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Fidelity Flex Small Cap Index Fund (FLXSX)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Fund Info

ISIN
US31635V4894
CUSIP
31635V489
Issuer
Fidelity
Inception Date
Mar 9, 2017
Min. Investment
$0
Distribution Policy
Accumulating
Asset Class
Equity
Asset Class Size
Small-Cap
Asset Class Style
Blend

Share Price Chart


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Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in Fidelity Flex Small Cap Index Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.


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S&P 500 Index

Returns By Period

Fidelity Flex Small Cap Index Fund (FLXSX) has returned -3.13% so far this year and 19.83% over the past 12 months.


Fidelity Flex Small Cap Index Fund

1D
-1.59%
1M
-8.74%
YTD
-3.13%
6M
-1.03%
1Y
19.83%
3Y*
11.35%
5Y*
2.86%
10Y*

Benchmark (S&P 500 Index)

1D
2.91%
1M
-5.09%
YTD
-4.63%
6M
-2.39%
1Y
16.33%
3Y*
16.69%
5Y*
10.18%
10Y*
12.16%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

Based on dividend-adjusted daily data since Mar 9, 2017, FLXSX's average daily return is +0.04%, while the average monthly return is +0.82%. At this rate, your investment would double in approximately 7.1 years.

Historically, 62% of months were positive and 38% were negative. The best month was Nov 2020 with a return of +18.4%, while the worst month was Mar 2020 at -21.6%. The longest winning streak lasted 9 consecutive months, and the longest losing streak was 4 months.

On a daily basis, FLXSX closed higher 52% of trading days. The best single day was Mar 24, 2020 with a return of +9.5%, while the worst single day was Mar 16, 2020 at -14.3%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20265.59%0.53%-8.74%-3.13%
20252.63%-5.37%-6.77%-2.35%5.38%5.44%1.59%6.71%2.94%1.83%0.34%-0.00%12.02%
2024-3.93%5.67%3.60%-7.01%5.00%-0.92%10.12%-1.42%0.69%-1.43%10.97%-8.20%11.67%
20239.78%-1.67%-4.79%-1.78%-0.87%8.13%6.12%-5.00%-5.92%-6.76%9.00%12.28%17.11%
2022-9.57%1.04%1.23%-9.88%0.15%-8.17%10.45%-2.00%-9.58%11.01%2.33%-6.48%-20.29%
20215.10%6.19%1.07%2.11%0.18%1.94%-3.63%2.22%-2.96%4.30%-4.18%2.20%14.84%

Benchmark Metrics

Fidelity Flex Small Cap Index Fund has an annualized alpha of -3.56%, beta of 1.12, and R² of 0.75 versus S&P 500 Index. Calculated based on daily prices since March 10, 2017.

  • This fund participated in 116.22% of S&P 500 Index downside but only 102.10% of its upside — more exposed to losses than it benefited from rallies.
  • This fund had an annualized alpha of -3.56% versus S&P 500 Index — delivering less than market exposure alone would predict.
  • With beta of 1.12 and R² of 0.75, this fund moves broadly in line with S&P 500 Index — much of its variation is explained by market exposure rather than independent behavior.

Alpha
-3.56%
Beta
1.12
0.75
Upside Capture
102.10%
Downside Capture
116.22%

Expense Ratio

FLXSX has an expense ratio of 0.00%, meaning no management fees are charged.


Return for Risk

Risk / Return Rank

FLXSX ranks 37 for risk / return — below 37% of mutual funds on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.


FLXSX Risk / Return Rank: 3737
Overall Rank
FLXSX Sharpe Ratio Rank: 3636
Sharpe Ratio Rank
FLXSX Sortino Ratio Rank: 3939
Sortino Ratio Rank
FLXSX Omega Ratio Rank: 2929
Omega Ratio Rank
FLXSX Calmar Ratio Rank: 4343
Calmar Ratio Rank
FLXSX Martin Ratio Rank: 3737
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for Fidelity Flex Small Cap Index Fund (FLXSX) and compare them to a chosen benchmark (S&P 500 Index).


FLXSXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

0.82

0.90

-0.07

Sortino ratio

Return per unit of downside risk

1.28

1.39

-0.11

Omega ratio

Gain probability vs. loss probability

1.16

1.21

-0.05

Calmar ratio

Return relative to maximum drawdown

1.11

1.40

-0.28

Martin ratio

Return relative to average drawdown

4.00

6.61

-2.61

Explore FLXSX risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.

Dividends

Dividend History

Fidelity Flex Small Cap Index Fund provided a 0.00% dividend yield over the last twelve months, with an annual payout of $0.00 per share.


0.00%0.50%1.00%1.50%2.00%2.50%3.00%$0.00$0.10$0.20$0.30$0.40201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM202520242023202220212020201920182017
Dividend$0.00$0.00$0.22$0.22$0.16$0.44$0.15$0.35$0.23$0.09

Dividend yield

0.00%0.00%1.36%1.49%1.26%2.74%1.06%2.86%2.31%0.77%

Monthly Dividends

The table displays the monthly dividend distributions for Fidelity Flex Small Cap Index Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$0.00$0.00
2025$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00
2024$0.00$0.00$0.00$0.00$0.00$0.04$0.00$0.00$0.00$0.00$0.00$0.18$0.22
2023$0.00$0.00$0.00$0.00$0.00$0.04$0.00$0.00$0.00$0.00$0.00$0.17$0.22
2022$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.16$0.16
2021$0.00$0.00$0.00$0.00$0.00$0.02$0.00$0.00$0.00$0.00$0.00$0.42$0.44

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the Fidelity Flex Small Cap Index Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Fidelity Flex Small Cap Index Fund was 41.72%, occurring on Mar 18, 2020. Recovery took 164 trading sessions.

The current Fidelity Flex Small Cap Index Fund drawdown is 12.25%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-41.72%Jan 17, 202042Mar 18, 2020164Nov 9, 2020206
-31.88%Nov 9, 2021152Jun 16, 2022601Nov 6, 2024753
-27.48%Nov 26, 202490Apr 8, 2025112Sep 18, 2025202
-26.89%Sep 4, 201878Dec 24, 2018267Jan 16, 2020345
-12.25%Jan 23, 202646Mar 30, 2026

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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