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

Correlation

The correlation between FJACX and FSMDX 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.


-0.50.00.51.00.9

Performance

FJACX vs. FSMDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Series Small Cap Discovery Fund (FJACX) 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
-1.69%
8.41%
FJACX
FSMDX

Key characteristics

Sharpe Ratio

FJACX:

0.11

FSMDX:

1.64

Sortino Ratio

FJACX:

0.27

FSMDX:

2.25

Omega Ratio

FJACX:

1.04

FSMDX:

1.29

Calmar Ratio

FJACX:

0.07

FSMDX:

2.19

Martin Ratio

FJACX:

0.26

FSMDX:

7.14

Ulcer Index

FJACX:

7.94%

FSMDX:

3.06%

Daily Std Dev

FJACX:

19.13%

FSMDX:

13.34%

Max Drawdown

FJACX:

-48.98%

FSMDX:

-40.35%

Current Drawdown

FJACX:

-24.04%

FSMDX:

-4.80%

Returns By Period

In the year-to-date period, FJACX achieves a 4.69% return, which is significantly higher than FSMDX's 3.64% return. Over the past 10 years, FJACX has underperformed FSMDX with an annualized return of 2.36%, while FSMDX has yielded a comparatively higher 8.81% annualized return.


FJACX

YTD

4.69%

1M

5.07%

6M

-1.69%

1Y

-0.01%

5Y*

0.32%

10Y*

2.36%

FSMDX

YTD

3.64%

1M

2.64%

6M

8.41%

1Y

20.07%

5Y*

9.15%

10Y*

8.81%

*Annualized

Compare stocks, funds, or ETFs

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


FJACX vs. FSMDX - Expense Ratio Comparison

FJACX 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 FJACX: 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

FJACX vs. FSMDX — Risk-Adjusted Performance Rank

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

FJACX
The Risk-Adjusted Performance Rank of FJACX is 77
Overall Rank
The Sharpe Ratio Rank of FJACX is 77
Sharpe Ratio Rank
The Sortino Ratio Rank of FJACX is 77
Sortino Ratio Rank
The Omega Ratio Rank of FJACX is 77
Omega Ratio Rank
The Calmar Ratio Rank of FJACX is 77
Calmar Ratio Rank
The Martin Ratio Rank of FJACX is 66
Martin Ratio Rank

FSMDX
The Risk-Adjusted Performance Rank of FSMDX is 7676
Overall Rank
The Sharpe Ratio Rank of FSMDX is 7777
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.

FJACX vs. FSMDX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Series Small Cap Discovery Fund (FJACX) 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 FJACX, currently valued at 0.11, compared to the broader market-1.000.001.002.003.004.000.111.64
The chart of Sortino ratio for FJACX, currently valued at 0.27, compared to the broader market0.005.0010.000.272.25
The chart of Omega ratio for FJACX, currently valued at 1.04, compared to the broader market1.002.003.004.001.041.29
The chart of Calmar ratio for FJACX, currently valued at 0.07, compared to the broader market0.005.0010.0015.0020.000.072.19
The chart of Martin ratio for FJACX, currently valued at 0.26, compared to the broader market0.0020.0040.0060.0080.000.267.14
FJACX
FSMDX

The current FJACX Sharpe Ratio is 0.11, which is lower than the FSMDX Sharpe Ratio of 1.64. The chart below compares the historical Sharpe Ratios of FJACX 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 Ratio-0.500.000.501.001.502.002.503.00AugustSeptemberOctoberNovemberDecember2025
0.11
1.64
FJACX
FSMDX

Dividends

FJACX vs. FSMDX - Dividend Comparison

FJACX's dividend yield for the trailing twelve months is around 1.08%, less than FSMDX's 1.13% yield.


TTM20242023202220212020201920182017201620152014
FJACX
Fidelity Series Small Cap Discovery Fund
1.08%1.13%1.10%1.47%0.98%0.98%1.37%1.97%1.15%0.45%5.89%0.19%
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

FJACX vs. FSMDX - Drawdown Comparison

The maximum FJACX drawdown since its inception was -48.98%, which is greater than FSMDX's maximum drawdown of -40.35%. Use the drawdown chart below to compare losses from any high point for FJACX and FSMDX. For additional features, visit the drawdowns tool.


-30.00%-25.00%-20.00%-15.00%-10.00%-5.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-24.04%
-4.80%
FJACX
FSMDX

Volatility

FJACX vs. FSMDX - Volatility Comparison

Fidelity Series Small Cap Discovery Fund (FJACX) has a higher volatility of 5.41% compared to Fidelity Mid Cap Index Fund (FSMDX) at 5.14%. This indicates that FJACX's price experiences larger fluctuations and is considered to be riskier than FSMDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


3.00%4.00%5.00%6.00%7.00%8.00%AugustSeptemberOctoberNovemberDecember2025
5.41%
5.14%
FJACX
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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