MFBFX vs. VTSAX
Compare and contrast key facts about MFS Corporate Bond Fund (MFBFX) and Vanguard Total Stock Market Index Fund Admiral Shares (VTSAX).
MFBFX is managed by MFS. It was launched on May 8, 1974. VTSAX is managed by Vanguard. It was launched on Nov 13, 2000.
Performance
MFBFX vs. VTSAX - Performance Comparison
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MFBFX vs. VTSAX - 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% |
VTSAX Vanguard Total Stock Market Index Fund Admiral Shares | -6.75% | 17.12% | 23.23% | 26.51% | -19.52% | 25.72% | 20.98% | 30.79% | -5.18% | 21.16% |
Returns By Period
In the year-to-date period, MFBFX achieves a -1.25% return, which is significantly higher than VTSAX's -6.75% return. Over the past 10 years, MFBFX has underperformed VTSAX with an annualized return of 2.39%, while VTSAX has yielded a comparatively higher 13.27% 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%
VTSAX
- 1D
- -0.46%
- 1M
- -7.71%
- YTD
- -6.75%
- 6M
- -4.47%
- 1Y
- 14.76%
- 3Y*
- 16.69%
- 5Y*
- 10.11%
- 10Y*
- 13.27%
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MFBFX vs. VTSAX - Expense Ratio Comparison
MFBFX has a 0.76% expense ratio, which is higher than VTSAX's 0.04% expense ratio.
Return for Risk
MFBFX vs. VTSAX — Risk / Return Rank
MFBFX
VTSAX
MFBFX vs. VTSAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for MFS Corporate Bond Fund (MFBFX) and Vanguard Total Stock Market Index Fund Admiral Shares (VTSAX). 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 | VTSAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.94 | 0.84 | +0.10 |
Sortino ratioReturn per unit of downside risk | 1.32 | 1.29 | +0.02 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.20 | -0.03 |
Calmar ratioReturn relative to maximum drawdown | 1.48 | 1.05 | +0.43 |
Martin ratioReturn relative to average drawdown | 4.84 | 5.08 | -0.24 |
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
| MFBFX | VTSAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.94 | 0.84 | +0.10 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.00 | 0.59 | -0.59 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.42 | 0.72 | -0.31 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.47 | 0.43 | +0.04 |
Correlation
The correlation between MFBFX and VTSAX is -0.09. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.
Dividends
MFBFX vs. VTSAX - Dividend Comparison
MFBFX's dividend yield for the trailing twelve months is around 4.27%, more than VTSAX's 1.20% 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% |
VTSAX Vanguard Total Stock Market Index Fund Admiral Shares | 1.20% | 1.11% | 1.26% | 1.42% | 1.65% | 1.20% | 1.41% | 1.76% | 2.03% | 1.71% | 1.92% | 1.98% |
Drawdowns
MFBFX vs. VTSAX - Drawdown Comparison
The maximum MFBFX drawdown since its inception was -29.78%, smaller than the maximum VTSAX drawdown of -55.33%. Use the drawdown chart below to compare losses from any high point for MFBFX and VTSAX.
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Drawdown Indicators
| MFBFX | VTSAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -29.78% | -55.33% | +25.55% |
Max Drawdown (1Y)Largest decline over 1 year | -3.23% | -12.41% | +9.18% |
Max Drawdown (5Y)Largest decline over 5 years | -23.44% | -25.36% | +1.92% |
Max Drawdown (10Y)Largest decline over 10 years | -23.44% | -34.97% | +11.53% |
Current DrawdownCurrent decline from peak | -4.75% | -8.92% | +4.17% |
Average DrawdownAverage peak-to-trough decline | -6.20% | -9.06% | +2.86% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.99% | 2.56% | -1.57% |
Volatility
MFBFX vs. VTSAX - Volatility Comparison
The current volatility for MFS Corporate Bond Fund (MFBFX) is 1.72%, while Vanguard Total Stock Market Index Fund Admiral Shares (VTSAX) has a volatility of 4.39%. This indicates that MFBFX experiences smaller price fluctuations and is considered to be less risky than VTSAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MFBFX | VTSAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.72% | 4.39% | -2.67% |
Volatility (6M)Calculated over the trailing 6-month period | 2.71% | 9.33% | -6.62% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.59% | 18.42% | -13.83% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.38% | 17.32% | -10.94% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.72% | 18.37% | -12.65% |