- Issuer
- MFS
- Inception Date
- Dec 5, 2024
- Region
- Global (Broad)
- Category
- Intermediate Core-Plus Bond
- Leveraged
- 1x (No leverage)
- Index Tracked
- No Index (Active)
- Domicile
- United States
- Distribution Policy
- Distributing
- Asset Class
- Bond
- Assets Under Management
- $389M
Highlights
- Avg. Volume (1M)
- 171K
- Avg. Volume Value (1M)
- $4.23M
Share Price Chart
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Performance
MFSB Performance Chart
MFS Active Core Plus Bond ETF (MFSB) is down 0.0% since the beginning of the year. MFSB is currently trading at $25 per share.
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Returns By Period
MFS Active Core Plus Bond ETF (MFSB) has returned -0.02% so far this year and 2.81% over the past 12 months.
MFS Active Core Plus Bond ETF
- 1D
- -0.24%
- 1M
- -1.14%
- 6M
- -0.30%
- YTD
- -0.02%
- 1Y
- 2.81%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- 3.59%
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%
MFSB Monthly Returns History
Based on dividend-adjusted daily data since Dec 5, 2024, MFSB's average daily return is +0.01%, while the average monthly return is +0.30%. At this rate, an investment would double in approximately 19.3 years.
Historically, 65% of months were positive and 35% were negative. The best month was Feb 2025 with a return of +2.0%, while the worst month was Mar 2026 at -2.0%. The longest winning streak lasted 4 consecutive months, and the longest losing streak was 1 months.
On a daily basis, MFSB closed higher 53% of trading days. The best single day was Jan 15, 2025 with a return of +0.9%, while the worst single day was Apr 7, 2025 at -1.6%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.28% | 1.56% | -2.00% | 0.57% | 0.44% | 0.30% | -1.14% | -0.02% | |||||
| 2025 | 0.15% | 1.98% | -0.09% | 0.23% | -0.24% | 1.81% | -0.05% | 1.08% | 1.24% | 0.61% | 0.54% | -0.07% | 7.40% |
| 2024 | -1.28% | -1.28% |
Benchmark Metrics
MFS Active Core Plus Bond ETF has an annualized alpha of 2.80%, beta of 0.06, and R2 of 0.07 versus S&P 500 Index. Calculated based on daily prices since December 05, 2024.
- This ETF participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (13.37%) than losses (3.41%) - typical of diversified or defensive assets.
- Beta of 0.06 may look defensive, but with R2 of 0.07 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 0.07 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
- 2.80%
- Beta
- 0.06
- R²
- 0.07
- Upside Capture
- 13.37%
- Downside Capture
- 3.41%
Expense Ratio
MFSB has an expense ratio of 0.34%, placing it in the medium range.
Return for Risk
Risk / Return Rank
MFSB ranks 37 for risk / return — above 37% of ETFs peers on PortfoliosLab. Its historical combined result is below the peer median.
Risk / Return Metrics
The table below present risk-adjusted performance metrics for MFS Active Core Plus Bond ETF (MFSB) 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.
| MFSB | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.43 | ||
| Sortino ratioReturn per unit of downside risk | -0.56 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 1.25 | -0.09 |
| Calmar ratioReturn relative to maximum drawdown | 1.26 | 2.00 | -0.74 |
| Martin ratioReturn relative to average drawdown | 3.51 | 8.49 | -4.98 |
Dividends
Dividend History
MFS Active Core Plus Bond ETF provided a 4.64% dividend yield over the last twelve months, with an annual payout of $1.14 per share.
| Period | TTM | 2025 | 2024 |
|---|---|---|---|
| Dividend | $1.14 | $1.16 | $0.09 |
Dividend yield | 4.64% | 4.58% | 0.37% |
Monthly Dividends
The table displays the monthly dividend distributions for MFS Active Core Plus 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 | $0.10 | $0.09 | $0.09 | $0.09 | $0.10 | $0.10 | $0.10 | $0.66 | |||||
| 2025 | $0.09 | $0.09 | $0.10 | $0.10 | $0.10 | $0.09 | $0.11 | $0.10 | $0.09 | $0.10 | $0.09 | $0.10 | $1.16 |
| 2024 | $0.09 | $0.09 |
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 Active Core Plus 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 Core Plus Bond ETF was 3.19%, occurring on Jan 14, 2025. Recovery took 28 trading sessions.
The current MFS Active Core Plus Bond ETF drawdown is 1.83%.
Drawdown | Fall | Recovery | Underwater | Related event |
|---|---|---|---|---|
-3.19%Jan 2025 | 1mo 6d | 1mo 12d | 2mo 18dDec 2024 - Feb 2025 | — |
-2.76%Apr 2025 | 4d | 2mo 10d | 2mo 14dApr 2025 - Jun 2025 | 2025 selloff2025 |
-2.71%Mar 2026 | 25d | — | 5mo 3dMar 2026 - now | — |
-0.98%Nov 2025 | 7d | 21d | 28dOct 2025 - Nov 2025 | — |
-0.98%Jul 2025 | 13d | 14d | 27dJul 2025 - Jul 2025 | — |
Drawdown Indicators
| MFSB | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -3.19% | -56.78% | +53.59% |
Max Drawdown (1Y)Largest decline over 1 year | -2.71% | -9.10% | +6.39% |
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 | -1.83% | -1.58% | -0.25% |
Average DrawdownAverage peak-to-trough decline | -0.85% | -10.70% | +9.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.97% | 2.14% | -1.17% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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