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

Correlation

The correlation between FLAPX and FLXSX is 0.81, 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: 0.8

Performance

FLAPX vs. FLXSX - Performance Comparison

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

40.00%60.00%80.00%100.00%120.00%NovemberDecember2025FebruaryMarchApril
94.00%
51.96%
FLAPX
FLXSX

Key characteristics

Sharpe Ratio

FLAPX:

0.27

FLXSX:

-0.03

Sortino Ratio

FLAPX:

0.52

FLXSX:

0.13

Omega Ratio

FLAPX:

1.07

FLXSX:

1.02

Calmar Ratio

FLAPX:

0.25

FLXSX:

-0.03

Martin Ratio

FLAPX:

0.94

FLXSX:

-0.09

Ulcer Index

FLAPX:

5.65%

FLXSX:

8.60%

Daily Std Dev

FLAPX:

19.41%

FLXSX:

24.34%

Max Drawdown

FLAPX:

-40.31%

FLXSX:

-43.21%

Current Drawdown

FLAPX:

-12.02%

FLXSX:

-19.35%

Returns By Period

In the year-to-date period, FLAPX achieves a -5.27% return, which is significantly higher than FLXSX's -11.89% return.


FLAPX

YTD

-5.27%

1M

-3.79%

6M

-4.87%

1Y

5.44%

5Y*

12.98%

10Y*

N/A

FLXSX

YTD

-11.89%

1M

-5.50%

6M

-10.70%

1Y

0.26%

5Y*

10.92%

10Y*

N/A

*Annualized

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FLAPX vs. FLXSX - Expense Ratio Comparison

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


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

Risk-Adjusted Performance

FLAPX vs. FLXSX — 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 3939
Overall Rank
The Sharpe Ratio Rank of FLAPX is 3838
Sharpe Ratio Rank
The Sortino Ratio Rank of FLAPX is 4040
Sortino Ratio Rank
The Omega Ratio Rank of FLAPX is 3838
Omega Ratio Rank
The Calmar Ratio Rank of FLAPX is 4242
Calmar Ratio Rank
The Martin Ratio Rank of FLAPX is 3939
Martin Ratio Rank

FLXSX
The Risk-Adjusted Performance Rank of FLXSX is 2020
Overall Rank
The Sharpe Ratio Rank of FLXSX is 2020
Sharpe Ratio Rank
The Sortino Ratio Rank of FLXSX is 2222
Sortino Ratio Rank
The Omega Ratio Rank of FLXSX is 2121
Omega Ratio Rank
The Calmar Ratio Rank of FLXSX is 1919
Calmar Ratio Rank
The Martin Ratio Rank of FLXSX is 1919
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. FLXSX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Flex Mid Cap Index Fund (FLAPX) and Fidelity Flex Small Cap Index Fund (FLXSX). 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 FLAPX, currently valued at 0.27, compared to the broader market-1.000.001.002.003.00
FLAPX: 0.27
FLXSX: -0.03
The chart of Sortino ratio for FLAPX, currently valued at 0.52, compared to the broader market-2.000.002.004.006.008.00
FLAPX: 0.52
FLXSX: 0.13
The chart of Omega ratio for FLAPX, currently valued at 1.07, compared to the broader market0.501.001.502.002.503.00
FLAPX: 1.07
FLXSX: 1.02
The chart of Calmar ratio for FLAPX, currently valued at 0.25, compared to the broader market0.002.004.006.008.0010.00
FLAPX: 0.25
FLXSX: -0.03
The chart of Martin ratio for FLAPX, currently valued at 0.94, compared to the broader market0.0010.0020.0030.0040.0050.00
FLAPX: 0.94
FLXSX: -0.09

The current FLAPX Sharpe Ratio is 0.27, which is higher than the FLXSX Sharpe Ratio of -0.03. The chart below compares the historical Sharpe Ratios of FLAPX and FLXSX, 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-1.000.001.002.003.00NovemberDecember2025FebruaryMarchApril
0.27
-0.03
FLAPX
FLXSX

Dividends

FLAPX vs. FLXSX - Dividend Comparison

FLAPX's dividend yield for the trailing twelve months is around 1.14%, less than FLXSX's 1.55% yield.


TTM20242023202220212020201920182017
FLAPX
Fidelity Flex Mid Cap Index Fund
1.14%1.08%1.48%1.63%1.06%1.34%1.39%1.84%0.38%
FLXSX
Fidelity Flex Small Cap Index Fund
1.55%1.36%1.49%1.26%1.10%1.06%1.31%1.16%0.54%

Drawdowns

FLAPX vs. FLXSX - Drawdown Comparison

The maximum FLAPX drawdown since its inception was -40.31%, smaller than the maximum FLXSX drawdown of -43.21%. Use the drawdown chart below to compare losses from any high point for FLAPX and FLXSX. For additional features, visit the drawdowns tool.


-25.00%-20.00%-15.00%-10.00%-5.00%0.00%NovemberDecember2025FebruaryMarchApril
-12.02%
-19.35%
FLAPX
FLXSX

Volatility

FLAPX vs. FLXSX - Volatility Comparison

Fidelity Flex Mid Cap Index Fund (FLAPX) and Fidelity Flex Small Cap Index Fund (FLXSX) have volatilities of 13.87% and 14.24%, 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.


2.00%4.00%6.00%8.00%10.00%12.00%14.00%NovemberDecember2025FebruaryMarchApril
13.87%
14.24%
FLAPX
FLXSX