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ISIN
US9220317294
CUSIP
922031729
Issuer
Vanguard
Inception Date
Feb 24, 2015
Min. Investment
$3,000
Distribution Policy
Distributing
Asset Class
Bond
Assets Under Management
$16B

Share Price Chart


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Performance

VUBFX Performance Chart

Vanguard Ultra-Short-Term Bond Fund Investor Shares (VUBFX) is up 1.4% since the beginning of the year. VUBFX is currently trading at $10 per share. Investors who bought $1,000 worth of VUBFX shares 5 years ago would now be looking at an investment worth $1,182.


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S&P 500 Index

Returns By Period

Vanguard Ultra-Short-Term Bond Fund Investor Shares (VUBFX) has returned 1.37% so far this year and 4.19% over the past 12 months. Over the last ten years, VUBFX has returned 2.60% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


Vanguard Ultra-Short-Term Bond Fund Investor Shares

1D
0.00%
1M
0.15%
YTD
1.37%
6M
1.47%
1Y
4.19%
3Y*
5.29%
5Y*
3.40%
10Y*
2.60%

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

VUBFX Monthly Returns History

Based on dividend-adjusted daily data since Jan 4, 2016, VUBFX's average daily return is +0.01%, while the average monthly return is +0.21%. At this rate, an investment would double in approximately 27.5 years.

Historically, 85% of months were positive and 15% were negative. The best month was Nov 2023 with a return of +0.9%, while the worst month was Mar 2020 at -1.1%. The longest winning streak lasted 36 consecutive months, and the longest losing streak was 8 months.

On a daily basis, VUBFX closed higher 19% of trading days. The best single day was Oct 31, 2024 with a return of +0.4%, while the worst single day was Jun 13, 2022 at -0.3%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.40%0.25%-0.06%0.37%0.35%0.05%1.37%
20250.49%0.49%0.32%0.39%0.29%0.49%0.29%0.58%0.48%0.27%0.47%0.38%5.04%
20240.49%0.21%0.45%0.23%0.54%0.42%0.83%0.72%0.61%0.52%0.41%0.42%5.99%
20230.65%-0.05%0.70%0.29%0.22%0.23%0.57%0.37%0.27%0.39%0.90%0.74%5.43%
2022-0.37%-0.16%-0.56%-0.15%0.26%-0.22%0.21%-0.08%-0.26%-0.04%0.50%0.34%-0.53%
20210.15%-0.10%0.04%0.04%0.04%0.04%0.03%0.03%-0.07%-0.07%-0.06%-0.05%0.03%

Benchmark Metrics

Vanguard Ultra-Short-Term Bond Fund Investor Shares has an annualized alpha of 2.58%, beta of -0.00, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since January 04, 2016.

  • This fund captured 6.24% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -3.79%) - a profile typical of hedging or uncorrelated assets.
  • Beta of -0.00 may look defensive, but with R2 of 0.00 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 0.00 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
2.58%
Beta
-0.00
0.00
Upside Capture
6.24%
Downside Capture
-3.79%

Expense Ratio

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


Return for Risk

Risk / Return Rank

VUBFX ranks 99 for risk / return — in the top 99% of mutual funds on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.


VUBFX Risk / Return Rank: 9999
Overall Rank
VUBFX Sharpe Ratio Rank: 100100
Sharpe Ratio Rank
VUBFX Sortino Ratio Rank: 100100
Sortino Ratio Rank
VUBFX Omega Ratio Rank: 9999
Omega Ratio Rank
VUBFX Calmar Ratio Rank: 9999
Calmar Ratio Rank
VUBFX Martin Ratio Rank: 100100
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 Ultra-Short-Term Bond Fund Investor Shares (VUBFX) 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.


VUBFXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

+3.38

Sortino ratioReturn per unit of downside risk

+8.97

Omega ratioGain probability vs. loss probability

4.11

1.37

+2.74

Calmar ratioReturn relative to maximum drawdown

14.09

2.78

+11.30

Martin ratioReturn relative to average drawdown

79.11

12.44

+66.67

Dividends

Dividend History

Vanguard Ultra-Short-Term Bond Fund Investor Shares provided a 4.42% dividend yield over the last twelve months, with an annual payout of $0.44 per share.


0.00%1.00%2.00%3.00%4.00%5.00%$0.00$0.10$0.20$0.30$0.40$0.502016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM2025202420232022202120202019201820172016
Dividend$0.44$0.46$0.54$0.40$0.13$0.04$0.15$0.26$0.21$0.14$0.10

Dividend yield

4.42%4.62%5.42%4.06%1.28%0.43%1.52%2.58%2.13%1.43%0.98%

Monthly Dividends

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


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.04$0.03$0.04$0.04$0.04$0.18
2025$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.46
2024$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.08$0.04$0.04$0.54
2023$0.02$0.03$0.03$0.03$0.03$0.03$0.04$0.04$0.04$0.04$0.04$0.04$0.40
2022$0.00$0.00$0.00$0.01$0.01$0.01$0.01$0.01$0.01$0.02$0.02$0.02$0.13
2021$0.01$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.04

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 Ultra-Short-Term Bond 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 Ultra-Short-Term Bond Fund Investor Shares was 1.86%, occurring on Jun 14, 2022. Recovery took 186 trading sessions.

The current Vanguard Ultra-Short-Term Bond Fund Investor Shares drawdown is 0.10%.


Related event

Drawdown

Fall

Recovery

Underwater

Bear market2022
-1.86%Jun 2022
8mo 13d9mo 2d
1y 5moOct 2021 - Mar 2023
COVID crash2020
-1.59%Mar 2020
12d2mo 13d
2mo 25dMar 2020 - Jun 2020
2025 selloff2025
-0.30%Apr 2025
2d16d
18dApr 2025 - Apr 2025
2026 pullback2026
-0.30%Mar 2026
9d18d
27dMar 2026 - Apr 2026
2023 pullback2023
-0.20%Mar 2023
0s1d
1dMar 2023 - Mar 2023

Drawdown Indicators


VUBFXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-1.86%

-56.78%

+54.92%

Max Drawdown (1Y)

Largest decline over 1 year

-0.30%

-9.10%

+8.80%

Max Drawdown (3Y)

Largest decline over 3 years

-0.30%

-18.90%

+18.60%

Max Drawdown (5Y)

Largest decline over 5 years

-1.86%

-25.43%

+23.57%

Max Drawdown (10Y)

Largest decline over 10 years

-1.86%

-33.92%

+32.06%

Current Drawdown

Current decline from peak

-0.10%

-1.80%

+1.70%

Average Drawdown

Average peak-to-trough decline

-0.17%

-10.71%

+10.54%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.05%

2.03%

-1.98%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

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