MRBIX vs. MCFIX
Compare and contrast key facts about MFS Total Return Bond Fund (MRBIX) and Mercer Core Fixed Income Fund (MCFIX).
MRBIX is managed by MFS. It was launched on Jan 4, 1999. MCFIX is managed by Mercer Funds. It was launched on Aug 15, 2005.
Performance
MRBIX vs. MCFIX - Performance Comparison
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MRBIX vs. MCFIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
MRBIX MFS Total Return Bond Fund | -0.26% | 7.35% | 1.77% | 6.45% | -14.52% | -0.84% | 8.83% | 6.31% |
MCFIX Mercer Core Fixed Income Fund | -0.88% | 6.64% | 2.02% | 6.47% | -13.69% | -1.05% | 4.75% | 3.31% |
Returns By Period
In the year-to-date period, MRBIX achieves a -0.26% return, which is significantly higher than MCFIX's -0.88% return.
MRBIX
- 1D
- 0.21%
- 1M
- -1.65%
- YTD
- -0.26%
- 6M
- 0.50%
- 1Y
- 3.94%
- 3Y*
- 3.88%
- 5Y*
- 0.21%
- 10Y*
- 2.02%
MCFIX
- 1D
- 0.23%
- 1M
- -1.88%
- YTD
- -0.88%
- 6M
- -0.58%
- 1Y
- 2.54%
- 3Y*
- 3.62%
- 5Y*
- 0.17%
- 10Y*
- —
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MRBIX vs. MCFIX - Expense Ratio Comparison
MRBIX has a 0.45% expense ratio, which is higher than MCFIX's 0.16% expense ratio.
Return for Risk
MRBIX vs. MCFIX — Risk / Return Rank
MRBIX
MCFIX
MRBIX vs. MCFIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for MFS Total Return Bond Fund (MRBIX) and Mercer Core Fixed Income Fund (MCFIX). 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.
| MRBIX | MCFIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.99 | 0.70 | +0.30 |
Sortino ratioReturn per unit of downside risk | 1.43 | 1.01 | +0.42 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.13 | +0.05 |
Calmar ratioReturn relative to maximum drawdown | 1.72 | 1.73 | -0.02 |
Martin ratioReturn relative to average drawdown | 5.10 | 5.00 | +0.10 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| MRBIX | MCFIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.99 | 0.70 | +0.30 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.04 | 0.03 | +0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.41 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.97 | 0.15 | +0.83 |
Correlation
The correlation between MRBIX and MCFIX is 0.89, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
MRBIX vs. MCFIX - Dividend Comparison
MRBIX's dividend yield for the trailing twelve months is around 3.88%, less than MCFIX's 4.30% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MRBIX MFS Total Return Bond Fund | 3.88% | 4.21% | 3.69% | 3.42% | 2.39% | 3.42% | 3.00% | 3.06% | 2.87% | 2.65% | 3.02% | 3.76% |
MCFIX Mercer Core Fixed Income Fund | 4.30% | 3.89% | 4.54% | 3.68% | 3.31% | 2.45% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
MRBIX vs. MCFIX - Drawdown Comparison
The maximum MRBIX drawdown since its inception was -19.25%, smaller than the maximum MCFIX drawdown of -21.68%. Use the drawdown chart below to compare losses from any high point for MRBIX and MCFIX.
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Drawdown Indicators
| MRBIX | MCFIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.25% | -21.68% | +2.43% |
Max Drawdown (1Y)Largest decline over 1 year | -2.77% | -3.09% | +0.32% |
Max Drawdown (5Y)Largest decline over 5 years | -19.25% | -18.72% | -0.53% |
Max Drawdown (10Y)Largest decline over 10 years | -19.25% | — | — |
Current DrawdownCurrent decline from peak | -2.05% | -5.87% | +3.82% |
Average DrawdownAverage peak-to-trough decline | -2.48% | -8.61% | +6.13% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.93% | 1.07% | -0.14% |
Volatility
MRBIX vs. MCFIX - Volatility Comparison
The current volatility for MFS Total Return Bond Fund (MRBIX) is 1.46%, while Mercer Core Fixed Income Fund (MCFIX) has a volatility of 1.54%. This indicates that MRBIX experiences smaller price fluctuations and is considered to be less risky than MCFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MRBIX | MCFIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.46% | 1.54% | -0.08% |
Volatility (6M)Calculated over the trailing 6-month period | 2.50% | 2.68% | -0.18% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.24% | 4.81% | -0.57% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.70% | 6.01% | -0.31% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.90% | 6.16% | -1.26% |