MNWIX vs. BSIIX
MNWIX (MFS Managed Wealth Fund) and BSIIX (BlackRock Strategic Income Opportunities Fund Class I) are both mutual funds - MNWIX is a Long-Short fund managed by BlackRock, while BSIIX is a Total Bond Market fund managed by BlackRock. Over the past 10 years, MNWIX returned 3.95%/yr vs 3.60%/yr for BSIIX. Their 0.26 correlation means their historical movements had little consistent relationship. MNWIX charges 0.67%/yr vs 0.69%/yr for BSIIX.
Performance
MNWIX vs. BSIIX - Performance Comparison
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Returns By Period
In the year-to-date period, MNWIX achieves a 2.85% return, which is significantly higher than BSIIX's 1.03% return. Over the past 10 years, MNWIX has outperformed BSIIX with an annualized return of 3.95%, while BSIIX has yielded a comparatively lower 3.60% annualized return.
MNWIX
- 1D
- 0.88%
- 1M
- 0.88%
- 6M
- 2.78%
- YTD
- 2.85%
- 1Y
- 4.97%
- 3Y*
- 6.67%
- 5Y*
- 4.13%
- 10Y*
- 3.95%
- ALL TIME*
- 3.52%
BSIIX
- 1D
- 0.10%
- 1M
- -1.13%
- 6M
- 0.11%
- YTD
- 1.03%
- 1Y
- 4.24%
- 3Y*
- 6.24%
- 5Y*
- 2.75%
- 10Y*
- 3.60%
- ALL TIME*
- 3.91%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
MNWIX vs. BSIIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MNWIX MFS Managed Wealth Fund | 2.85% | 7.71% | 6.42% | 5.41% | -2.15% | 1.35% | 3.11% | 8.70% | 2.10% | 6.70% |
BSIIX BlackRock Strategic Income Opportunities Fund Class I | 1.03% | 8.59% | 5.22% | 6.18% | -6.14% | 0.80% | 7.22% | 7.65% | -0.42% | 4.89% |
Correlation
The correlation between MNWIX and BSIIX is 0.53, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.53 |
Correlation (3Y) Balances recent behavior with more history. | 0.29 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.28 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.24 |
Correlation (All Time) Calculated using the full available price history since Jun 30, 2014 | 0.26 |
Over the past year, MNWIX and BSIIX have become more correlated (0.53) than their long-term average of 0.26, meaning their price movements have been converging.
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Return for Risk
MNWIX vs. BSIIX — Risk / Return Rank
MNWIX
BSIIX
MNWIX vs. BSIIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for MFS Managed Wealth Fund (MNWIX) and BlackRock Strategic Income Opportunities Fund Class I (BSIIX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
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.
| MNWIX | BSIIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.00 | ||
| Sortino ratioReturn per unit of downside risk | -1.56 | ||
| Omega ratioGain probability vs. loss probability | 1.12 | 1.33 | -0.21 |
| Calmar ratioReturn relative to maximum drawdown | 0.72 | 1.76 | -1.03 |
| Martin ratioReturn relative to average drawdown | 2.87 | 6.43 | -3.56 |
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Drawdowns
MNWIX vs. BSIIX - Drawdown Comparison
The maximum MNWIX drawdown since its inception was -5.57%, smaller than the maximum BSIIX drawdown of -18.76%. Use the drawdown chart below to compare losses from any high point for MNWIX and BSIIX.
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Drawdown Indicators
| MNWIX | BSIIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.57% | -18.76% | +13.19% |
Max Drawdown (1Y)Largest decline over 1 year | -5.57% | -2.84% | -2.73% |
Max Drawdown (3Y)Largest decline over 3 years | -5.57% | -2.84% | -2.73% |
Max Drawdown (5Y)Largest decline over 5 years | -5.57% | -9.13% | +3.56% |
Max Drawdown (10Y)Largest decline over 10 years | -5.57% | -9.91% | +4.34% |
Current DrawdownCurrent decline from peak | 0.00% | -1.25% | +1.25% |
Average DrawdownAverage peak-to-trough decline | -1.12% | -1.80% | +0.68% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.41% | 0.78% | +0.63% |
Volatility
MNWIX vs. BSIIX - Volatility Comparison
MFS Managed Wealth Fund (MNWIX) has a higher volatility of 1.68% compared to BlackRock Strategic Income Opportunities Fund Class I (BSIIX) at 0.69%. This indicates that MNWIX's price experiences larger fluctuations and is considered to be riskier than BSIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MNWIX | BSIIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.68% | 0.69% | +0.99% |
Volatility (6M)Calculated over the trailing 6-month period | 4.86% | 2.44% | +2.42% |
Volatility (1Y)Calculated over the trailing 1-year period | 6.02% | 2.99% | +3.03% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.15% | 3.04% | +1.11% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.90% | 3.15% | +0.75% |
MNWIX vs. BSIIX - Expense Ratio Comparison
MNWIX has a 0.67% expense ratio, which is lower than BSIIX's 0.69% expense ratio.
Dividends
MNWIX vs. BSIIX - Dividend Comparison
MNWIX's dividend yield for the trailing twelve months is around 0.74%, less than BSIIX's 4.83% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BSIIX BlackRock Strategic Income Opportunities Fund Class I | 4.83% | 5.07% | 4.75% | 3.33% | 3.58% | 2.98% | 2.92% | 3.54% | 3.32% | 3.45% | 2.91% | 3.19% |
MNWIX MFS Managed Wealth Fund | 0.74% | 0.76% | 1.13% | 0.78% | 0.70% | 0.13% | 0.24% | 0.54% | 0.42% | 0.94% | 2.65% | 1.19% |
Frequently Asked Questions
MNWIX and BSIIX have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MNWIX has higher volatility (1.68%) compared to BSIIX (0.69%). In terms of maximum drawdown, MNWIX dropped -5.57% vs BSIIX's -18.76%.
BSIIX currently has the higher Sharpe Ratio (1.67 vs 0.67), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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