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ISIN
US9220317450
CUSIP
922031745
Issuer
Vanguard
Inception Date
Dec 12, 2003
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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S&P 500 Index

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%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.43%1.28%-1.37%1.05%0.11%0.11%1.59%
20251.31%2.15%0.69%0.10%-0.63%0.98%0.11%1.48%0.46%0.42%0.21%-0.48%6.98%
20240.32%-1.17%0.69%-1.50%1.74%0.74%1.82%0.84%1.48%-1.87%0.53%-1.69%1.85%
20232.12%-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%
20210.43%-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
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.


VIPIX Risk / Return Rank: 3333
Overall Rank
VIPIX Sharpe Ratio Rank: 2727
Sharpe Ratio Rank
VIPIX Sortino Ratio Rank: 3030
Sortino Ratio Rank
VIPIX Omega Ratio Rank: 2626
Omega Ratio Rank
VIPIX Calmar Ratio Rank: 4646
Calmar Ratio Rank
VIPIX Martin Ratio Rank: 3636
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

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.


VIPIXBenchmarkDifference
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

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.


0.00%2.00%4.00%6.00%8.00%$0.00$0.20$0.40$0.60$0.8020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
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.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
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 18d10mo 29d
1y 7moMar 2008 - Oct 2009
2023 correction2023
-14.33%Oct 2023
1y 6mo2y 4mo
3y 11moMar 2022 - Feb 2026
2013 correction2013
-11.12%Sep 2013
8mo 28d5y 6mo
6y 3moDec 2012 - Mar 2019
COVID crash2020
-9.02%Mar 2020
9d1mo 11d
1mo 20dMar 2020 - Apr 2020
2004 pullback2004
-6.09%May 2004
1mo 20d4mo 18d
6mo 8dMar 2004 - Sep 2004

Drawdown Indicators


VIPIXBenchmarkDifference

Max Drawdown

Largest 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 Drawdown

Current decline from peak

-0.12%

-0.74%

+0.62%

Average Drawdown

Average peak-to-trough decline

-3.35%

-10.72%

+7.37%

Ulcer Index

Depth 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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Portfolio Analyzer

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