MFBFX vs. PRPIX
Compare and contrast key facts about MFS Corporate Bond Fund (MFBFX) and T. Rowe Price Corporate Income Fund (PRPIX).
MFBFX is managed by MFS. It was launched on May 8, 1974. PRPIX is managed by T. Rowe Price. It was launched on Oct 31, 1995.
Performance
MFBFX vs. PRPIX - Performance Comparison
Loading graphics...
MFBFX vs. PRPIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MFBFX MFS Corporate Bond Fund | -1.25% | 7.35% | 2.03% | 8.09% | -17.27% | -1.47% | 11.01% | 14.43% | -3.19% | 6.08% |
PRPIX T. Rowe Price Corporate Income Fund | -0.95% | 11.87% | 3.20% | 8.81% | -17.71% | -0.76% | 7.87% | 15.77% | -3.05% | 6.58% |
Returns By Period
In the year-to-date period, MFBFX achieves a -1.25% return, which is significantly lower than PRPIX's -0.95% return. Over the past 10 years, MFBFX has underperformed PRPIX with an annualized return of 2.39%, while PRPIX has yielded a comparatively higher 2.89% annualized return.
MFBFX
- 1D
- 0.49%
- 1M
- -2.69%
- YTD
- -1.25%
- 6M
- -0.67%
- 1Y
- 3.70%
- 3Y*
- 3.96%
- 5Y*
- -0.01%
- 10Y*
- 2.39%
PRPIX
- 1D
- 0.50%
- 1M
- -2.80%
- YTD
- -0.95%
- 6M
- 1.06%
- 1Y
- 8.14%
- 3Y*
- 6.22%
- 5Y*
- 1.16%
- 10Y*
- 2.89%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
MFBFX vs. PRPIX - Expense Ratio Comparison
MFBFX has a 0.76% expense ratio, which is higher than PRPIX's 0.56% expense ratio.
Return for Risk
MFBFX vs. PRPIX — Risk / Return Rank
MFBFX
PRPIX
MFBFX vs. PRPIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for MFS Corporate Bond Fund (MFBFX) and T. Rowe Price Corporate Income Fund (PRPIX). 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.
| MFBFX | PRPIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.94 | 1.83 | -0.89 |
Sortino ratioReturn per unit of downside risk | 1.32 | 2.64 | -1.32 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.33 | -0.17 |
Calmar ratioReturn relative to maximum drawdown | 1.48 | 2.54 | -1.06 |
Martin ratioReturn relative to average drawdown | 4.84 | 9.06 | -4.22 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| MFBFX | PRPIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.94 | 1.83 | -0.89 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.00 | 0.18 | -0.18 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.42 | 0.48 | -0.06 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.47 | 0.87 | -0.39 |
Correlation
The correlation between MFBFX and PRPIX 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
MFBFX vs. PRPIX - Dividend Comparison
MFBFX's dividend yield for the trailing twelve months is around 4.27%, less than PRPIX's 8.71% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MFBFX MFS Corporate Bond Fund | 4.27% | 4.54% | 3.74% | 3.16% | 2.46% | 5.61% | 3.47% | 3.01% | 3.15% | 3.07% | 3.27% | 4.16% |
PRPIX T. Rowe Price Corporate Income Fund | 8.71% | 8.26% | 5.18% | 4.13% | 2.42% | 5.61% | 3.82% | 5.47% | 3.47% | 3.95% | 3.20% | 4.23% |
Drawdowns
MFBFX vs. PRPIX - Drawdown Comparison
The maximum MFBFX drawdown since its inception was -29.78%, which is greater than PRPIX's maximum drawdown of -24.24%. Use the drawdown chart below to compare losses from any high point for MFBFX and PRPIX.
Loading graphics...
Drawdown Indicators
| MFBFX | PRPIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -29.78% | -24.24% | -5.54% |
Max Drawdown (1Y)Largest decline over 1 year | -3.23% | -3.59% | +0.36% |
Max Drawdown (5Y)Largest decline over 5 years | -23.44% | -24.24% | +0.80% |
Max Drawdown (10Y)Largest decline over 10 years | -23.44% | -24.24% | +0.80% |
Current DrawdownCurrent decline from peak | -4.75% | -2.80% | -1.95% |
Average DrawdownAverage peak-to-trough decline | -6.20% | -3.21% | -2.99% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.99% | 1.01% | -0.02% |
Volatility
MFBFX vs. PRPIX - Volatility Comparison
MFS Corporate Bond Fund (MFBFX) and T. Rowe Price Corporate Income Fund (PRPIX) have volatilities of 1.72% and 1.72%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| MFBFX | PRPIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.72% | 1.72% | 0.00% |
Volatility (6M)Calculated over the trailing 6-month period | 2.71% | 2.92% | -0.21% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.59% | 4.78% | -0.19% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.38% | 6.57% | -0.19% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.72% | 6.01% | -0.29% |