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ISIN
US9220317039
CUSIP
922031703
Issuer
Vanguard
Inception Date
Oct 28, 1991
Min. Investment
$3,000
Distribution Policy
Distributing
Asset Class
Bond
Assets Under Management
$6B

Share Price Chart


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Performance

VFISX Performance Chart

Vanguard Short-Term Treasury Fund Investor Shares (VFISX) is up 0.5% since the beginning of the year. VFISX is currently trading at $10 per share. Investors who bought $1,000 worth of VFISX shares 5 years ago would now be looking at an investment worth $1,074.


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S&P 500 Index

Returns By Period

Vanguard Short-Term Treasury Fund Investor Shares (VFISX) has returned 0.50% so far this year and 3.48% over the past 12 months. Over the last ten years, VFISX has returned 1.61% per year, falling short of the S&P 500 Index benchmark, which averaged 13.75% annually.


Vanguard Short-Term Treasury Fund Investor Shares

1D
0.00%
1M
0.01%
YTD
0.50%
6M
0.80%
1Y
3.48%
3Y*
4.05%
5Y*
1.43%
10Y*
1.61%

Benchmark (S&P 500 Index)

1D
0.13%
1M
5.25%
YTD
11.16%
6M
11.43%
1Y
28.20%
3Y*
21.12%
5Y*
12.66%
10Y*
13.75%
*Multi-year figures are annualized to reflect compound growth (CAGR)

VFISX Monthly Returns History

Based on dividend-adjusted daily data since Oct 28, 1991, VFISX's average daily return is +0.01%, while the average monthly return is +0.28%. At this rate, an investment would double in approximately 20.7 years.

Historically, 70% of months were positive and 30% were negative. The best month was Nov 2007 with a return of +2.2%, while the worst month was Mar 2022 at -1.5%. The longest winning streak lasted 18 consecutive months, and the longest losing streak was 6 months.

On a daily basis, VFISX closed higher 33% of trading days. The best single day was Sep 17, 2001 with a return of +1.1%, while the worst single day was Mar 8, 1996 at -0.9%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.20%0.78%-0.70%0.20%0.01%0.00%0.50%
20250.45%0.93%0.45%0.84%-0.26%0.63%-0.07%0.94%0.31%0.32%0.50%0.21%5.36%
20240.36%-0.59%0.40%-0.51%0.84%0.58%1.29%0.98%0.84%-0.86%0.34%0.04%3.75%
20230.98%-1.24%1.69%0.24%-0.48%-0.70%0.34%0.35%-0.47%0.16%1.28%1.38%3.54%
2022-0.72%-0.24%-1.52%-0.76%0.65%-0.65%0.60%-1.14%-1.50%-0.19%0.75%-0.04%-4.71%
2021-0.00%-0.28%0.07%0.16%0.13%-0.34%0.12%0.01%-0.18%-0.37%0.01%-0.23%-0.88%

Benchmark Metrics

Vanguard Short-Term Treasury Fund Investor Shares has an annualized alpha of 3.63%, beta of -0.02, and R2 of 0.02 versus S&P 500 Index. Calculated based on daily prices since October 29, 1991.

  • This fund captured 7.29% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -9.79%) - a profile typical of hedging or uncorrelated assets.
  • Beta of -0.02 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
3.63%
Beta
-0.02
0.02
Upside Capture
7.29%
Downside Capture
-9.79%

Expense Ratio

VFISX has an expense ratio of 0.20%, which is considered low.


Return for Risk

Risk / Return Rank

VFISX ranks 39 for risk / return — below 39% 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.


VFISX Risk / Return Rank: 3939
Overall Rank
VFISX Sharpe Ratio Rank: 3333
Sharpe Ratio Rank
VFISX Sortino Ratio Rank: 4646
Sortino Ratio Rank
VFISX Omega Ratio Rank: 4040
Omega Ratio Rank
VFISX Calmar Ratio Rank: 4040
Calmar Ratio Rank
VFISX Martin Ratio Rank: 3737
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 Short-Term Treasury Fund Investor Shares (VFISX) and compare them to S&P 500 Index.


VFISXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

1.65

2.39

-0.74

Sortino ratio

Return per unit of downside risk

2.85

3.25

-0.40

Omega ratio

Gain probability vs. loss probability

1.34

1.43

-0.09

Calmar ratio

Return relative to maximum drawdown

2.41

3.11

-0.70

Martin ratio

Return relative to average drawdown

8.09

14.38

-6.29

Dividends

Dividend History

Vanguard Short-Term Treasury Fund Investor Shares provided a 3.74% dividend yield over the last twelve months, with an annual payout of $0.37 per share.


1.00%2.00%3.00%4.00%$0.00$0.10$0.20$0.30$0.4020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.37$0.39$0.43$0.39$0.19$0.06$0.24$0.25$0.22$0.12$0.13$0.09

Dividend yield

3.74%3.89%4.38%3.95%1.93%0.52%2.20%2.39%2.10%1.15%1.18%0.83%

Monthly Dividends

The table displays the monthly dividend distributions for Vanguard Short-Term Treasury Fund Investor Shares. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.03$0.03$0.03$0.03$0.03$0.00$0.15
2025$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.39
2024$0.04$0.03$0.04$0.04$0.04$0.04$0.04$0.04$0.03$0.03$0.03$0.03$0.43
2023$0.03$0.03$0.04$0.03$0.03$0.03$0.03$0.03$0.03$0.04$0.03$0.04$0.39
2022$0.00$0.00$0.01$0.01$0.02$0.01$0.02$0.02$0.02$0.02$0.02$0.03$0.19
2021$0.00$0.00$0.03$0.01$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.01$0.06

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 Treasury 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 Short-Term Treasury Fund Investor Shares was 6.86%, occurring on Oct 20, 2022. Recovery took 445 trading sessions.

The current Vanguard Short-Term Treasury Fund Investor Shares drawdown is 0.49%.


Related event

Drawdown

Fall

Recovery

Underwater

Bear market2022
-6.86%Oct 2022
1y 4mo1y 9mo
3y 1moJun 2021 - Jul 2024
1994 pullback1994
-3.10%May 1994
3mo 5d8mo 28d
12mo 3dFeb 1994 - Feb 1995
Financial crisis2007–2009
-2.40%Jun 2008
2mo 27d2mo 23d
5mo 20dMar 2008 - Sep 2008
Dot-com crash2000–2002
-2.23%Nov 2001
18d5mo 5d
5mo 23dNov 2001 - Apr 2002
1996 pullback1996
-2.05%Apr 1996
1mo 24d3mo 25d
5mo 19dFeb 1996 - Aug 1996

Drawdown Indicators


VFISXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-6.86%

-56.78%

+49.92%

Max Drawdown (1Y)

Largest decline over 1 year

-1.40%

-9.10%

+7.70%

Max Drawdown (3Y)

Largest decline over 3 years

-1.40%

-18.90%

+17.50%

Max Drawdown (5Y)

Largest decline over 5 years

-6.86%

-25.43%

+18.57%

Max Drawdown (10Y)

Largest decline over 10 years

-6.86%

-33.92%

+27.06%

Current Drawdown

Current decline from peak

-0.49%

0.00%

-0.49%

Average Drawdown

Average peak-to-trough decline

-0.65%

-10.72%

+10.07%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.42%

1.97%

-1.55%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

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