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MFBFX vs. FXNAX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between MFBFX and FXNAX is -0.05. 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.


-0.50.00.51.0
Correlation: -0.0

Performance

MFBFX vs. FXNAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Corporate Bond Fund (MFBFX) and Fidelity U.S. Bond Index Fund (FXNAX). The values are adjusted to include any dividend payments, if applicable.

25.00%30.00%35.00%40.00%45.00%50.00%December2025FebruaryMarchAprilMay
45.87%
29.69%
MFBFX
FXNAX

Key characteristics

Sharpe Ratio

MFBFX:

1.12

FXNAX:

0.97

Sortino Ratio

MFBFX:

1.65

FXNAX:

1.45

Omega Ratio

MFBFX:

1.20

FXNAX:

1.17

Calmar Ratio

MFBFX:

0.40

FXNAX:

0.38

Martin Ratio

MFBFX:

3.17

FXNAX:

2.37

Ulcer Index

MFBFX:

1.96%

FXNAX:

2.17%

Daily Std Dev

MFBFX:

5.55%

FXNAX:

5.31%

Max Drawdown

MFBFX:

-25.56%

FXNAX:

-19.64%

Current Drawdown

MFBFX:

-10.64%

FXNAX:

-8.59%

Returns By Period

In the year-to-date period, MFBFX achieves a 0.89% return, which is significantly lower than FXNAX's 1.67% return. Over the past 10 years, MFBFX has outperformed FXNAX with an annualized return of 1.94%, while FXNAX has yielded a comparatively lower 1.30% annualized return.


MFBFX

YTD

0.89%

1M

-1.37%

6M

0.75%

1Y

4.88%

5Y*

-0.53%

10Y*

1.94%

FXNAX

YTD

1.67%

1M

-1.53%

6M

1.57%

1Y

5.14%

5Y*

-1.21%

10Y*

1.30%

*Annualized

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MFBFX vs. FXNAX - Expense Ratio Comparison

MFBFX has a 0.76% expense ratio, which is higher than FXNAX's 0.03% expense ratio.


Expense ratio chart for MFBFX: current value is 0.76%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
MFBFX: 0.76%
Expense ratio chart for FXNAX: current value is 0.03%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
FXNAX: 0.03%

Risk-Adjusted Performance

MFBFX vs. FXNAX — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MFBFX
The Risk-Adjusted Performance Rank of MFBFX is 6868
Overall Rank
The Sharpe Ratio Rank of MFBFX is 7777
Sharpe Ratio Rank
The Sortino Ratio Rank of MFBFX is 7878
Sortino Ratio Rank
The Omega Ratio Rank of MFBFX is 7373
Omega Ratio Rank
The Calmar Ratio Rank of MFBFX is 4646
Calmar Ratio Rank
The Martin Ratio Rank of MFBFX is 6767
Martin Ratio Rank

FXNAX
The Risk-Adjusted Performance Rank of FXNAX is 6262
Overall Rank
The Sharpe Ratio Rank of FXNAX is 7272
Sharpe Ratio Rank
The Sortino Ratio Rank of FXNAX is 7373
Sortino Ratio Rank
The Omega Ratio Rank of FXNAX is 6464
Omega Ratio Rank
The Calmar Ratio Rank of FXNAX is 4545
Calmar Ratio Rank
The Martin Ratio Rank of FXNAX is 5656
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

MFBFX vs. FXNAX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Corporate Bond Fund (MFBFX) and Fidelity U.S. Bond Index Fund (FXNAX). 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.


The chart of Sharpe ratio for MFBFX, currently valued at 0.89, compared to the broader market-2.00-1.000.001.002.003.00
MFBFX: 0.89
FXNAX: 0.97
The chart of Sortino ratio for MFBFX, currently valued at 1.32, compared to the broader market-2.000.002.004.006.008.00
MFBFX: 1.32
FXNAX: 1.45
The chart of Omega ratio for MFBFX, currently valued at 1.16, compared to the broader market0.501.001.502.002.503.00
MFBFX: 1.16
FXNAX: 1.17
The chart of Calmar ratio for MFBFX, currently valued at 0.32, compared to the broader market0.002.004.006.008.0010.00
MFBFX: 0.32
FXNAX: 0.38
The chart of Martin ratio for MFBFX, currently valued at 2.49, compared to the broader market0.0010.0020.0030.0040.00
MFBFX: 2.49
FXNAX: 2.37

The current MFBFX Sharpe Ratio is 1.12, which is comparable to the FXNAX Sharpe Ratio of 0.97. The chart below compares the historical Sharpe Ratios of MFBFX and FXNAX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.000.501.001.502.00December2025FebruaryMarchAprilMay
0.89
0.97
MFBFX
FXNAX

Dividends

MFBFX vs. FXNAX - Dividend Comparison

MFBFX's dividend yield for the trailing twelve months is around 4.16%, more than FXNAX's 3.16% yield.


TTM20242023202220212020201920182017201620152014
MFBFX
MFS Corporate Bond Fund
4.16%4.48%3.83%3.19%2.52%2.57%3.03%3.16%3.08%3.27%3.87%3.61%
FXNAX
Fidelity U.S. Bond Index Fund
3.16%3.40%2.91%2.43%2.06%3.07%2.67%2.73%2.58%2.54%2.75%2.59%

Drawdowns

MFBFX vs. FXNAX - Drawdown Comparison

The maximum MFBFX drawdown since its inception was -25.56%, which is greater than FXNAX's maximum drawdown of -19.64%. Use the drawdown chart below to compare losses from any high point for MFBFX and FXNAX. For additional features, visit the drawdowns tool.


-13.00%-12.00%-11.00%-10.00%-9.00%-8.00%-7.00%December2025FebruaryMarchAprilMay
-10.64%
-8.59%
MFBFX
FXNAX

Volatility

MFBFX vs. FXNAX - Volatility Comparison

MFS Corporate Bond Fund (MFBFX) has a higher volatility of 2.34% compared to Fidelity U.S. Bond Index Fund (FXNAX) at 2.01%. This indicates that MFBFX's price experiences larger fluctuations and is considered to be riskier than FXNAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


1.20%1.40%1.60%1.80%2.00%2.20%2.40%December2025FebruaryMarchAprilMay
2.34%
2.01%
MFBFX
FXNAX