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Fidelity Municipal Bond Index Fund (FMBIX)
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Fund Info

ISIN

US31635T7651

CUSIP

31635T765

Issuer

Fidelity

Inception Date

Jul 11, 2019

Min. Investment

$0

Asset Class

Bond

Expense Ratio

FMBIX has an expense ratio of 0.07%, which is considered low.


Share Price Chart


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Compare to other instruments

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


Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in Fidelity Municipal 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.


0.00%20.00%40.00%60.00%80.00%100.00%December2025FebruaryMarchAprilMay
3.60%
88.54%
FMBIX (Fidelity Municipal Bond Index Fund)
Benchmark (^GSPC)

Returns By Period

Fidelity Municipal Bond Index Fund (FMBIX) returned 0.60% year-to-date (YTD) and 2.45% over the past 12 months.


FMBIX

YTD

0.60%

1M

0.00%

6M

0.57%

1Y

2.45%

5Y*

0.90%

10Y*

N/A

^GSPC (Benchmark)

YTD

-3.77%

1M

3.72%

6M

-5.60%

1Y

8.55%

5Y*

14.11%

10Y*

10.45%

*Annualized

Monthly Returns

The table below presents the monthly returns of FMBIX, with color gradation from worst to best to easily spot seasonal factors. Returns are adjusted for dividends.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20250.29%1.08%-2.05%1.32%0.00%0.60%
2024-0.02%-0.02%-0.32%-1.04%-0.50%1.54%1.08%0.65%1.29%-1.47%1.46%-1.09%1.51%
20233.16%-2.51%2.36%-0.43%-0.70%0.85%0.26%-1.32%-3.16%-1.07%6.48%2.24%5.91%
2022-2.64%-0.61%-3.00%-3.31%1.64%-2.00%2.58%-2.37%-3.79%-0.79%4.85%-0.22%-9.59%
20210.48%-1.50%0.58%0.82%0.32%0.22%0.70%-0.28%-0.77%-0.14%0.70%0.16%1.27%
20201.63%1.16%-3.61%-2.62%3.16%0.78%1.43%-0.31%-0.07%-0.21%1.33%0.58%3.10%
20190.37%1.54%-0.85%0.04%0.14%0.24%1.48%

Risk-Adjusted Performance

Risk-Adjusted Performance Rank

The current rank of FMBIX is 63, indicating average performance compared to other mutual funds on our website. Here’s a breakdown of how it compares using common performance measures.


The Risk-Adjusted Performance Rank of FMBIX is 6363
Overall Rank
The Sharpe Ratio Rank of FMBIX is 6767
Sharpe Ratio Rank
The Sortino Ratio Rank of FMBIX is 6464
Sortino Ratio Rank
The Omega Ratio Rank of FMBIX is 6868
Omega Ratio Rank
The Calmar Ratio Rank of FMBIX is 5353
Calmar Ratio Rank
The Martin Ratio Rank of FMBIX is 6060
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.

Risk-Adjusted Performance Indicators

The charts below present risk-adjusted performance metrics for Fidelity Municipal Bond Index Fund (FMBIX) and compare them to a chosen benchmark (^GSPC). These indicators evaluate an investment's returns against its associated risks.


The Sharpe ratio helps investors understand how much return they're getting for the level of risk taken. A higher Sharpe ratio indicates better risk-adjusted performance, meaning more reward for each unit of risk.

Fidelity Municipal Bond Index Fund Sharpe ratios as of May 10, 2025 (values are recalculated daily):

  • 1-Year: 0.66
  • 5-Year: 0.27
  • All Time: 0.14

These values reflect how efficiently the investment has delivered returns relative to its volatility over different time periods. All figures are annualized and based on daily total returns (including price changes and dividends).

The chart below shows the rolling Sharpe ratio of Fidelity Municipal Bond Index Fund compared to the selected benchmark. This view highlights how the investment's risk-adjusted performance has changed over time. For deeper analysis or to customize the calculation, use the Sharpe ratio tool.


Rolling 12-month Sharpe Ratio0.001.002.003.00December2025FebruaryMarchAprilMay
0.66
0.48
FMBIX (Fidelity Municipal Bond Index Fund)
Benchmark (^GSPC)

Dividends

Dividend History

Fidelity Municipal Bond Index Fund provided a 2.46% dividend yield over the last twelve months, with an annual payout of $0.45 per share. The fund has been increasing its distributions for 3 consecutive years.


1.00%1.50%2.00%2.50%$0.00$0.10$0.20$0.30$0.40$0.50201920202021202220232024
Dividends
Dividend Yield
PeriodTTM202420232022202120202019
Dividend$0.45$0.48$0.43$0.33$0.29$0.32$0.16

Dividend yield

2.46%2.58%2.31%1.80%1.42%1.59%0.77%

Monthly Dividends

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


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2025$0.04$0.04$0.05$0.00$0.00$0.13
2024$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.48
2023$0.04$0.03$0.04$0.03$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.04$0.43
2022$0.02$0.02$0.02$0.02$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.03$0.33
2021$0.03$0.02$0.03$0.03$0.03$0.02$0.02$0.02$0.02$0.02$0.02$0.02$0.29
2020$0.03$0.03$0.03$0.03$0.03$0.02$0.03$0.03$0.03$0.03$0.03$0.03$0.32
2019$0.01$0.03$0.03$0.03$0.03$0.03$0.16

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.


-20.00%-15.00%-10.00%-5.00%0.00%December2025FebruaryMarchAprilMay
-2.59%
-7.82%
FMBIX (Fidelity Municipal Bond Index Fund)
Benchmark (^GSPC)

Worst Drawdowns

The table below displays the maximum drawdowns of the Fidelity Municipal 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 Municipal Bond Index Fund was 14.31%, occurring on Oct 25, 2022. The portfolio has not yet recovered.

The current Fidelity Municipal Bond Index Fund drawdown is 2.59%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-14.31%Aug 6, 2021310Oct 25, 2022
-11.07%Mar 10, 20209Mar 20, 2020215Jan 27, 2021224
-1.95%Feb 16, 20218Feb 25, 202169Jun 4, 202177
-1.63%Sep 3, 201911Sep 17, 201976Jan 6, 202087
-0.49%Jun 15, 20218Jun 24, 20218Jul 7, 202116

Volatility

Volatility Chart

The current Fidelity Municipal Bond Index Fund volatility is 0.00%, representing the average percentage change in the investments's value, either up or down over the past month. The chart below shows the rolling one-month volatility.


0.00%5.00%10.00%15.00%December2025FebruaryMarchAprilMay0
11.21%
FMBIX (Fidelity Municipal Bond Index Fund)
Benchmark (^GSPC)