MFEIX vs. MISSX

Last updated Jun 24, 2026

MFEIX (MFS Growth I) and MISSX (MFS Mississippi Municipal Bond Fund) are both mutual funds - MFEIX is a Large Cap Growth Equities fund managed by MFS, while MISSX is a Municipal Bonds fund managed by MFS. Over the past 10 years, MFEIX returned 17.81%/yr vs 1.58%/yr for MISSX. At a correlation of -0.06, they often move in opposite directions. MFEIX charges 0.60%/yr vs 0.85%/yr for MISSX.

Performance

MFEIX vs. MISSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Growth I (MFEIX) and MFS Mississippi Municipal Bond Fund (MISSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MFEIX achieves a 3.70% return, which is significantly higher than MISSX's 1.99% return. Over the past 10 years, MFEIX has outperformed MISSX with an annualized return of 17.81%, while MISSX has yielded a comparatively lower 1.58% annualized return.

MFEIX

• 1D: -1.47%
• 1M: -0.14%
• YTD: 3.70%
• 6M: 2.62%
• 1Y: 13.33%
• 3Y*: 24.98%
• 5Y*: 12.61%
• 10Y*: 17.81%

MISSX

• 1D: -0.11%
• 1M: 2.00%
• YTD: 1.99%
• 6M: 2.40%
• 1Y: 7.61%
• 3Y*: 3.67%
• 5Y*: 0.51%
• 10Y*: 1.58%

*Multi-year figures are annualized to reflect compound growth (CAGR)

MFEIX vs. MISSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MFEIX MFS Growth I	3.70%	12.34%	49.67%	36.15%	-31.14%	23.59%	31.65%	37.69%	2.30%	30.86%
MISSX MFS Mississippi Municipal Bond Fund	1.99%	4.94%	1.62%	4.40%	-10.37%	1.95%	4.25%	6.82%	1.04%	4.07%

Correlation

The correlation between MFEIX and MISSX is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.12
Correlation (3Y) Calculated over the trailing 3-year period	0.07
Correlation (5Y) Calculated over the trailing 5-year period	0.10
Correlation (10Y) Calculated over the trailing 10-year period	0.06
Correlation (All Time) Calculated using the full available price history since Dec 31, 1996	-0.06

The correlation between MFEIX and MISSX shifts across timeframes, from -0.06 (all time) to 0.12 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

MFEIX vs. MISSX — Risk / Return Rank

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

MFEIX

MFEIX Risk / Return Rank: 11
MFEIX Sharpe Ratio Rank: 11
MFEIX Sortino Ratio Rank: 11
MFEIX Omega Ratio Rank: 11
MFEIX Calmar Ratio Rank: 9
MFEIX Martin Ratio Rank: 10

MISSX

MISSX Risk / Return Rank: 69
MISSX Sharpe Ratio Rank: 79
MISSX Sortino Ratio Rank: 88
MISSX Omega Ratio Rank: 88
MISSX Calmar Ratio Rank: 47
MISSX Martin Ratio Rank: 43

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

MFEIX vs. MISSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Growth I (MFEIX) and MFS Mississippi Municipal Bond Fund (MISSX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	MFEIX	MISSX	Difference
Sharpe ratio: Return per unit of total volatility	0.87	2.42	-1.55
Sortino ratio: Return per unit of downside risk	1.27	3.92	-2.66
Omega ratio: Gain probability vs. loss probability	1.16	1.58	-0.43
Calmar ratio: Return relative to maximum drawdown	0.84	2.50	-1.66
Martin ratio: Return relative to average drawdown	2.71	8.63	-5.92

MFEIX vs. MISSX - Sharpe Ratio Comparison

The current MFEIX Sharpe Ratio is 0.87, which is lower than the MISSX Sharpe Ratio of 2.42. The chart below compares the historical Sharpe Ratios of MFEIX and MISSX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

MFEIX vs. MISSX - Drawdown Comparison

The maximum MFEIX drawdown since its inception was -72.24%, which is greater than MISSX's maximum drawdown of -15.13%. Use the drawdown chart below to compare losses from any high point for MFEIX and MISSX.

Drawdown Indicators

	MFEIX	MISSX	Difference
Max Drawdown Largest peak-to-trough decline	-72.24%	-15.13%	-57.11%
Max Drawdown (1Y) Largest decline over 1 year	-17.30%	-3.10%	-14.20%
Max Drawdown (3Y) Largest decline over 3 years	-23.24%	-6.56%	-16.68%
Max Drawdown (5Y) Largest decline over 5 years	-36.11%	-15.13%	-20.98%
Max Drawdown (10Y) Largest decline over 10 years	-36.11%	-15.13%	-20.98%
Current Drawdown Current decline from peak	-2.77%	-0.11%	-2.66%
Average Drawdown Average peak-to-trough decline	-23.69%	-2.05%	-21.64%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.37%	0.90%	+4.47%

Volatility

MFEIX vs. MISSX - Volatility Comparison

MFS Growth I (MFEIX) has a higher volatility of 6.54% compared to MFS Mississippi Municipal Bond Fund (MISSX) at 0.92%. This indicates that MFEIX's price experiences larger fluctuations and is considered to be riskier than MISSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MFEIX	MISSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.54%	0.92%	+5.62%
Volatility (6M) Calculated over the trailing 6-month period	13.39%	2.34%	+11.05%
Volatility (1Y) Calculated over the trailing 1-year period	16.83%	3.22%	+13.61%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.04%	4.29%	+17.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.33%	4.12%	+17.21%

MFEIX vs. MISSX - Expense Ratio Comparison

MFEIX has a 0.60% expense ratio, which is lower than MISSX's 0.85% expense ratio.

Dividends

MFEIX vs. MISSX - Dividend Comparison

MFEIX's dividend yield for the trailing twelve months is around 14.46%, more than MISSX's 3.40% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MFEIX MFS Growth I	14.46%	14.99%	25.47%	4.86%	1.05%	2.76%	3.57%	1.57%	3.78%	2.50%	1.61%	3.65%
MISSX MFS Mississippi Municipal Bond Fund	3.40%	4.40%	2.74%	2.24%	1.81%	1.93%	2.40%	3.25%	3.23%	3.27%	3.47%	3.76%

Frequently Asked Questions

Can I hold both MFEIX and MISSX in my portfolio?

MFEIX and MISSX have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MFEIX or MISSX?

MFEIX has higher volatility (6.54%) compared to MISSX (0.92%). In terms of maximum drawdown, MFEIX dropped -72.24% vs MISSX's -15.13%.

Which has better risk-adjusted returns?

MISSX currently has the higher Sharpe Ratio (2.42 vs 0.87), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.