Vanguard GNMA Fund Investor Shares (VFIIX)

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The chart shows the growth of an initial investment of $10,000 in Vanguard GNMA Fund Investor 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 GNMA Fund Investor Shares (VFIIX) has returned 0.07% so far this year and 4.76% over the past 12 months. Over the last ten years, VFIIX has returned 1.30% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.

Based on dividend-adjusted daily data since Jun 27, 1980, VFIIX's average daily return is +0.02%, while the average monthly return is +0.32%. At this rate, your investment would double in approximately 18.1 years.

Historically, 67% of months were positive and 33% were negative. The best month was Nov 1981 with a return of +9.6%, while the worst month was Jul 1980 at -8.3%. The longest winning streak lasted 18 consecutive months, and the longest losing streak was 6 months.

On a daily basis, VFIIX closed higher 42% of trading days. The best single day was Oct 15, 1982 with a return of +12.2%, while the worst single day was Oct 13, 1982 at -10.9%.

Vanguard GNMA Fund Investor Shares has an annualized alpha of 3.75%, beta of 0.02, and R² of 0.00 versus S&P 500 Index. Calculated based on daily prices since June 30, 1980.

• This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (12.88%) than losses (0.75%) — typical of diversified or defensive assets.
• Beta of 0.02 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.

VFIIX has an expense ratio of 0.21%, which is considered low.

VFIIX ranks 67 for risk / return — better than 67% of mutual funds on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.

The table below present risk-adjusted performance metrics for Vanguard GNMA Fund Investor Shares (VFIIX) and compare them to a chosen benchmark (S&P 500 Index).

Vanguard GNMA Fund Investor Shares provided a 3.36% dividend yield over the last twelve months, with an annual payout of $0.32 per share. The fund has been increasing its distributions for 4 consecutive years.

The table displays the monthly dividend distributions for Vanguard GNMA Fund Investor 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 GNMA 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 GNMA Fund Investor Shares was 25.80%, occurring on Sep 30, 1981. Recovery took 1063 trading sessions.

The current Vanguard GNMA Fund Investor Shares drawdown is 2.08%.

The chart below shows the rolling one-month volatility.