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VIIIX
Performance
Return for Risk
Dividends
Drawdowns
Volatility
Diversification

Asset Allocation


VIIIX 100.00%EquityEquity

S&P 500 Index

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Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in VIIIX, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends. The portfolio is rebalanced Every 3 months.


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Returns By Period

As of Jun 5, 2026, the VIIIX returned 11.35% Year-To-Date and 15.64% of annualized return in the last 10 years.


Position1D1MYTD6M1Y3Y*5Y*10Y*
Benchmark
S&P 500 Index
-2.64%0.25%7.86%7.47%
Portfolio
VIIIX
0.42%3.11%11.35%11.03%29.24%23.12%14.15%15.64%
VIIIX
Vanguard Institutional Index Fund Institutional Plus Shares
0.42%3.11%11.35%11.03%29.24%23.12%14.15%15.64%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

Based on dividend-adjusted daily data since Jul 8, 1997, VIIIX's average daily return is +0.04%, while the average monthly return is +0.86%. At this rate, an investment would double in approximately 6.7 years.

Historically, 65% of months were positive and 35% were negative. The best month was Apr 2020 with a return of +12.8%, while the worst month was Oct 2008 at -16.8%. The longest winning streak lasted 15 consecutive months, and the longest losing streak was 5 months.

On a daily basis, VIIIX closed higher 54% of trading days. The best single day was Oct 13, 2008 with a return of +11.6%, while the worst single day was Mar 16, 2020 at -12.0%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20261.45%-0.76%-4.99%10.49%5.26%0.09%11.35%
20252.78%-1.31%-5.63%-0.68%6.29%5.09%2.24%2.03%3.65%2.34%0.24%0.06%17.87%
20241.68%5.34%3.21%-4.08%4.96%3.59%1.22%2.42%2.13%-0.91%5.87%-1.37%26.29%
20236.28%-2.44%3.27%1.56%0.43%6.60%3.21%-1.59%-4.77%-2.10%9.13%4.54%25.79%
2022-5.18%-3.00%3.73%-8.72%0.18%-8.26%9.22%-4.08%-9.21%8.10%5.59%-5.78%-18.14%
2021-1.01%2.76%4.37%5.33%0.69%2.33%2.37%3.04%-4.65%7.00%-0.70%4.48%28.69%

Benchmark Metrics

VIIIX has an annualized alpha of 1.23%, beta of 1.00, and R2 of 1.00 versus S&P 500 Index. Calculated based on daily prices since July 08, 1997.

  • This portfolio captured 103.43% of S&P 500 Index gains but only 95.13% of its losses - a favorable profile for investors.
  • With beta of 1.00 and R2 of 1.00, this portfolio moves broadly in line with S&P 500 Index - much of its variation is explained by market exposure rather than independent behavior.

Alpha
1.23%
Beta
1.00
1.00
Upside Capture
103.43%
Downside Capture
95.13%

Expense Ratio

VIIIX has an expense ratio of 0.02%, which is considered low. Below, you can find the expense ratios of the portfolio's funds side by side and easily compare their relative costs.


Return for Risk

Risk / Return Rank

VIIIX ranks 52 for risk / return — on par with similar Portfolios. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.


VIIIX Risk / Return Rank: 5252
Overall Rank
VIIIX Sharpe Ratio Rank: 5050
Sharpe Ratio Rank
VIIIX Sortino Ratio Rank: 4747
Sortino Ratio Rank
VIIIX Omega Ratio Rank: 5050
Omega Ratio Rank
VIIIX Calmar Ratio Rank: 4949
Calmar Ratio Rank
VIIIX Martin Ratio Rank: 6363
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 presents risk-adjusted performance metrics for VIIIX and compares them with S&P 500 Index.


PortfolioBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

2.42

Sortino ratioReturn per unit of downside risk

3.29

Omega ratioGain probability vs. loss probability

1.44

Calmar ratioReturn relative to maximum drawdown

3.23

Martin ratioReturn relative to average drawdown

15.07


How much return does each position deliver for the risk it carries? Higher values mean better reward for the risk taken.

PositionRisk / Return RankSharpe ratioSortino ratioOmega ratioCalmar ratioMartin ratio
VIIIX
Vanguard Institutional Index Fund Institutional Plus Shares
732.423.291.443.2315.07

Sharpe Ratio

The Sharpe ratio helps investors understand how much return they're getting for the level of risk taken. A higher Sharpe ratio indicates better risk-adjusted performance, meaning more reward for each unit of risk.

