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ISIN
US92206C8055
CUSIP
92206C805
Issuer
Vanguard
Inception Date
Mar 19, 2010
Min. Investment
$5,000,000
Distribution Policy
Distributing
Asset Class
Bond

Share Price Chart


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Performance

VIIGX Performance Chart

Vanguard Intermediate-Term Treasury Index Fund Institutional Shares (VIIGX) is down 0.4% since the beginning of the year. VIIGX is currently trading at $25 per share. Investors who bought $1,000 worth of VIIGX shares 5 years ago would now be looking at an investment worth $1,006.


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S&P 500 Index

Returns By Period

Vanguard Intermediate-Term Treasury Index Fund Institutional Shares (VIIGX) has returned -0.35% so far this year and 4.04% over the past 12 months. Over the last ten years, VIIGX has returned 1.30% per year, falling short of the S&P 500 Index benchmark, which averaged 13.33% annually.


Vanguard Intermediate-Term Treasury Index Fund Institutional Shares

1D
0.08%
1M
-0.28%
YTD
-0.35%
6M
-0.11%
1Y
4.04%
3Y*
3.53%
5Y*
0.12%
10Y*
1.30%

Benchmark (S&P 500 Index)

1D
-2.64%
1M
0.64%
YTD
7.86%
6M
7.47%
1Y
23.05%
3Y*
19.90%
5Y*
11.79%
10Y*
13.33%
*Multi-year figures are annualized to reflect compound growth (CAGR)

VIIGX Monthly Returns History

Based on dividend-adjusted daily data since Nov 23, 2009, VIIGX's average daily return is +0.01%, while the average monthly return is +0.18%. At this rate, an investment would double in approximately 32.1 years.

Historically, 54% of months were positive and 46% were negative. The best month was Mar 2023 with a return of +3.0%, while the worst month was Dec 2010 at -3.4%. The longest winning streak lasted 7 consecutive months, and the longest losing streak was 6 months.

On a daily basis, VIIGX closed higher 49% of trading days. The best single day was Nov 10, 2022 with a return of +1.6%, while the worst single day was Dec 23, 2010 at -1.5%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026-0.08%1.72%-1.68%0.01%-0.13%-0.16%-0.35%
20250.58%1.94%0.58%1.24%-0.83%1.25%-0.44%1.50%0.31%0.52%0.79%-0.23%7.38%
20240.16%-1.52%0.51%-1.99%1.44%1.01%2.33%1.24%1.10%-2.09%0.68%-1.14%1.62%
20232.41%-2.40%3.04%0.72%-1.06%-1.23%-0.07%-0.22%-1.61%-0.87%3.03%2.76%4.39%
2022-1.59%-0.49%-3.27%-2.44%0.74%-0.80%1.98%-2.85%-3.28%-0.72%2.47%-0.73%-10.65%
2021-0.20%-1.40%-1.13%0.63%0.38%0.09%1.19%-0.26%-1.00%-0.76%0.48%-0.39%-2.38%

Benchmark Metrics

Vanguard Intermediate-Term Treasury Index Fund Institutional Shares has an annualized alpha of 3.01%, beta of -0.06, and R2 of 0.06 versus S&P 500 Index. Calculated based on daily prices since November 24, 2009.

  • This fund captured 4.18% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -6.65%) - a profile typical of hedging or uncorrelated assets.
  • Beta of -0.06 may look defensive, but with R2 of 0.06 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 0.06 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
3.01%
Beta
-0.06
0.06
Upside Capture
4.18%
Downside Capture
-6.65%

Expense Ratio

VIIGX has an expense ratio of 0.05%, which is considered low.


Return for Risk

Risk / Return Rank

VIIGX ranks 13 for risk / return — in the bottom 13% of mutual funds on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.


