08%) - typical of diversified or defensive assets.
- Beta of -0.04 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
- 4.22%
- Beta
- -0.04
- R²
- 0.02
- Upside Capture
- 13.33%
- Downside Capture
- 2.08%
Expense Ratio
VIPIX has an expense ratio of 0.07%, which is considered low.
Return for Risk
Risk / Return Rank
VIPIX ranks 33 for risk / return — below 33% 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 Institutional Shares (VIPIX) and compare them to S&P 500 Index.
| VIPIX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.75 | ||
| Sortino ratioReturn per unit of downside risk | -0.78 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.41 | -0.14 |
| Calmar ratioReturn relative to maximum drawdown | 2.60 | 2.93 | -0.32 |
| Martin ratioReturn relative to average drawdown | 7.88 | 13.52 | -5.64 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Dividends
Dividend History
Vanguard Inflation-Protected Securities Fund Institutional Shares provided a 4.52% dividend yield over the last twelve months, with an annual payout of $0.43 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.43 | $0.45 | $0.39 | $0.41 | $0.80 | $0.60 | $0.16 | $0.24 | $0.31 | $0.26 | $0.36 | $0.09 |
Dividend yield | 4.52% | 4.77% | 4.20% | 4.34% | 8.49% | 5.16% | 1.41% | 2.32% | 3.15% | 2.45% | 3.50% | 0.91% |
Monthly Dividends
The table displays the monthly dividend distributions for Vanguard Inflation-Protected Securities 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 | $0.03 | $0.00 | $0.00 | $0.10 | $0.00 | $0.00 | $0.10 | $0.00 | $0.00 | $0.21 | $0.45 |
| 2024 | $0.00 | $0.00 | $0.01 | $0.00 | $0.00 | $0.12 | $0.00 | $0.00 | $0.09 | $0.00 | $0.00 | $0.16 | $0.39 |
| 2023 | $0.00 | $0.00 | $0.03 | $0.00 | $0.00 | $0.10 | $0.00 | $0.00 | $0.10 | $0.00 | $0.00 | $0.18 | $0.41 |
| 2022 | $0.00 | $0.00 | $0.13 | $0.00 | $0.00 | $0.25 | $0.00 | $0.00 | $0.17 | $0.00 | $0.00 | $0.24 | $0.80 |
| 2021 | $0.00 | $0.00 | $0.03 | $0.00 | $0.00 | $0.12 | $0.00 | $0.00 | $0.22 | $0.00 | $0.00 | $0.24 | $0.60 |
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 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 Inflation-Protected Securities Fund Institutional Shares was 15.04%, occurring on Nov 24, 2008. Recovery took 226 trading sessions.
The current Vanguard Inflation-Protected Securities Fund Institutional Shares drawdown is 0.12%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Financial crisis2007–2009 | -15.04%Nov 2008 | 8mo 18d | 10mo 29d | 1y 7moMar 2008 - Oct 2009 |
2023 correction2023 | -14.33%Oct 2023 | 1y 6mo | 2y 4mo | 3y 11moMar 2022 - Feb 2026 |
2013 correction2013 | -11.12%Sep 2013 | 8mo 28d | 5y 6mo | 6y 3moDec 2012 - Mar 2019 |
COVID crash2020 | -9.02%Mar 2020 | 9d | 1mo 11d | 1mo 20dMar 2020 - Apr 2020 |
2004 pullback2004 | -6.09%May 2004 | 1mo 20d | 4mo 18d | 6mo 8dMar 2004 - Sep 2004 |
Drawdown Indicators
| VIPIX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.04% | -56.78% | +41.74% |
Max Drawdown (1Y)Largest decline over 1 year | -2.00% | -9.10% | +7.10% |
Max Drawdown (3Y)Largest decline over 3 years | -4.46% | -18.90% | +14.44% |
Max Drawdown (5Y)Largest decline over 5 years | -14.33% | -25.43% | +11.10% |
Max Drawdown (10Y)Largest decline over 10 years | -14.33% | -33.92% | +19.59% |
Current DrawdownCurrent decline from peak | -0.12% | -0.74% | +0.62% |
Average DrawdownAverage peak-to-trough decline | -3.35% | -10.72% | +7.37% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.66% | 1.97% | -1.31% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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