VIIIX Sharpe ratios as of Jun 5, 2026 (values are recalculated daily):

  • 1-Year: 2.42
  • 5-Year: 0.84
  • 10-Year: 0.87
  • All Time: 0.49

These values reflect how efficiently the investment has delivered returns relative to its volatility over different time periods. All figures are annualized and based on daily total returns (including price changes and dividends).

Compared to the broad market, where average Sharpe ratios range from 1.84 to 2.81, this portfolio's current Sharpe ratio falls between the 25th and 75th percentiles. This indicates that its risk-adjusted performance is in line with the majority of portfolios, suggesting a balanced approach to risk and return—likely suitable for a wide range of investors.

The chart below shows the rolling Sharpe ratio of VIIIX compared to the selected benchmark. This view highlights how the investment's risk-adjusted performance has changed over time.


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Dividends

Dividend yield

VIIIX provided a 2.42% dividend yield over the last twelve months.


PositionTTM20252024202320222021202020192018201720162015
Portfolio2.42%2.11%3.66%2.66%3.39%4.79%3.07%2.86%2.45%1.84%2.38%2.47%
VIIIX
Vanguard Institutional Index Fund Institutional Plus Shares
2.42%2.11%3.66%2.66%3.39%4.79%3.07%2.86%2.45%1.84%2.38%2.47%

Monthly Dividends

The table below shows the monthly dividends paid by this portfolio.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$5.50$0.00$0.00$0.00$5.50
2025$0.00$0.00$2.45$0.00$0.00$1.55$0.00$0.00$1.54$0.00$0.00$6.11$11.65
2024$0.00$0.00$2.62$0.00$0.00$1.62$0.00$0.00$1.50$0.00$0.00$11.78$17.52
2023$0.00$0.00$1.39$0.00$0.00$1.46$0.00$0.00$1.36$0.00$0.00$6.26$10.47
2022$0.00$0.00$3.34$0.00$0.00$1.34$0.00$0.00$1.42$0.00$0.00$4.82$10.91
2021$0.00$0.00$4.85$0.00$0.00$1.24$0.00$0.00$1.28$0.00$0.00$12.05$19.42

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 VIIIX. 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 VIIIX was 55.18%, occurring on Mar 9, 2009. Recovery took 769 trading sessions.

The current VIIIX drawdown is 0.74%.


Related event

Drawdown

Fall

Recovery

Underwater

Financial crisis2007–2009
-55.18%Mar 2009
1y 5mo3y 18d
4y 5moOct 2007 - Mar 2012
Dot-com crash2000–2002
-47.35%Oct 2002
2y 1mo4y 15d
6y 1moSep 2000 - Oct 2006
COVID crash2020
-33.79%Mar 2020
1mo 2d4mo 20d
5mo 22dFeb 2020 - Aug 2020
Bear market2022
-24.50%Oct 2022
9mo 11d1y 2mo
1y 11moJan 2022 - Dec 2023
Rate-hike selloffLate 2018
-19.37%Dec 2018
3mo 4d3mo 19d
6mo 23dSep 2018 - Apr 2019

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Diversification

Diversification Metrics


Number of Effective Assets

The portfolio contains 1 assets, with an effective number of assets of 1.00, reflecting the diversification based on asset allocation. Your capital is spread almost evenly across your holdings, indicating a well-balanced allocation. Note that true diversification also depends on the correlations between assets — check the diversification ratio below.


Diversification Ratio
1Y
3Y
5Y
10Y
All Time
Diversification Ratio

1.00

1.00

1.00

1.00

1.00

The portfolio has a diversification ratio of 1.00, placing it in the bottom quartile across portfolios — positions are highly correlated. Consider adding assets from different classes or sectors to reduce risk.

VIIIX correlation to the S&P 500 Index

VIIIX has a 1.00 correlation to S&P 500 Index over the trailing 12 months. This section compares each holding's correlation to the benchmark and to the portfolio.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

1.00

Correlation (3Y)
Calculated over the trailing 3-year period

1.00

Correlation (5Y)
Calculated over the trailing 5-year period

1.00

Correlation (10Y)
Calculated over the trailing 10-year period

1.00

Correlation (All Time)
Calculated using the full available price history since Jul 8, 1997

1.00


Benchmark Correlations

Correlation vs. S&P 500 Index

VIIIX
1.00

Portfolio Correlations

Correlation vs. VIIIX

VIIIX
1.00
Diversification Analysis

Find what VIIIX is missing

See which holdings overlap, where VIIIX is concentrated, and which low-correlation assets could fill the gaps.

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