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FMDGX vs. VOO
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between FMDGX and VOO 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.


-0.50.00.51.00.9

Performance

FMDGX vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Mid Cap Growth Index Fund (FMDGX) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

-10.00%0.00%10.00%20.00%30.00%AugustSeptemberOctoberNovemberDecember2025
20.62%
10.78%
FMDGX
VOO

Key characteristics

Sharpe Ratio

FMDGX:

1.71

VOO:

1.96

Sortino Ratio

FMDGX:

2.31

VOO:

2.62

Omega Ratio

FMDGX:

1.30

VOO:

1.36

Calmar Ratio

FMDGX:

1.92

VOO:

2.99

Martin Ratio

FMDGX:

7.93

VOO:

12.55

Ulcer Index

FMDGX:

3.52%

VOO:

2.01%

Daily Std Dev

FMDGX:

16.39%

VOO:

12.90%

Max Drawdown

FMDGX:

-38.85%

VOO:

-33.99%

Current Drawdown

FMDGX:

-4.18%

VOO:

-1.69%

Returns By Period

In the year-to-date period, FMDGX achieves a 4.68% return, which is significantly higher than VOO's 2.31% return.


FMDGX

YTD

4.68%

1M

2.87%

6M

20.62%

1Y

27.41%

5Y*

10.48%

10Y*

N/A

VOO

YTD

2.31%

1M

0.76%

6M

10.79%

1Y

24.60%

5Y*

14.76%

10Y*

13.71%

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


FMDGX vs. VOO - Expense Ratio Comparison

FMDGX has a 0.05% expense ratio, which is higher than VOO's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.


FMDGX
Fidelity Mid Cap Growth Index Fund
Expense ratio chart for FMDGX: current value at 0.05% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.05%
Expense ratio chart for VOO: current value at 0.03% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.03%

Risk-Adjusted Performance

FMDGX vs. VOO — Risk-Adjusted Performance Rank

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

FMDGX
The Risk-Adjusted Performance Rank of FMDGX is 7979
Overall Rank
The Sharpe Ratio Rank of FMDGX is 8080
Sharpe Ratio Rank
The Sortino Ratio Rank of FMDGX is 8080
Sortino Ratio Rank
The Omega Ratio Rank of FMDGX is 7777
Omega Ratio Rank
The Calmar Ratio Rank of FMDGX is 8181
Calmar Ratio Rank
The Martin Ratio Rank of FMDGX is 7878
Martin Ratio Rank

VOO
The Risk-Adjusted Performance Rank of VOO is 8181
Overall Rank
The Sharpe Ratio Rank of VOO is 8282
Sharpe Ratio Rank
The Sortino Ratio Rank of VOO is 7878
Sortino Ratio Rank
The Omega Ratio Rank of VOO is 8080
Omega Ratio Rank
The Calmar Ratio Rank of VOO is 8181
Calmar Ratio Rank
The Martin Ratio Rank of VOO is 8484
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.

FMDGX vs. VOO - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Mid Cap Growth Index Fund (FMDGX) and Vanguard S&P 500 ETF (VOO). 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 FMDGX, currently valued at 1.71, compared to the broader market-1.000.001.002.003.004.001.711.96
The chart of Sortino ratio for FMDGX, currently valued at 2.31, compared to the broader market0.005.0010.002.312.62
The chart of Omega ratio for FMDGX, currently valued at 1.30, compared to the broader market1.002.003.004.001.301.36
The chart of Calmar ratio for FMDGX, currently valued at 1.92, compared to the broader market0.005.0010.0015.0020.001.922.99
The chart of Martin ratio for FMDGX, currently valued at 7.93, compared to the broader market0.0020.0040.0060.0080.007.9312.55
FMDGX
VOO

The current FMDGX Sharpe Ratio is 1.71, which is comparable to the VOO Sharpe Ratio of 1.96. The chart below compares the historical Sharpe Ratios of FMDGX and VOO, 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 Ratio0.001.002.003.004.00AugustSeptemberOctoberNovemberDecember2025
1.71
1.96
FMDGX
VOO

Dividends

FMDGX vs. VOO - Dividend Comparison

FMDGX's dividend yield for the trailing twelve months is around 0.44%, less than VOO's 1.22% yield.


TTM20242023202220212020201920182017201620152014
FMDGX
Fidelity Mid Cap Growth Index Fund
0.44%0.47%0.63%0.81%0.42%0.36%0.27%0.00%0.00%0.00%0.00%0.00%
VOO
Vanguard S&P 500 ETF
1.22%1.24%1.46%1.69%1.25%1.54%1.88%2.06%1.78%2.02%2.10%1.85%

Drawdowns

FMDGX vs. VOO - Drawdown Comparison

The maximum FMDGX drawdown since its inception was -38.85%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for FMDGX and VOO. For additional features, visit the drawdowns tool.


-15.00%-10.00%-5.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-4.18%
-1.69%
FMDGX
VOO

Volatility

FMDGX vs. VOO - Volatility Comparison

Fidelity Mid Cap Growth Index Fund (FMDGX) has a higher volatility of 5.17% compared to Vanguard S&P 500 ETF (VOO) at 4.22%. This indicates that FMDGX's price experiences larger fluctuations and is considered to be riskier than VOO 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%AugustSeptemberOctoberNovemberDecember2025
5.17%
4.22%
FMDGX
VOO
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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