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FLAPX vs. FSMDX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between FLAPX and FSMDX is 1.00, 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.


-0.50.00.51.01.0

Performance

FLAPX vs. FSMDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Flex Mid Cap Index Fund (FLAPX) and Fidelity Mid Cap Index Fund (FSMDX). The values are adjusted to include any dividend payments, if applicable.

-5.00%0.00%5.00%10.00%AugustSeptemberOctoberNovemberDecember2025
9.64%
8.41%
FLAPX
FSMDX

Key characteristics

Sharpe Ratio

FLAPX:

1.74

FSMDX:

1.64

Sortino Ratio

FLAPX:

2.38

FSMDX:

2.25

Omega Ratio

FLAPX:

1.30

FSMDX:

1.29

Calmar Ratio

FLAPX:

2.43

FSMDX:

2.19

Martin Ratio

FLAPX:

8.02

FSMDX:

7.14

Ulcer Index

FLAPX:

2.90%

FSMDX:

3.06%

Daily Std Dev

FLAPX:

13.40%

FSMDX:

13.34%

Max Drawdown

FLAPX:

-40.31%

FSMDX:

-40.35%

Current Drawdown

FLAPX:

-3.70%

FSMDX:

-4.80%

Returns By Period

The year-to-date returns for both stocks are quite close, with FLAPX having a 3.68% return and FSMDX slightly lower at 3.64%.


FLAPX

YTD

3.68%

1M

4.23%

6M

10.76%

1Y

21.46%

5Y*

9.45%

10Y*

N/A

FSMDX

YTD

3.64%

1M

3.07%

6M

9.51%

1Y

20.07%

5Y*

9.06%

10Y*

8.92%

*Annualized

Compare stocks, funds, or ETFs

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


FLAPX vs. FSMDX - Expense Ratio Comparison

FLAPX has a 0.00% expense ratio, which is lower than FSMDX's 0.03% 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%.


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

Risk-Adjusted Performance

FLAPX vs. FSMDX — Risk-Adjusted Performance Rank

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

FLAPX
The Risk-Adjusted Performance Rank of FLAPX is 8080
Overall Rank
The Sharpe Ratio Rank of FLAPX is 8181
Sharpe Ratio Rank
The Sortino Ratio Rank of FLAPX is 8080
Sortino Ratio Rank
The Omega Ratio Rank of FLAPX is 7676
Omega Ratio Rank
The Calmar Ratio Rank of FLAPX is 8686
Calmar Ratio Rank
The Martin Ratio Rank of FLAPX is 7676
Martin Ratio Rank

FSMDX
The Risk-Adjusted Performance Rank of FSMDX is 7676
Overall Rank
The Sharpe Ratio Rank of FSMDX is 7878
Sharpe Ratio Rank
The Sortino Ratio Rank of FSMDX is 7777
Sortino Ratio Rank
The Omega Ratio Rank of FSMDX is 7373
Omega Ratio Rank
The Calmar Ratio Rank of FSMDX is 8484
Calmar Ratio Rank
The Martin Ratio Rank of FSMDX is 7171
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.

FLAPX vs. FSMDX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Flex Mid Cap Index Fund (FLAPX) and Fidelity Mid Cap Index Fund (FSMDX). 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 FLAPX, currently valued at 1.74, compared to the broader market-1.000.001.002.003.004.001.741.64
The chart of Sortino ratio for FLAPX, currently valued at 2.38, compared to the broader market0.005.0010.002.382.25
The chart of Omega ratio for FLAPX, currently valued at 1.30, compared to the broader market1.002.003.004.001.301.29
The chart of Calmar ratio for FLAPX, currently valued at 2.43, compared to the broader market0.005.0010.0015.0020.002.432.19
The chart of Martin ratio for FLAPX, currently valued at 8.02, compared to the broader market0.0020.0040.0060.0080.008.027.14
FLAPX
FSMDX

The current FLAPX Sharpe Ratio is 1.74, which is comparable to the FSMDX Sharpe Ratio of 1.64. The chart below compares the historical Sharpe Ratios of FLAPX and FSMDX, 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 Ratio1.001.502.002.503.00AugustSeptemberOctoberNovemberDecember2025
1.74
1.64
FLAPX
FSMDX

Dividends

FLAPX vs. FSMDX - Dividend Comparison

FLAPX's dividend yield for the trailing twelve months is around 1.04%, less than FSMDX's 1.13% yield.


TTM20242023202220212020201920182017201620152014
FLAPX
Fidelity Flex Mid Cap Index Fund
1.04%1.08%1.48%1.63%1.06%1.34%1.39%1.84%0.38%0.00%0.00%0.00%
FSMDX
Fidelity Mid Cap Index Fund
1.13%1.17%1.39%1.59%1.10%1.37%1.42%1.85%1.32%1.35%2.29%3.82%

Drawdowns

FLAPX vs. FSMDX - Drawdown Comparison

The maximum FLAPX drawdown since its inception was -40.31%, roughly equal to the maximum FSMDX drawdown of -40.35%. Use the drawdown chart below to compare losses from any high point for FLAPX and FSMDX. For additional features, visit the drawdowns tool.


-8.00%-6.00%-4.00%-2.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-3.70%
-4.80%
FLAPX
FSMDX

Volatility

FLAPX vs. FSMDX - Volatility Comparison

Fidelity Flex Mid Cap Index Fund (FLAPX) and Fidelity Mid Cap Index Fund (FSMDX) have volatilities of 5.36% and 5.14%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.


3.00%4.00%5.00%6.00%AugustSeptemberOctoberNovemberDecember2025
5.36%
5.14%
FLAPX
FSMDX
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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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