Vanguard Short-Term Bond Index Fund Admiral Shares (VBIRX)

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The chart shows the growth of an initial investment of $10,000 in Vanguard Short-Term Bond Index Fund Admiral Shares, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.

Vanguard Short-Term Bond Index Fund Admiral Shares (VBIRX) has returned -0.33% so far this year and 3.65% over the past 12 months. Over the last ten years, VBIRX has returned 1.89% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.

Based on dividend-adjusted daily data since Nov 12, 2001, VBIRX's average daily return is +0.01%, while the average monthly return is +0.22%. At this rate, your investment would double in approximately 26.3 years.

Historically, 65% of months were positive and 35% were negative. The best month was Nov 2008 with a return of +2.1%, while the worst month was Mar 2022 at -1.9%. The longest winning streak lasted 11 consecutive months, and the longest losing streak was 9 months.

On a daily basis, VBIRX closed higher 35% of trading days. The best single day was Nov 11, 2003 with a return of +4.1%, while the worst single day was Nov 12, 2003 at -3.8%.

Vanguard Short-Term Bond Index Fund Admiral Shares has an annualized alpha of 2.89%, beta of -0.03, and R² of 0.04 versus S&P 500 Index. Calculated based on daily prices since November 13, 2001.

• This fund captured 5.91% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -6.86%) — a profile typical of hedging or uncorrelated assets.
• Beta of -0.03 may look defensive, but with R² of 0.04 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 0.04 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.

VBIRX has an expense ratio of 0.07%, which is considered low.

VBIRX ranks 89 for risk / return — in the top 89% 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.

The table below present risk-adjusted performance metrics for Vanguard Short-Term Bond Index Fund Admiral Shares (VBIRX) and compare them to a chosen benchmark (S&P 500 Index).

Vanguard Short-Term Bond Index Fund Admiral Shares provided a 3.60% dividend yield over the last twelve months, with an annual payout of $0.37 per share. The fund has been increasing its distributions for 4 consecutive years.

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

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.

The table below displays the maximum drawdowns of the Vanguard Short-Term Bond Index Fund Admiral 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 Bond Index Fund Admiral Shares was 8.69%, occurring on Oct 20, 2022. Recovery took 445 trading sessions.

The current Vanguard Short-Term Bond Index Fund Admiral Shares drawdown is 1.25%.

The chart below shows the rolling one-month volatility.