- ISIN
- US55273N8065
- CUSIP
- 55273N806
- Issuer
- MFS
- Inception Date
- Apr 8, 1985
- Category
- Municipal Bonds
- Min. Investment
- $1,000
- Distribution Policy
- Distributing
- Asset Class
- Bond
Share Price Chart
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Performance
MFSSX Performance Chart
MFS Massachusetts Municipal Bond Fund (MFSSX) is up 2.2% since the beginning of the year. MFSSX is currently trading at $10 per share. Investors who bought $1,000 worth of MFSSX shares 5 years ago would now be looking at an investment worth $1,025.
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Returns By Period
MFS Massachusetts Municipal Bond Fund (MFSSX) has returned 2.16% so far this year and 7.42% over the past 12 months. Over the last ten years, MFSSX has returned 1.78% per year, falling short of the S&P 500 Index benchmark, which averaged 13.88% annually.
MFS Massachusetts Municipal Bond Fund
- 1D
- 0.10%
- 1M
- 1.97%
- YTD
- 2.16%
- 6M
- 2.54%
- 1Y
- 7.42%
- 3Y*
- 3.79%
- 5Y*
- 0.50%
- 10Y*
- 1.78%
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%
MFSSX Monthly Returns History
Based on dividend-adjusted daily data since Apr 9, 1985, MFSSX'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, 65% of months were positive and 35% were negative. The best month was Nov 2023 with a return of +6.9%, while the worst month was Apr 1987 at -6.5%. The longest winning streak lasted 14 consecutive months, and the longest losing streak was 4 months.
On a daily basis, MFSSX closed higher 38% of trading days. The best single day was Mar 25, 2020 with a return of +3.8%, while the worst single day was Mar 12, 2020 at -3.5%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.47% | 1.43% | -1.96% | 1.26% | 0.48% | 0.49% | 2.16% | ||||||
| 2025 | 0.33% | 1.16% | -1.43% | -0.47% | -0.63% | 0.58% | -0.73% | 0.79% | 2.82% | 1.27% | 0.36% | -0.02% | 4.04% |
| 2024 | 0.07% | -0.05% | -0.20% | -1.22% | 0.06% | 1.69% | 0.85% | 0.74% | 0.93% | -1.37% | 1.77% | -1.29% | 1.94% |
| 2023 | 3.17% | -2.50% | 2.06% | -0.06% | -0.75% | 0.54% | 0.25% | -1.59% | -2.88% | -1.87% | 6.86% | 2.66% | 5.59% |
| 2022 | -2.48% | -0.59% | -2.92% | -3.20% | 1.16% | -2.31% | 2.65% | -2.57% | -4.93% | -1.11% | 5.61% | -0.23% | -10.79% |
| 2021 | 0.71% | -1.41% | 0.53% | 0.96% | 0.52% | 0.33% | 0.77% | -0.37% | -0.81% | -0.20% | 0.85% | 0.15% | 2.02% |
Benchmark Metrics
MFS Massachusetts Municipal Bond Fund has an annualized alpha of 4.16%, beta of 0.01, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since April 09, 1985.
- This fund participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (15.69%) than losses (4.15%) - 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
- 4.16%
- Beta
- 0.01
- R²
- 0.00
- Upside Capture
- 15.69%
- Downside Capture
- 4.15%
Expense Ratio
MFSSX has an expense ratio of 0.83%, placing it in the medium range.
Return for Risk
Risk / Return Rank
MFSSX ranks 75 for risk / return — better than 75% of mutual funds on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for MFS Massachusetts Municipal Bond Fund (MFSSX) 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.
| MFSSX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.58 | ||
| Sortino ratioReturn per unit of downside risk | +1.35 | ||
| Omega ratioGain probability vs. loss probability | 1.67 | 1.37 | +0.30 |
| Calmar ratioReturn relative to maximum drawdown | 2.74 | 2.78 | -0.04 |
| Martin ratioReturn relative to average drawdown | 9.86 | 12.44 | -2.58 |
Dividends
Dividend History
MFS Massachusetts Municipal Bond Fund provided a 3.21% dividend yield over the last twelve months, with an annual payout of $0.33 per share. The fund has been increasing its distributions for 3 consecutive years.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.33 | $0.43 | $0.29 | $0.25 | $0.18 | $0.22 | $0.28 | $0.37 | $0.37 | $0.42 | $0.40 | $0.42 |
Dividend yield | 3.21% | 4.20% | 2.81% | 2.43% | 1.84% | 1.91% | 2.44% | 3.27% | 3.42% | 3.74% | 3.64% | 3.70% |
Monthly Dividends
The table displays the monthly dividend distributions for MFS Massachusetts Municipal Bond 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.00 | $0.14 | ||||||
| 2025 | $0.05 | $0.05 | $0.05 | $0.05 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.03 | $0.43 |
| 2024 | $0.03 | $0.03 | $0.00 | $0.03 | $0.03 | $0.00 | $0.03 | $0.03 | $0.03 | $0.03 | $0.05 | $0.03 | $0.29 |
| 2023 | $0.03 | $0.02 | $0.03 | $0.02 | $0.02 | $0.02 | $0.03 | $0.00 | $0.02 | $0.00 | $0.03 | $0.03 | $0.25 |
| 2022 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.00 | $0.00 | $0.02 | $0.00 | $0.02 | $0.02 | $0.03 | $0.18 |
| 2021 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.02 | $0.22 |
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 Massachusetts Municipal Bond 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 Massachusetts Municipal Bond Fund was 17.05%, occurring on Oct 19, 1987. Recovery took 776 trading sessions.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Black Monday1987 | -17.05%Oct 1987 | 7mo 3d | 3y 25d | 3y 7moMar 1987 - Nov 1990 |
Bear market2022 | -16.13%Oct 2022 | 1y 2mo | 3y 3mo | 4y 6moAug 2021 - Feb 2026 |
COVID crash2020 | -13.35%Mar 2020 | 18d | 9mo 16d | 10mo 4dMar 2020 - Dec 2020 |
Financial crisis2007–2009 | -12.33%Dec 2008 | 10mo 26d | 4mo 8d | 1y 2moJan 2008 - Apr 2009 |
2013 correction2013 | -10.70%Sep 2013 | 9mo 3d | 1y 23d | 1y 9moDec 2012 - Oct 2014 |
Drawdown Indicators
| MFSSX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.05% | -56.78% | +39.73% |
Max Drawdown (1Y)Largest decline over 1 year | -2.72% | -9.10% | +6.38% |
Max Drawdown (3Y)Largest decline over 3 years | -6.64% | -18.90% | +12.26% |
Max Drawdown (5Y)Largest decline over 5 years | -16.13% | -25.43% | +9.30% |
Max Drawdown (10Y)Largest decline over 10 years | -16.13% | -33.92% | +17.79% |
Current DrawdownCurrent decline from peak | 0.00% | -1.80% | +1.80% |
Average DrawdownAverage peak-to-trough decline | -2.40% | -10.71% | +8.31% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.75% | 2.03% | -1.28% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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