- Issuer
- MFS
- Inception Date
- Dec 5, 2024
- Region
- North America (U.S.)
- Category
- Municipal Bonds
- Leveraged
- 1x (No leverage)
- Index Tracked
- No Index (Active)
- Domicile
- United States
- Distribution Policy
- Distributing
- Asset Class
- Bond
- Assets Under Management
- $83M
Highlights
- Avg. Volume (1M)
- 16K
- Avg. Volume Value (1M)
- $408.74K
Share Price Chart
Loading charts...
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Performance
MFSM Performance Chart
MFS Active Intermediate Muni Bond ETF (MFSM) is up 0.6% since the beginning of the year. MFSM is currently trading at $25 per share.
Loading charts...
Compare this symbol against anything
Returns By Period
MFS Active Intermediate Muni Bond ETF (MFSM) has returned 0.59% so far this year and 4.68% over the past 12 months.
MFS Active Intermediate Muni Bond ETF
- 1D
- -0.20%
- 1M
- -1.75%
- 6M
- -0.22%
- YTD
- 0.59%
- 1Y
- 4.68%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 2.80%
Benchmark (S&P 500 Index)
- 1D
- 0.70%
- 1M
- 0.09%
- 6M
- 7.94%
- YTD
- 9.41%
- 1Y
- 20.07%
- 3Y*
- 17.84%
- 5Y*
- 11.25%
- 10Y*
- 13.26%
- ALL TIME*
- 8.09%
MFSM Monthly Returns History
Based on dividend-adjusted daily data since Dec 5, 2024, MFSM's average daily return is +0.01%, while the average monthly return is +0.23%. At this rate, an investment would double in approximately 25.1 years.
Historically, 65% of months were positive and 35% were negative. The best month was Sep 2025 with a return of +1.9%, while the worst month was Mar 2026 at -2.0%. The longest winning streak lasted 7 consecutive months, and the longest losing streak was 3 months.
On a daily basis, MFSM closed higher 55% of trading days. The best single day was Sep 5, 2025 with a return of +0.6%, while the worst single day was Apr 7, 2025 at -1.9%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.80% | 1.39% | -2.04% | 0.99% | 0.49% | 0.73% | -1.72% | 0.59% | |||||
| 2025 | 0.56% | 1.11% | -0.96% | -0.68% | -0.31% | 1.14% | -0.24% | 0.84% | 1.94% | 1.18% | 0.24% | 0.35% | 5.25% |
| 2024 | -1.14% | -1.14% |
Benchmark Metrics
MFS Active Intermediate Muni Bond ETF has an annualized alpha of 2.25%, beta of 0.04, and R2 of 0.05 versus S&P 500 Index. Calculated based on daily prices since December 05, 2024.
- This ETF participated in 17.82% of S&P 500 Index downside but only 15.95% of its upside - more exposed to losses than it benefited from rallies.
- Beta of 0.04 may look defensive, but with R2 of 0.05 this ETF 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 ETF's risk.
- R2 of 0.05 means this ETF 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
- 2.25%
- Beta
- 0.04
- R²
- 0.05
- Upside Capture
- 15.95%
- Downside Capture
- 17.82%
Expense Ratio
MFSM has an expense ratio of 0.34%, placing it in the medium range.
Return for Risk
Risk / Return Rank
MFSM ranks 73 for risk / return — above 73% of ETFs peers on PortfoliosLab. Its historical combined result is above most peers.
Risk / Return Metrics
The table below present risk-adjusted performance metrics for MFS Active Intermediate Muni Bond ETF (MFSM) 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.
| MFSM | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.53 | ||
| Sortino ratioReturn per unit of downside risk | +0.88 | ||
| Omega ratioGain probability vs. loss probability | 1.40 | 1.25 | +0.14 |
| Calmar ratioReturn relative to maximum drawdown | 1.98 | 2.00 | -0.02 |
| Martin ratioReturn relative to average drawdown | 6.64 | 8.49 | -1.85 |
Dividends
Dividend History
MFS Active Intermediate Muni Bond ETF provided a 3.62% dividend yield over the last twelve months, with an annual payout of $0.89 per share.
| Period | TTM | 2025 | 2024 |
|---|---|---|---|
| Dividend | $0.89 | $0.88 | $0.06 |
Dividend yield | 3.62% | 3.53% | 0.23% |
Monthly Dividends
The table displays the monthly dividend distributions for MFS Active Intermediate Muni Bond ETF. 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 | $0.07 | $0.06 | $0.08 | $0.07 | $0.07 | $0.07 | $0.08 | $0.51 | |||||
| 2025 | $0.07 | $0.07 | $0.07 | $0.08 | $0.08 | $0.07 | $0.08 | $0.08 | $0.08 | $0.08 | $0.08 | $0.07 | $0.88 |
| 2024 | $0.06 | $0.06 |
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.
Loading charts...
Worst Drawdowns
The table below displays the maximum drawdowns of the MFS Active Intermediate Muni Bond ETF. 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 Active Intermediate Muni Bond ETF was 3.86%, occurring on Apr 11, 2025. Recovery took 100 trading sessions.
The current MFS Active Intermediate Muni Bond ETF drawdown is 1.89%.
Drawdown | Fall | Recovery | Underwater | Related event |
|---|---|---|---|---|
-3.86%Apr 2025 | 1mo 8d | 4mo 27d | 6mo 5dMar 2025 - Sep 2025 | 2025 selloff2025 |
-2.65%Mar 2026 | 27d | 3mo 2d | 3mo 29dFeb 2026 - Jun 2026 | — |
-2.09%Jan 2025 | 1mo 5d | 1mo 12d | 2mo 17dDec 2024 - Feb 2025 | — |
-2.03%Jul 2026 | 16d | — | 27dJul 2026 - now | — |
-0.40%Jan 2026 | 4d | 6d | 10dJan 2026 - Jan 2026 | — |
Drawdown Indicators
| MFSM | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -3.86% | -56.78% | +52.92% |
Max Drawdown (1Y)Largest decline over 1 year | -2.65% | -9.10% | +6.45% |
Max Drawdown (3Y)Largest decline over 3 years | — | -18.90% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -25.43% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.92% | — |
Current DrawdownCurrent decline from peak | -1.89% | -1.58% | -0.31% |
Average DrawdownAverage peak-to-trough decline | -0.86% | -10.70% | +9.84% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.79% | 2.14% | -1.35% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
Loading charts...
Build a portfolio with MFSM
Add MFS Active Intermediate Muni Bond ETF 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 MFSM