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

Correlation

The correlation between VIIIX and FOKFX is 0.91, 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.


-0.50.00.51.0
Correlation: 0.9

Performance

VIIIX vs. FOKFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) and Fidelity OTC K6 Portfolio (FOKFX). The values are adjusted to include any dividend payments, if applicable.

60.00%80.00%100.00%120.00%140.00%160.00%180.00%NovemberDecember2025FebruaryMarchApril
83.48%
122.32%
VIIIX
FOKFX

Key characteristics

Sharpe Ratio

VIIIX:

0.43

FOKFX:

0.12

Sortino Ratio

VIIIX:

0.73

FOKFX:

0.34

Omega Ratio

VIIIX:

1.11

FOKFX:

1.05

Calmar Ratio

VIIIX:

0.44

FOKFX:

0.12

Martin Ratio

VIIIX:

1.84

FOKFX:

0.39

Ulcer Index

VIIIX:

4.54%

FOKFX:

7.84%

Daily Std Dev

VIIIX:

19.45%

FOKFX:

25.84%

Max Drawdown

VIIIX:

-55.18%

FOKFX:

-37.76%

Current Drawdown

VIIIX:

-12.45%

FOKFX:

-18.53%

Returns By Period

In the year-to-date period, VIIIX achieves a -8.39% return, which is significantly higher than FOKFX's -14.62% return.


VIIIX

YTD

-8.39%

1M

-6.87%

6M

-7.80%

1Y

6.13%

5Y*

13.32%

10Y*

10.49%

FOKFX

YTD

-14.62%

1M

-9.14%

6M

-11.47%

1Y

0.02%

5Y*

14.37%

10Y*

N/A

*Annualized

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VIIIX vs. FOKFX - Expense Ratio Comparison

VIIIX has a 0.02% expense ratio, which is lower than FOKFX's 0.50% expense ratio.


Expense ratio chart for FOKFX: current value is 0.50%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
FOKFX: 0.50%
Expense ratio chart for VIIIX: current value is 0.02%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
VIIIX: 0.02%

Risk-Adjusted Performance

VIIIX vs. FOKFX — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

VIIIX
The Risk-Adjusted Performance Rank of VIIIX is 6161
Overall Rank
The Sharpe Ratio Rank of VIIIX is 5858
Sharpe Ratio Rank
The Sortino Ratio Rank of VIIIX is 5959
Sortino Ratio Rank
The Omega Ratio Rank of VIIIX is 6161
Omega Ratio Rank
The Calmar Ratio Rank of VIIIX is 6767
Calmar Ratio Rank
The Martin Ratio Rank of VIIIX is 6161
Martin Ratio Rank

FOKFX
The Risk-Adjusted Performance Rank of FOKFX is 3838
Overall Rank
The Sharpe Ratio Rank of FOKFX is 3737
Sharpe Ratio Rank
The Sortino Ratio Rank of FOKFX is 4040
Sortino Ratio Rank
The Omega Ratio Rank of FOKFX is 3939
Omega Ratio Rank
The Calmar Ratio Rank of FOKFX is 4040
Calmar Ratio Rank
The Martin Ratio Rank of FOKFX is 3636
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

VIIIX vs. FOKFX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) and Fidelity OTC K6 Portfolio (FOKFX). 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.


The chart of Sharpe ratio for VIIIX, currently valued at 0.43, compared to the broader market-1.000.001.002.003.00
VIIIX: 0.43
FOKFX: 0.12
The chart of Sortino ratio for VIIIX, currently valued at 0.73, compared to the broader market-2.000.002.004.006.008.00
VIIIX: 0.73
FOKFX: 0.34
The chart of Omega ratio for VIIIX, currently valued at 1.11, compared to the broader market0.501.001.502.002.503.00
VIIIX: 1.11
FOKFX: 1.05
The chart of Calmar ratio for VIIIX, currently valued at 0.44, compared to the broader market0.002.004.006.008.0010.00
VIIIX: 0.44
FOKFX: 0.12
The chart of Martin ratio for VIIIX, currently valued at 1.84, compared to the broader market0.0010.0020.0030.0040.0050.00
VIIIX: 1.84
FOKFX: 0.39

The current VIIIX Sharpe Ratio is 0.43, which is higher than the FOKFX Sharpe Ratio of 0.12. The chart below compares the historical Sharpe Ratios of VIIIX and FOKFX, 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 Ratio0.001.002.003.00NovemberDecember2025FebruaryMarchApril
0.43
0.12
VIIIX
FOKFX

Dividends

VIIIX vs. FOKFX - Dividend Comparison

VIIIX's dividend yield for the trailing twelve months is around 1.45%, more than FOKFX's 0.23% yield.


TTM20242023202220212020201920182017201620152014
VIIIX
Vanguard Institutional Index Fund Institutional Plus Shares
1.45%1.28%1.49%1.75%1.30%1.60%1.93%2.14%1.84%2.09%2.47%1.90%
FOKFX
Fidelity OTC K6 Portfolio
0.23%0.20%0.24%0.08%0.00%0.07%0.11%0.00%0.00%0.00%0.00%0.00%

Drawdowns

VIIIX vs. FOKFX - Drawdown Comparison

The maximum VIIIX drawdown since its inception was -55.18%, which is greater than FOKFX's maximum drawdown of -37.76%. Use the drawdown chart below to compare losses from any high point for VIIIX and FOKFX. For additional features, visit the drawdowns tool.


-25.00%-20.00%-15.00%-10.00%-5.00%0.00%NovemberDecember2025FebruaryMarchApril
-12.45%
-18.53%
VIIIX
FOKFX

Volatility

VIIIX vs. FOKFX - Volatility Comparison

The current volatility for Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) is 14.02%, while Fidelity OTC K6 Portfolio (FOKFX) has a volatility of 16.28%. This indicates that VIIIX experiences smaller price fluctuations and is considered to be less risky than FOKFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


0.00%5.00%10.00%15.00%NovemberDecember2025FebruaryMarchApril
14.02%
16.28%
VIIIX
FOKFX