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Fidelity Short-Term Bond Index Fund (FNSOX)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Fund Info

ISIN
US31635V2732
CUSIP
31635V273
Issuer
Fidelity
Inception Date
Oct 18, 2017
Min. Investment
$0
Distribution Policy
Distributing
Asset Class
Bond

Share Price Chart


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Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in Fidelity Short-Term Bond 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 Short-Term Bond Index Fund (FNSOX) has returned -0.22% so far this year and 3.69% over the past 12 months.


Fidelity Short-Term Bond Index Fund

1D
0.20%
1M
-1.18%
YTD
-0.22%
6M
0.91%
1Y
3.69%
3Y*
4.22%
5Y*
1.56%
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 Oct 31, 2017, FNSOX's average daily return is +0.01%, while the average monthly return is +0.17%. At this rate, your investment would double in approximately 34.0 years.

Historically, 60% of months were positive and 40% were negative. The best month was Mar 2023 with a return of +1.8%, while the worst month was Sep 2022 at -1.9%. The longest winning streak lasted 8 consecutive months, and the longest losing streak was 9 months.

On a daily basis, FNSOX closed higher 33% of trading days. The best single day was Mar 13, 2023 with a return of +1.0%, while the worst single day was Mar 17, 2020 at -0.8%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.15%0.82%-1.18%-0.22%
20250.50%0.99%0.51%0.90%-0.28%0.82%-0.07%1.03%0.33%0.34%0.53%0.25%6.01%
20240.45%-0.68%0.44%-0.78%0.99%0.68%1.50%0.99%0.98%-1.10%0.50%-0.11%3.90%
20231.29%-1.24%1.82%0.54%-0.49%-0.59%0.35%0.24%-0.39%0.03%1.71%1.58%4.90%
2022-0.93%-0.64%-1.84%-1.05%0.69%-0.82%0.83%-1.34%-1.88%-0.31%1.40%0.02%-5.76%
2021-0.10%-0.39%-0.22%0.25%0.16%-0.23%0.45%-0.14%-0.23%-0.58%-0.04%-0.19%-1.25%

Benchmark Metrics

Fidelity Short-Term Bond Index Fund has an annualized alpha of 2.15%, beta of -0.01, and R² of 0.00 versus S&P 500 Index. Calculated based on daily prices since November 01, 2017.

  • This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (6.62%) than losses (2.28%) — typical of diversified or defensive 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
2.15%
Beta
-0.01
0.00
Upside Capture
6.62%
Downside Capture
2.28%

Expense Ratio

FNSOX has an expense ratio of 0.03%, which is considered low.


Return for Risk

Risk / Return Rank

FNSOX ranks 90 for risk / return — in the top 90% of mutual funds on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.


FNSOX Risk / Return Rank: 9090
Overall Rank
FNSOX Sharpe Ratio Rank: 8989
Sharpe Ratio Rank
FNSOX Sortino Ratio Rank: 9393
Sortino Ratio Rank
FNSOX Omega Ratio Rank: 8787
Omega Ratio Rank
FNSOX Calmar Ratio Rank: 9393
Calmar Ratio Rank
FNSOX Martin Ratio Rank: 9191
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 Short-Term Bond Index Fund (FNSOX) and compare them to a chosen benchmark (S&P 500 Index).


FNSOXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

1.82

0.90

+0.93

Sortino ratio

Return per unit of downside risk

2.83

1.39

+1.45

Omega ratio

Gain probability vs. loss probability

1.37

1.21

+0.16

Calmar ratio

Return relative to maximum drawdown

2.86

1.40

+1.46

Martin ratio

Return relative to average drawdown

10.76

6.61

+4.15

Explore FNSOX 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 Short-Term Bond Index Fund provided a 3.15% dividend yield over the last twelve months, with an annual payout of $0.32 per share. The fund has been increasing its distributions for 3 consecutive years.


0.00%0.50%1.00%1.50%2.00%2.50%3.00%3.50%$0.00$0.05$0.10$0.15$0.20$0.25$0.30$0.35201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM202520242023202220212020201920182017
Dividend$0.32$0.33$0.28$0.17$0.08$0.08$0.16$0.26$0.20$0.03

Dividend yield

3.15%3.22%2.80%1.74%0.81%0.80%1.54%2.61%2.04%0.34%

Monthly Dividends

The table displays the monthly dividend distributions for Fidelity Short-Term Bond Index Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.03$0.02$0.00$0.05
2025$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.09$0.33
2024$0.01$0.01$0.01$0.01$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.10$0.28
2023$0.01$0.01$0.01$0.01$0.01$0.01$0.01$0.01$0.01$0.01$0.01$0.03$0.17
2022$0.01$0.01$0.01$0.01$0.01$0.00$0.00$0.01$0.00$0.01$0.01$0.01$0.08
2021$0.00$0.00$0.01$0.01$0.01$0.01$0.01$0.01$0.01$0.02$0.01$0.01$0.08

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 Short-Term Bond 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 Short-Term Bond Index Fund was 8.92%, occurring on Oct 20, 2022. Recovery took 445 trading sessions.

The current Fidelity Short-Term Bond Index Fund drawdown is 1.18%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-8.92%Aug 5, 2020558Oct 20, 2022445Jul 31, 20241003
-2.04%Mar 9, 20209Mar 19, 202015Apr 9, 202024
-1.51%Oct 2, 202457Dec 20, 202442Feb 25, 202599
-1.47%Mar 2, 202619Mar 26, 2026
-1.34%Nov 8, 2017129May 15, 2018143Dec 7, 2018272

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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