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Performance
Performance Chart
The chart shows the growth of an initial investment of $10,000 in Vanguard Extended Market 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.
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Returns By Period
Vanguard Extended Market Index Fund Institutional Shares (VIEIX) has returned -4.54% so far this year and 16.80% over the past 12 months. Over the last ten years, VIEIX has returned 10.56% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.
Vanguard Extended Market Index Fund Institutional Shares
- 1D
- -1.04%
- 1M
- -7.75%
- YTD
- -4.54%
- 6M
- -4.39%
- 1Y
- 16.80%
- 3Y*
- 13.79%
- 5Y*
- 3.66%
- 10Y*
- 10.56%
Benchmark (S&P 500 Index)
- 1D
- 2.91%
- 1M
- -5.09%
- YTD
- -4.63%
- 6M
- -2.39%
- 1Y
- 16.33%
- 3Y*
- 16.69%
- 5Y*
- 10.18%
- 10Y*
- 12.16%
Monthly Returns
Based on dividend-adjusted daily data since Jul 7, 1997, VIEIX's average daily return is +0.04%, while the average monthly return is +0.85%. At this rate, your investment would double in approximately 6.8 years.
Historically, 60% of months were positive and 40% were negative. The best month was Nov 2020 with a return of +18.3%, while the worst month was Oct 2008 at -21.5%. The longest winning streak lasted 8 consecutive months, and the longest losing streak was 5 months.
On a daily basis, VIEIX closed higher 54% of trading days. The best single day was Oct 13, 2008 with a return of +10.7%, while the worst single day was Mar 16, 2020 at -14.4%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2.39% | 1.07% | -7.75% | -4.54% | |||||||||
| 2025 | 4.98% | -5.78% | -7.93% | -0.76% | 7.22% | 5.41% | 2.54% | 4.08% | 2.04% | 1.16% | -0.48% | -0.52% | 11.42% |
| 2024 | -3.58% | 6.04% | 3.34% | -6.47% | 3.36% | -0.10% | 6.19% | 0.24% | 1.55% | 0.61% | 11.95% | -7.05% | 15.49% |
| 2023 | 10.81% | -1.64% | -2.89% | -2.17% | 0.47% | 8.32% | 5.90% | -4.05% | -4.88% | -6.25% | 11.20% | 11.81% | 26.97% |
| 2022 | -10.09% | -0.01% | 0.86% | -10.58% | -2.23% | -9.26% | 10.28% | -2.09% | -9.93% | 8.56% | 3.59% | -6.52% | -26.46% |
| 2021 | 2.87% | 5.20% | -0.40% | 4.22% | -0.66% | 3.46% | -1.22% | 2.01% | -4.00% | 5.43% | -5.01% | 0.56% | 12.46% |
Benchmark Metrics
Vanguard Extended Market Index Fund Institutional Shares has an annualized alpha of 1.60%, beta of 1.06, and R² of 0.82 versus S&P 500 Index. Calculated based on daily prices since July 08, 1997.
- This fund captured 121.86% of S&P 500 Index gains and 112.29% of its losses — amplifying both gains and losses, but participating more in upside than downside.
- With beta of 1.06 and R² of 0.82, this fund moves broadly in line with S&P 500 Index — much of its variation is explained by market exposure rather than independent behavior.
- Alpha
- 1.60%
- Beta
- 1.06
- R²
- 0.82
- Upside Capture
- 121.86%
- Downside Capture
- 112.29%
Expense Ratio
VIEIX has an expense ratio of 0.05%, which is considered low.
Return for Risk
Risk / Return Rank
VIEIX ranks 32 for risk / return — below 32% 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.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Vanguard Extended Market Index Fund Institutional Shares (VIEIX) and compare them to a chosen benchmark (S&P 500 Index).
| VIEIX | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.72 | 0.90 | -0.17 |
Sortino ratioReturn per unit of downside risk | 1.16 | 1.39 | -0.23 |
Omega ratioGain probability vs. loss probability | 1.16 | 1.21 | -0.05 |
Calmar ratioReturn relative to maximum drawdown | 0.95 | 1.40 | -0.45 |
Martin ratioReturn relative to average drawdown | 3.91 | 6.61 | -2.69 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Explore VIEIX risk-adjusted metrics in detail
Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.
Dividends
Dividend History
Vanguard Extended Market Index Fund Institutional Shares provided a 1.22% dividend yield over the last twelve months, with an annual payout of $1.84 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $1.84 | $1.81 | $1.59 | $1.59 | $1.17 | $1.58 | $1.35 | $1.25 | $1.27 | $1.07 | $1.05 | $0.87 |
Dividend yield | 1.22% | 1.14% | 1.10% | 1.26% | 1.16% | 1.14% | 1.08% | 1.31% | 1.67% | 1.27% | 1.45% | 1.37% |
Monthly Dividends
The table displays the monthly dividend distributions for Vanguard Extended Market Index Fund Institutional Shares. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.50 | $0.50 | |||||||||
| 2025 | $0.00 | $0.00 | $0.47 | $0.00 | $0.00 | $0.41 | $0.00 | $0.00 | $0.44 | $0.00 | $0.00 | $0.50 | $1.81 |
| 2024 | $0.00 | $0.00 | $0.35 | $0.00 | $0.00 | $0.42 | $0.00 | $0.00 | $0.37 | $0.00 | $0.00 | $0.44 | $1.59 |
| 2023 | $0.00 | $0.00 | $0.33 | $0.00 | $0.00 | $0.38 | $0.00 | $0.00 | $0.36 | $0.00 | $0.00 | $0.52 | $1.59 |
| 2022 | $0.00 | $0.00 | $0.12 | $0.00 | $0.00 | $0.19 | $0.00 | $0.00 | $0.35 | $0.00 | $0.00 | $0.52 | $1.17 |
| 2021 | $0.00 | $0.00 | $0.46 | $0.00 | $0.00 | $0.33 | $0.00 | $0.00 | $0.21 | $0.00 | $0.00 | $0.58 | $1.58 |
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 Extended Market 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 Extended Market Index Fund Institutional Shares was 58.03%, occurring on Mar 9, 2009. Recovery took 457 trading sessions.
The current Vanguard Extended Market Index Fund Institutional Shares drawdown is 10.25%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -58.03% | Oct 11, 2007 | 354 | Mar 9, 2009 | 457 | Dec 29, 2010 | 811 |
| -56.97% | Mar 10, 2000 | 648 | Oct 9, 2002 | 831 | Jan 27, 2006 | 1479 |
| -41.62% | Feb 21, 2020 | 19 | Mar 18, 2020 | 112 | Aug 26, 2020 | 131 |
| -36.32% | Nov 9, 2021 | 152 | Jun 16, 2022 | 601 | Nov 6, 2024 | 753 |
| -33.02% | Apr 22, 1998 | 119 | Oct 8, 1998 | 134 | Apr 22, 1999 | 253 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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