Vanguard Mid-Cap Index Fund Institutional Shares (VMCIX)

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The chart shows the growth of an initial investment of $10,000 in Vanguard Mid-Cap Index Fund Institutional 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 Mid-Cap Index Fund Institutional Shares (VMCIX) has returned -2.79% so far this year and 10.31% over the past 12 months. Over the last ten years, VMCIX has returned 10.43% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.

Based on dividend-adjusted daily data since May 21, 1998, VMCIX's average daily return is +0.05%, while the average monthly return is +0.91%. At this rate, your investment would double in approximately 6.4 years.

Historically, 60% of months were positive and 40% were negative. The best month was Apr 2020 with a return of +14.4%, while the worst month was Oct 2008 at -22.0%. The longest winning streak lasted 9 consecutive months, and the longest losing streak was 5 months.

On a daily basis, VMCIX closed higher 53% of trading days. The best single day was Oct 13, 2008 with a return of +11.8%, while the worst single day was Mar 16, 2020 at -12.7%.

Vanguard Mid-Cap Index Fund Institutional Shares has an annualized alpha of 3.31%, beta of 1.02, and R² of 0.89 versus S&P 500 Index. Calculated based on daily prices since May 22, 1998.

• This fund captured 115.04% of S&P 500 Index gains but only 99.32% of its losses — a favorable profile for investors.
• This fund generated an annualized alpha of 3.31% versus S&P 500 Index — delivering returns beyond what market exposure alone would predict.
• With beta of 1.02 and R² of 0.89, this fund moves broadly in line with S&P 500 Index — much of its variation is explained by market exposure rather than independent behavior.

VMCIX has an expense ratio of 0.04%, which is considered low.

VMCIX ranks 25 for risk / return — below 25% 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.

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

Vanguard Mid-Cap Index Fund Institutional Shares provided a 1.54% dividend yield over the last twelve months, with an annual payout of $1.18 per share. The fund has been increasing its distributions for 4 consecutive years.

The table displays the monthly dividend distributions for Vanguard Mid-Cap Index Fund Institutional 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 Mid-Cap 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 Mid-Cap Index Fund Institutional Shares was 58.86%, occurring on Mar 9, 2009. Recovery took 485 trading sessions.

The current Vanguard Mid-Cap Index Fund Institutional Shares drawdown is 8.13%.

The chart below shows the rolling one-month volatility.