MITTX vs. MIEIX

Last updated Aug 1, 2026

MITTX (MFS Massachusetts Investors Trust) and MIEIX (MFS International Equity Fund Class R6) are both mutual funds - MITTX is a Large Cap Blend Equities fund managed by MFS, while MIEIX is a Foreign Large Cap Equities fund managed by MFS. Over the past 10 years, MITTX returned 13.25%/yr vs 10.24%/yr for MIEIX. Their 0.66 correlation means they have sometimes moved together and sometimes differently. MITTX charges 0.70%/yr vs 0.64%/yr for MIEIX.

Performance

MITTX vs. MIEIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Massachusetts Investors Trust (MITTX) and MFS International Equity Fund Class R6 (MIEIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MITTX achieves a 8.24% return, which is significantly lower than MIEIX's 8.67% return. Over the past 10 years, MITTX has outperformed MIEIX with an annualized return of 13.25%, while MIEIX has yielded a comparatively lower 10.24% annualized return.

MITTX

• 1D: 1.66%
• 1M: 1.10%
• 6M: 5.46%
• YTD: 8.24%
• 1Y: 15.92%
• 3Y*: 15.27%
• 5Y*: 9.15%
• 10Y*: 13.25%
• ALL TIME*: 7.50%

MIEIX

• 1D: 2.06%
• 1M: 3.67%
• 6M: 7.12%
• YTD: 8.67%
• 1Y: 17.91%
• 3Y*: 12.63%
• 5Y*: 8.20%
• 10Y*: 10.24%
• ALL TIME*: 8.23%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
MIEIX MFS International Equity Fund Class R6	$0.00	$0.00	$0.00
MITTX MFS Massachusetts Investors Trust	$0.00	$0.00	$0.00

MITTX vs. MIEIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MITTX MFS Massachusetts Investors Trust	8.24%	13.67%	19.69%	19.26%	-16.27%	26.73%	18.72%	31.92%	-5.56%	23.55%
MIEIX MFS International Equity Fund Class R6	8.67%	23.22%	4.13%	19.06%	-14.82%	15.13%	11.11%	28.42%	-10.66%	28.01%

Correlation

The correlation between MITTX and MIEIX is 0.72, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.72
Correlation (3Y) Balances recent behavior with more history.	0.69
Correlation (5Y) Shows whether the relationship held over a longer period.	0.74
Correlation (10Y) Provides a long-term view across more market conditions.	0.74
Correlation (All Time) Calculated using the full available price history since Jan 30, 1996	0.66

The correlation between MITTX and MIEIX has been stable across timeframes, ranging from 0.66 to 0.74 - a consistent structural relationship.

Return for Risk

MITTX vs. MIEIX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

MITTX

MITTX Risk / Return Rank: 39
MITTX Sharpe Ratio Rank: 40
MITTX Sortino Ratio Rank: 38
MITTX Omega Ratio Rank: 38
MITTX Calmar Ratio Rank: 34
MITTX Martin Ratio Rank: 43

MIEIX

MIEIX Risk / Return Rank: 40
MIEIX Sharpe Ratio Rank: 43
MIEIX Sortino Ratio Rank: 43
MIEIX Omega Ratio Rank: 42
MIEIX Calmar Ratio Rank: 34
MIEIX Martin Ratio Rank: 36

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

MITTX vs. MIEIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Massachusetts Investors Trust (MITTX) and MFS International Equity Fund Class R6 (MIEIX). 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.

	MITTX	MIEIX	Difference
Sharpe ratio: Return per unit of total volatility	1.16	1.20	-0.04
Sortino ratio: Return per unit of downside risk	1.65	1.75	-0.10
Omega ratio: Gain probability vs. loss probability	1.21	1.22	-0.01
Calmar ratio: Return relative to maximum drawdown	1.44	1.42	+0.02
Martin ratio: Return relative to average drawdown	6.05	5.14	+0.91

MITTX vs. MIEIX - Sharpe Ratio Comparison

The current MITTX Sharpe Ratio is 1.16, which is comparable to the MIEIX Sharpe Ratio of 1.20. The chart below compares the historical Sharpe Ratios of MITTX and MIEIX, 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

MITTX vs. MIEIX - Drawdown Comparison

The maximum MITTX drawdown since its inception was -49.54%, smaller than the maximum MIEIX drawdown of -53.13%. Use the drawdown chart below to compare losses from any high point for MITTX and MIEIX.

Drawdown Indicators

	MITTX	MIEIX	Difference
Max Drawdown Largest peak-to-trough decline	-49.54%	-53.13%	+3.59%
Max Drawdown (1Y) Largest decline over 1 year	-9.76%	-11.26%	+1.50%
Max Drawdown (3Y) Largest decline over 3 years	-16.10%	-13.43%	-2.67%
Max Drawdown (5Y) Largest decline over 5 years	-23.27%	-28.07%	+4.80%
Max Drawdown (10Y) Largest decline over 10 years	-33.45%	-31.35%	-2.10%
Current Drawdown Current decline from peak	-1.11%	0.00%	-1.11%
Average Drawdown Average peak-to-trough decline	-10.51%	-8.94%	-1.57%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.32%	3.11%	-0.79%

Volatility

MITTX vs. MIEIX - Volatility Comparison

The current volatility for MFS Massachusetts Investors Trust (MITTX) is 3.18%, while MFS International Equity Fund Class R6 (MIEIX) has a volatility of 3.74%. This indicates that MITTX experiences smaller price fluctuations and is considered to be less risky than MIEIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MITTX	MIEIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.18%	3.74%	-0.56%
Volatility (6M) Calculated over the trailing 6-month period	9.44%	10.93%	-1.49%
Volatility (1Y) Calculated over the trailing 1-year period	12.09%	13.32%	-1.23%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.79%	15.39%	+0.40%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.18%	15.67%	+1.51%

MITTX vs. MIEIX - Expense Ratio Comparison

MITTX has a 0.70% expense ratio, which is higher than MIEIX's 0.64% expense ratio.

Dividends

MITTX vs. MIEIX - Dividend Comparison

MITTX's dividend yield for the trailing twelve months is around 11.01%, more than MIEIX's 2.46% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MIEIX MFS International Equity Fund Class R6	2.46%	2.68%	1.47%	1.67%	1.26%	5.40%	1.00%	3.12%	1.63%	1.85%	1.78%	1.71%
MITTX MFS Massachusetts Investors Trust	11.01%	14.33%	14.47%	10.96%	9.35%	8.66%	8.14%	7.58%	13.49%	7.27%	5.55%	6.02%

Frequently Asked Questions

Can I hold both MITTX and MIEIX in my portfolio?

MITTX and MIEIX have a correlation of 0.72, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MITTX or MIEIX?

MIEIX has higher volatility (3.74%) compared to MITTX (3.18%). In terms of maximum drawdown, MITTX dropped -49.54% vs MIEIX's -53.13%.

Which has better risk-adjusted returns?

MIEIX currently has the higher Sharpe Ratio (1.20 vs 1.16), 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.