VIIGX Risk / Return Rank: 1313
Overall Rank
VIIGX Sharpe Ratio Rank: 1313
Sharpe Ratio Rank
VIIGX Sortino Ratio Rank: 1313
Sortino Ratio Rank
VIIGX Omega Ratio Rank: 1212
Omega Ratio Rank
VIIGX Calmar Ratio Rank: 1313
Calmar Ratio Rank
VIIGX Martin Ratio Rank: 1212
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 Intermediate-Term Treasury Index Fund Institutional Shares (VIIGX) and compare them to S&P 500 Index.


VIIGXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-1.07

Sortino ratioReturn per unit of downside risk

-1.31

Omega ratioGain probability vs. loss probability

1.16

1.36

-0.20

Calmar ratioReturn relative to maximum drawdown

1.12

2.69

-1.57

Martin ratioReturn relative to average drawdown

3.35

12.34

-9.00

Dividends

Dividend History

Vanguard Intermediate-Term Treasury Index Fund Institutional Shares provided a 3.86% dividend yield over the last twelve months, with an annual payout of $0.95 per share.


2.00%2.50%3.00%3.50%4.00%$0.00$0.20$0.40$0.60$0.80$1.0020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.95$0.95$0.97$0.68$0.42$0.53$0.65$0.62$0.55$0.45$0.44$0.46

Dividend yield

3.86%3.78%3.97%2.71%1.73%1.91%2.23%2.23%2.07%1.68%1.64%1.72%

Monthly Dividends

The table displays the monthly dividend distributions for Vanguard Intermediate-Term Treasury Index 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$0.08$0.07$0.08$0.08$0.08$0.39
2025$0.08$0.07$0.08$0.08$0.08$0.08$0.08$0.08$0.08$0.08$0.08$0.08$0.95
2024$0.07$0.06$0.07$0.07$0.07$0.07$0.08$0.08$0.08$0.15$0.08$0.08$0.97
2023$0.05$0.05$0.05$0.05$0.05$0.05$0.05$0.06$0.06$0.06$0.07$0.07$0.68
2022$0.03$0.02$0.03$0.03$0.03$0.03$0.04$0.04$0.04$0.04$0.05$0.05$0.42
2021$0.09$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.18$0.53

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 Intermediate-Term Treasury 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 Intermediate-Term Treasury Index Fund Institutional Shares was 15.96%, occurring on Oct 20, 2022. Recovery took 840 trading sessions.

The current Vanguard Intermediate-Term Treasury Index Fund Institutional Shares drawdown is 1.95%.


Related event

Drawdown

Fall

Recovery

Underwater

Bear market2022
-15.96%Oct 2022
2y 2mo3y 4mo
5y 6moAug 2020 - Feb 2026
2011 pullback2011
-6.39%Feb 2011
3mo 5d5mo 21d
8mo 26dNov 2010 - Jul 2011
2018 pullback2018
-5.30%May 2018
1y 10mo10mo 9d
2y 8moJul 2016 - Mar 2019
2013 pullback2013
-5.05%Sep 2013
4mo 5d1y 1mo
1y 5moMay 2013 - Oct 2014
2026 pullback2026
-2.83%May 2026
2mo 18d
3mo 7dMar 2026 - now

Drawdown Indicators


VIIGXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-15.96%

-56.78%

+40.82%

Max Drawdown (1Y)

Largest decline over 1 year

-2.83%

-9.10%

+6.27%

Max Drawdown (3Y)

Largest decline over 3 years

-4.27%

-18.90%

+14.63%

Max Drawdown (5Y)

Largest decline over 5 years

-15.09%

-25.43%

+10.34%

Max Drawdown (10Y)

Largest decline over 10 years

-15.96%

-33.92%

+17.96%

Current Drawdown

Current decline from peak

-1.95%

-2.97%

+1.02%

Average Drawdown

Average peak-to-trough decline

-3.42%

-10.72%

+7.30%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.95%

1.97%

-1.02%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

Build a portfolio with VIIGX

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