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MFIOX vs. SPAXX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between MFIOX and SPAXX is -0.02. 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

MFIOX vs. SPAXX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Income Fund (MFIOX) and Fidelity Government Money Market Fund (SPAXX). The values are adjusted to include any dividend payments, if applicable.

0.00%50.00%100.00%150.00%200.00%December2025FebruaryMarchAprilMay
186.57%
13.58%
MFIOX
SPAXX

Key characteristics

Sharpe Ratio

MFIOX:

1.26

SPAXX:

3.04

Ulcer Index

MFIOX:

1.70%

SPAXX:

0.00%

Daily Std Dev

MFIOX:

5.16%

SPAXX:

1.28%

Max Drawdown

MFIOX:

-41.67%

SPAXX:

0.00%

Current Drawdown

MFIOX:

-5.28%

SPAXX:

0.00%

Returns By Period

In the year-to-date period, MFIOX achieves a 1.42% return, which is significantly higher than SPAXX's 0.65% return. Over the past 10 years, MFIOX has outperformed SPAXX with an annualized return of 2.29%, while SPAXX has yielded a comparatively lower 1.28% annualized return.


MFIOX

YTD

1.42%

1M

-1.51%

6M

1.25%

1Y

5.42%

5Y*

1.05%

10Y*

2.29%

SPAXX

YTD

0.65%

1M

0.00%

6M

1.37%

1Y

3.90%

5Y*

2.31%

10Y*

1.28%

*Annualized

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MFIOX vs. SPAXX - Expense Ratio Comparison


Expense ratio chart for MFIOX: current value is 0.73%, compared with the broader market range of 0.00% to 2.12%.0.50%1.00%1.50%2.00%
MFIOX: 0.73%

Risk-Adjusted Performance

MFIOX vs. SPAXX — Risk-Adjusted Performance Rank

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

MFIOX
The Risk-Adjusted Performance Rank of MFIOX is 7676
Overall Rank
The Sharpe Ratio Rank of MFIOX is 8181
Sharpe Ratio Rank
The Sortino Ratio Rank of MFIOX is 8383
Sortino Ratio Rank
The Omega Ratio Rank of MFIOX is 7979
Omega Ratio Rank
The Calmar Ratio Rank of MFIOX is 6363
Calmar Ratio Rank
The Martin Ratio Rank of MFIOX is 7676
Martin Ratio Rank

SPAXX
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.

MFIOX vs. SPAXX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Income Fund (MFIOX) and Fidelity Government Money Market Fund (SPAXX). 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 MFIOX, currently valued at 1.02, compared to the broader market-2.00-1.000.001.002.003.00
MFIOX: 1.02
SPAXX: 3.04
The chart of Sortino ratio for MFIOX, currently valued at 1.54, compared to the broader market-2.000.002.004.006.008.00
MFIOX: 1.54
The chart of Omega ratio for MFIOX, currently valued at 1.18, compared to the broader market0.501.001.502.002.503.00
MFIOX: 1.18
The chart of Calmar ratio for MFIOX, currently valued at 0.49, compared to the broader market0.002.004.006.008.0010.00
MFIOX: 0.49
The chart of Martin ratio for MFIOX, currently valued at 3.07, compared to the broader market0.0010.0020.0030.0040.00
MFIOX: 3.07

The current MFIOX Sharpe Ratio is 1.26, which is lower than the SPAXX Sharpe Ratio of 3.04. The chart below compares the historical Sharpe Ratios of MFIOX and SPAXX, 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 Ratio0.001.002.003.004.00December2025FebruaryMarchAprilMay
1.02
3.04
MFIOX
SPAXX

Dividends

MFIOX vs. SPAXX - Dividend Comparison

MFIOX's dividend yield for the trailing twelve months is around 4.64%, more than SPAXX's 4.15% yield.


TTM20242023202220212020201920182017201620152014
MFIOX
MFS Income Fund
4.64%5.04%4.72%2.97%2.30%2.65%3.05%3.07%3.27%3.63%4.01%4.24%
SPAXX
Fidelity Government Money Market Fund
4.15%4.81%4.68%1.30%0.01%0.26%0.98%0.00%0.00%0.00%0.00%0.00%

Drawdowns

MFIOX vs. SPAXX - Drawdown Comparison

The maximum MFIOX drawdown since its inception was -41.67%, which is greater than SPAXX's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for MFIOX and SPAXX. For additional features, visit the drawdowns tool.


-8.00%-6.00%-4.00%-2.00%0.00%December2025FebruaryMarchAprilMay
-5.28%
0
MFIOX
SPAXX

Volatility

MFIOX vs. SPAXX - Volatility Comparison

MFS Income Fund (MFIOX) has a higher volatility of 1.99% compared to Fidelity Government Money Market Fund (SPAXX) at 0.00%. This indicates that MFIOX's price experiences larger fluctuations and is considered to be riskier than SPAXX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


0.00%0.50%1.00%1.50%2.00%December2025FebruaryMarchAprilMay
1.99%
0
MFIOX
SPAXX