MFS Municipal Income Fund (MMIBX)
The investment seeks total return with an emphasis on income exempt from federal income tax, but also considering capital appreciation. The fund invests normally at least 80% of its net assets in securities and other investments, the interest on which is exempt from federal income tax. Interest from its investments may be subject to the federal alternative minimum tax. The fund normally invests its assets primarily in municipal instruments. It may invest 25% or more of its total assets in municipal instruments that finance similar projects, such as those relating to education, healthcare, housing, utilities, water, or sewers.
Fund Info
US55273N5665
55273N566
Dec 28, 1986
$1,000
Expense Ratio
MMIBX has a high expense ratio of 1.45%, indicating above-average management fees.
Share Price Chart
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Compare to other instruments
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Performance
Performance Chart
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Returns By Period
MFS Municipal Income Fund (MMIBX) returned -1.75% year-to-date (YTD) and 0.69% over the past 12 months. Over the past 10 years, MMIBX returned 1.52% annually, underperforming the S&P 500 benchmark at 10.45%.
MMIBX
-1.75%
3.22%
-2.01%
0.69%
0.89%
1.52%
^GSPC (Benchmark)
-3.77%
3.72%
-5.60%
8.55%
14.11%
10.45%
Monthly Returns
The table below presents the monthly returns of MMIBX, with color gradation from worst to best to easily spot seasonal factors. Returns are adjusted for dividends.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 0.24% | 1.07% | -1.94% | -1.11% | 0.00% | -1.75% | |||||||
| 2024 | -0.12% | -0.01% | 0.45% | -1.37% | 0.24% | 1.96% | 0.96% | 0.71% | 1.31% | -1.55% | 1.69% | -1.56% | 2.66% |
| 2023 | 3.33% | -2.51% | 1.84% | -0.05% | -0.76% | 0.71% | 0.21% | -1.27% | -3.42% | -1.72% | 7.16% | 2.72% | 5.93% |
| 2022 | -2.82% | -0.67% | -3.37% | -3.14% | 1.14% | -2.34% | 2.74% | -2.58% | -4.39% | -1.24% | 4.89% | -0.31% | -11.83% |
| 2021 | 1.24% | -1.61% | 0.46% | 1.12% | 0.57% | 0.44% | 0.88% | -0.42% | -0.97% | -0.32% | 0.88% | 0.11% | 2.36% |
| 2020 | 1.94% | 1.67% | -6.49% | -2.36% | 2.78% | 1.89% | 1.98% | -0.29% | -0.08% | -0.40% | 1.95% | 1.03% | 3.28% |
| 2019 | 0.46% | 0.66% | 1.61% | 0.43% | 1.34% | 0.53% | 0.54% | 1.86% | -0.69% | -0.04% | 0.05% | 0.28% | 7.23% |
| 2018 | -1.15% | -0.49% | 0.57% | -0.36% | 1.18% | 0.00% | 0.35% | 0.10% | -0.58% | -0.94% | 0.81% | 0.92% | 0.38% |
| 2017 | 0.35% | 0.55% | 0.35% | 0.69% | 1.49% | -0.23% | 0.58% | 0.80% | -0.23% | -0.11% | -0.23% | 0.90% | 5.02% |
| 2016 | 1.03% | 0.13% | 0.37% | 0.68% | 0.35% | 1.56% | -0.11% | 0.33% | -0.44% | -0.87% | -3.48% | 0.81% | 0.27% |
| 2015 | 1.81% | -1.24% | 0.34% | -0.56% | -0.33% | -0.23% | 0.59% | 0.23% | 0.56% | 0.35% | 0.35% | 0.81% | 2.69% |
| 2014 | 2.08% | 1.18% | 0.24% | 1.40% | 1.63% | -0.11% | 0.23% | 1.27% | 0.22% | 0.68% | 0.22% | 0.58% | 10.02% |
Risk-Adjusted Performance
Risk-Adjusted Performance Rank
The current rank of MMIBX is 29, indicating average performance compared to other mutual funds on our website. Here’s a breakdown of how it compares using common performance measures.
Risk-Adjusted Performance Indicators
The charts below present risk-adjusted performance metrics for MFS Municipal Income Fund (MMIBX) and compare them to a chosen benchmark (^GSPC). These indicators evaluate an investment's returns against its associated risks.
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Dividends
Dividend History
MFS Municipal Income Fund provided a 2.61% dividend yield over the last twelve months, with an annual payout of $0.21 per share. The fund has been increasing its distributions for 3 consecutive years.
| Period | TTM | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.21 | $0.23 | $0.20 | $0.15 | $0.13 | $0.17 | $0.21 | $0.23 | $0.24 | $0.25 | $0.24 | $0.24 |
Dividend yield | 2.61% | 2.75% | 2.47% | 1.92% | 1.45% | 1.86% | 2.29% | 2.69% | 2.69% | 2.88% | 2.75% | 2.70% |
Monthly Dividends
The table displays the monthly dividend distributions for MFS Municipal Income Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | $0.02 | $0.02 | $0.02 | $0.00 | $0.00 | $0.06 | |||||||
| 2024 | $0.00 | $0.02 | $0.04 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.23 |
| 2023 | $0.02 | $0.01 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.20 |
| 2022 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.02 | $0.15 |
| 2021 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.13 |
| 2020 | $0.02 | $0.01 | $0.02 | $0.02 | $0.02 | $0.01 | $0.02 | $0.01 | $0.01 | $0.01 | $0.01 | $0.01 | $0.17 |
| 2019 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.21 |
| 2018 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.23 |
| 2017 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.24 |
| 2016 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.25 |
| 2015 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.24 |
| 2014 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.24 |
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 MFS Municipal Income 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 MFS Municipal Income Fund was 16.77%, occurring on Oct 25, 2022. The portfolio has not yet recovered.
The current MFS Municipal Income Fund drawdown is 6.48%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -16.77% | Aug 6, 2021 | 308 | Oct 25, 2022 | — | — | — |
| -13.53% | Mar 2, 2020 | 15 | Mar 20, 2020 | 209 | Jan 19, 2021 | 224 |
| -13.44% | Jan 24, 2008 | 226 | Dec 15, 2008 | 166 | Aug 13, 2009 | 392 |
| -9.7% | Dec 10, 2012 | 186 | Sep 5, 2013 | 247 | Aug 28, 2014 | 433 |
| -9.59% | Aug 19, 1987 | 44 | Oct 19, 1987 | 64 | Jan 15, 1988 | 108 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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