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ISIN
US31617K2042
CUSIP
31617K204
Issuer
Fidelity
Inception Date
Dec 31, 1984
Min. Investment
$0
Distribution Policy
Distributing
Asset Class
Bond

Share Price Chart


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Performance

FMSFX Performance Chart

Fidelity Mortgage Securities Fund (FMSFX) is up 0.9% since the beginning of the year. FMSFX is currently trading at $10 per share. Investors who bought $1,000 worth of FMSFX shares 5 years ago would now be looking at an investment worth $1,010.


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S&P 500 Index

Returns By Period

Fidelity Mortgage Securities Fund (FMSFX) has returned 0.87% so far this year and 6.23% over the past 12 months. Over the last ten years, FMSFX has returned 1.29% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.


Fidelity Mortgage Securities Fund

1D
0.20%
1M
0.83%
YTD
0.87%
6M
1.17%
1Y
6.23%
3Y*
4.32%
5Y*
0.20%
10Y*
1.29%

Benchmark (S&P 500 Index)

1D
-0.37%
1M
-0.01%
YTD
9.16%
6M
8.64%
1Y
25.22%
3Y*
19.78%
5Y*
11.99%
10Y*
13.88%
*Multi-year figures are annualized to reflect compound growth (CAGR)

FMSFX Monthly Returns History

Based on dividend-adjusted daily data since Dec 31, 1984, FMSFX's average daily return is +0.02%, while the average monthly return is +0.35%. At this rate, an investment would double in approximately 16.5 years.

Historically, 68% of months were positive and 32% were negative. The best month was Nov 2023 with a return of +5.6%, while the worst month was Sep 2022 at -5.4%. The longest winning streak lasted 19 consecutive months, and the longest losing streak was 9 months.

On a daily basis, FMSFX closed higher 41% of trading days. The best single day was Oct 20, 1987 with a return of +3.1%, while the worst single day was Sep 26, 2022 at -2.1%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.49%1.60%-1.55%0.32%0.22%-0.20%0.87%
20250.61%2.50%0.04%0.14%-0.87%1.70%-0.37%1.57%1.25%0.84%0.63%0.00%8.29%
2024-0.24%-1.84%1.02%-3.09%2.03%1.37%2.51%1.63%1.22%-2.95%1.35%-1.79%1.00%
20233.23%-2.71%2.00%0.66%-1.02%-0.43%-0.03%-0.95%-3.25%-2.29%5.58%4.45%4.91%
2022-1.52%-0.99%-2.80%-3.53%1.26%-1.91%3.11%-3.42%-5.38%-1.56%4.22%-0.47%-12.61%
20210.00%-0.60%-0.56%0.56%-0.35%0.09%0.61%-0.09%-0.34%-0.35%-0.12%-0.04%-1.20%

Benchmark Metrics

Fidelity Mortgage Securities Fund has an annualized alpha of 4.10%, beta of 0.01, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since December 31, 1984.

  • This fund captured 12.90% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -1.65%) - a profile typical of hedging or uncorrelated assets.
  • Beta of 0.01 may look defensive, but with R2 of 0.00 this fund is largely uncorrelated with S&P 500 Index - low beta reflects independence, not downside protection. See the Volatility section for a true picture of this fund's risk.
  • R2 of 0.00 means this fund moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

Alpha
4.10%
Beta
0.01
0.00
Upside Capture
12.90%
Downside Capture
-1.65%

Expense Ratio

FMSFX has an expense ratio of 0.45%, placing it in the medium range.


Return for Risk

Risk / Return Rank

FMSFX ranks 36 for risk / return — below 36% 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.


FMSFX Risk / Return Rank: 3636
Overall Rank
FMSFX Sharpe Ratio Rank: 3535
Sharpe Ratio Rank
FMSFX Sortino Ratio Rank: 3838
Sortino Ratio Rank
FMSFX Omega Ratio Rank: 3535
Omega Ratio Rank
FMSFX Calmar Ratio Rank: 3838
Calmar Ratio Rank
FMSFX Martin Ratio Rank: 3333
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 Mortgage Securities Fund (FMSFX) and compare them to S&P 500 Index.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.


FMSFXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-0.44

Sortino ratioReturn per unit of downside risk

-0.36

Omega ratioGain probability vs. loss probability

1.29

1.37

-0.08

Calmar ratioReturn relative to maximum drawdown

2.22

2.78

-0.56

Martin ratioReturn relative to average drawdown

6.98

12.44

-5.46

Dividends

Dividend History

Fidelity Mortgage Securities Fund provided a 3.91% dividend yield over the last twelve months, with an annual payout of $0.39 per share.


1.00%2.00%3.00%4.00%$0.00$0.10$0.20$0.30$0.4020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$0.39$0.39$0.40$0.35$0.14$0.07$0.28$0.30$0.28$0.29$0.30$0.23

Dividend yield

3.91%3.93%4.12%3.50%1.43%0.62%2.40%2.62%2.57%2.60%2.65%2.05%

Monthly Dividends

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


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.03$0.03$0.03$0.03$0.03$0.00$0.16
2025$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.39
2024$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.06$0.40
2023$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.06$0.35
2022$0.02$0.01$0.01$0.01$0.01$0.00$0.00$0.02$0.00$0.02$0.02$0.02$0.14
2021$0.00$0.00$0.01$0.00$0.00$0.00$0.00$0.00$0.00$0.04$0.01$0.02$0.07

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 Mortgage Securities 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 Mortgage Securities Fund was 18.81%, occurring on Oct 19, 2023. Recovery took 580 trading sessions.

The current Fidelity Mortgage Securities Fund drawdown is 1.21%.


Related event

Drawdown

Fall

Recovery

Underwater

2023 correction2023
-18.81%Oct 2023
2y 8mo2y 3mo
5y 3dFeb 2021 - Feb 2026
Black Monday1987
-12.23%Oct 1987
1y 6mo2y 8mo
4y 2moApr 1986 - Jul 1990
2013 pullback2013
-4.58%Jul 2013
2mo 4d9mo 10d
11mo 14dMay 2013 - Apr 2014
Financial crisis2007–2009
-4.16%Jun 2008
1y 1mo2mo 24d
1y 4moMay 2007 - Sep 2008
COVID crash2020
-3.89%Mar 2020
10d12d
22dMar 2020 - Mar 2020

Drawdown Indicators


FMSFXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-18.81%

-56.78%

+37.97%

Max Drawdown (1Y)

Largest decline over 1 year

-2.81%

-9.10%

+6.29%

Max Drawdown (3Y)

Largest decline over 3 years

-8.04%

-18.90%

+10.86%

Max Drawdown (5Y)

Largest decline over 5 years

-18.66%

-25.43%

+6.77%

Max Drawdown (10Y)

Largest decline over 10 years

-18.81%

-33.92%

+15.11%

Current Drawdown

Current decline from peak

-1.21%

-1.80%

+0.59%

Average Drawdown

Average peak-to-trough decline

-1.92%

-10.71%

+8.79%

Ulcer Index

Depth and duration of drawdowns from previous peaks

0.89%

2.03%

-1.14%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

Build a portfolio with FMSFX

Add Fidelity Mortgage Securities Fund to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

Open Portfolio Analyzer with FMSFX