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VIIIX vs. VEMPX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Performance

VIIIX vs. VEMPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) and Vanguard Extended Market Index Fund Institutional Plus Shares (VEMPX). The values are adjusted to include any dividend payments, if applicable.

300.00%350.00%400.00%450.00%JuneJulyAugustSeptemberOctoberNovember
456.58%
334.75%
VIIIX
VEMPX

Returns By Period

In the year-to-date period, VIIIX achieves a 24.19% return, which is significantly higher than VEMPX's 18.48% return. Over the past 10 years, VIIIX has outperformed VEMPX with an annualized return of 11.99%, while VEMPX has yielded a comparatively lower 9.82% annualized return.


VIIIX

YTD

24.19%

1M

0.58%

6M

11.40%

1Y

30.12%

5Y (annualized)

13.16%

10Y (annualized)

11.99%

VEMPX

YTD

18.48%

1M

2.93%

6M

11.96%

1Y

35.20%

5Y (annualized)

11.09%

10Y (annualized)

9.82%

Key characteristics


VIIIXVEMPX
Sharpe Ratio2.461.88
Sortino Ratio3.312.61
Omega Ratio1.451.32
Calmar Ratio3.591.31
Martin Ratio15.9010.61
Ulcer Index1.91%3.18%
Daily Std Dev12.31%17.96%
Max Drawdown-55.18%-41.62%
Current Drawdown-2.14%-4.10%

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VIIIX vs. VEMPX - Expense Ratio Comparison

VIIIX has a 0.02% expense ratio, which is lower than VEMPX's 0.04% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.


VEMPX
Vanguard Extended Market Index Fund Institutional Plus Shares
Expense ratio chart for VEMPX: current value at 0.04% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.04%
Expense ratio chart for VIIIX: current value at 0.02% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.02%

Correlation

-0.50.00.51.00.9

The correlation between VIIIX and VEMPX is 0.88, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Risk-Adjusted Performance

VIIIX vs. VEMPX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) and Vanguard Extended Market Index Fund Institutional Plus Shares (VEMPX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.


Sharpe ratio
The chart of Sharpe ratio for VIIIX, currently valued at 2.46, compared to the broader market0.002.004.002.461.88
The chart of Sortino ratio for VIIIX, currently valued at 3.31, compared to the broader market0.005.0010.003.312.61
The chart of Omega ratio for VIIIX, currently valued at 1.45, compared to the broader market1.002.003.004.001.451.32
The chart of Calmar ratio for VIIIX, currently valued at 3.59, compared to the broader market0.005.0010.0015.0020.0025.003.591.31
The chart of Martin ratio for VIIIX, currently valued at 15.90, compared to the broader market0.0020.0040.0060.0080.00100.0015.9010.61
VIIIX
VEMPX

The current VIIIX Sharpe Ratio is 2.46, which is higher than the VEMPX Sharpe Ratio of 1.88. The chart below compares the historical Sharpe Ratios of VIIIX and VEMPX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Rolling 12-month Sharpe Ratio0.001.002.003.004.00JuneJulyAugustSeptemberOctoberNovember
2.46
1.88
VIIIX
VEMPX

Dividends

VIIIX vs. VEMPX - Dividend Comparison

VIIIX's dividend yield for the trailing twelve months is around 1.28%, more than VEMPX's 1.14% yield.


TTM20232022202120202019201820172016201520142013
VIIIX
Vanguard Institutional Index Fund Institutional Plus Shares
1.28%1.49%1.75%1.30%1.60%1.93%2.14%1.84%2.09%2.47%1.90%1.87%
VEMPX
Vanguard Extended Market Index Fund Institutional Plus Shares
1.14%1.28%1.17%1.15%1.09%1.32%1.68%1.27%1.46%1.39%1.36%1.17%

Drawdowns

VIIIX vs. VEMPX - Drawdown Comparison

The maximum VIIIX drawdown since its inception was -55.18%, which is greater than VEMPX's maximum drawdown of -41.62%. Use the drawdown chart below to compare losses from any high point for VIIIX and VEMPX. For additional features, visit the drawdowns tool.


-15.00%-10.00%-5.00%0.00%JuneJulyAugustSeptemberOctoberNovember
-2.14%
-4.10%
VIIIX
VEMPX

Volatility

VIIIX vs. VEMPX - Volatility Comparison

The current volatility for Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) is 4.05%, while Vanguard Extended Market Index Fund Institutional Plus Shares (VEMPX) has a volatility of 6.31%. This indicates that VIIIX experiences smaller price fluctuations and is considered to be less risky than VEMPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


2.00%3.00%4.00%5.00%6.00%7.00%8.00%JuneJulyAugustSeptemberOctoberNovember
4.05%
6.31%
VIIIX
VEMPX