MWOFX vs. MITTX

Last updated Aug 5, 2026

MWOFX (MFS Global Growth Fund) and MITTX (MFS Massachusetts Investors Trust) are both mutual funds - MWOFX is a Global Equities fund managed by MFS, while MITTX is a Large Cap Blend Equities fund managed by MFS. Over the past 10 years, MWOFX returned 10.39%/yr vs 13.29%/yr for MITTX. Their correlation of 0.86 means they have usually moved in the same direction. MWOFX charges 1.22%/yr vs 0.70%/yr for MITTX.

Performance

MWOFX vs. MITTX - Performance Comparison

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

Returns By Period

In the year-to-date period, MWOFX achieves a 1.04% return, which is significantly lower than MITTX's 9.45% return. Over the past 10 years, MWOFX has underperformed MITTX with an annualized return of 10.39%, while MITTX has yielded a comparatively higher 13.29% annualized return.

MWOFX

• 1D: 1.43%
• 1M: 3.54%
• 6M: 3.15%
• YTD: 1.04%
• 1Y: 3.80%
• 3Y*: 7.96%
• 5Y*: 3.93%
• 10Y*: 10.39%
• ALL TIME*: 8.52%

MITTX

• 1D: 1.35%
• 1M: 2.23%
• 6M: 6.81%
• YTD: 9.45%
• 1Y: 15.63%
• 3Y*: 16.74%
• 5Y*: 9.44%
• 10Y*: 13.29%
• ALL TIME*: 7.53%

*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)
MITTX MFS Massachusetts Investors Trust	$0.00	$0.00	$0.00
MWOFX MFS Global Growth Fund	$0.00	$0.00	$0.00

MWOFX vs. MITTX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MWOFX MFS Global Growth Fund	1.04%	7.17%	10.68%	20.63%	-19.28%	18.33%	20.23%	35.37%	-4.94%	31.13%
MITTX MFS Massachusetts Investors Trust	9.45%	13.67%	19.69%	19.26%	-16.27%	26.73%	18.72%	31.92%	-5.56%	23.55%

Correlation

The correlation between MWOFX and MITTX is 0.86, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.86
Correlation (3Y) Balances recent behavior with more history.	0.91
Correlation (5Y) Shows whether the relationship held over a longer period.	0.94
Correlation (10Y) Provides a long-term view across more market conditions.	0.93
Correlation (All Time) Calculated using the full available price history since Nov 18, 1993	0.86

The correlation between MWOFX and MITTX has been stable across timeframes, ranging from 0.86 to 0.94 - a consistent structural relationship.

Return for Risk

MWOFX vs. MITTX — Risk / Return Rank

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

MWOFX

MWOFX Risk / Return Rank: 8
MWOFX Sharpe Ratio Rank: 9
MWOFX Sortino Ratio Rank: 9
MWOFX Omega Ratio Rank: 9
MWOFX Calmar Ratio Rank: 7
MWOFX Martin Ratio Rank: 8

MITTX

MITTX Risk / Return Rank: 44
MITTX Sharpe Ratio Rank: 45
MITTX Sortino Ratio Rank: 43
MITTX Omega Ratio Rank: 43
MITTX Calmar Ratio Rank: 39
MITTX Martin Ratio Rank: 49

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.

MWOFX vs. MITTX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Global Growth Fund (MWOFX) and MFS Massachusetts Investors Trust (MITTX). 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.

	MWOFX	MITTX	Difference
Sharpe ratio: Return per unit of total volatility	0.41	1.43	-1.02
Sortino ratio: Return per unit of downside risk	0.66	2.02	-1.36
Omega ratio: Gain probability vs. loss probability	1.08	1.26	-0.18
Calmar ratio: Return relative to maximum drawdown	0.38	1.77	-1.39
Martin ratio: Return relative to average drawdown	1.06	7.45	-6.39

MWOFX vs. MITTX - Sharpe Ratio Comparison

The current MWOFX Sharpe Ratio is 0.41, which is lower than the MITTX Sharpe Ratio of 1.43. The chart below compares the historical Sharpe Ratios of MWOFX and MITTX, 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

MWOFX vs. MITTX - Drawdown Comparison

The maximum MWOFX drawdown since its inception was -56.10%, which is greater than MITTX's maximum drawdown of -49.54%. Use the drawdown chart below to compare losses from any high point for MWOFX and MITTX.

Drawdown Indicators

	MWOFX	MITTX	Difference
Max Drawdown Largest peak-to-trough decline	-56.10%	-49.54%	-6.56%
Max Drawdown (1Y) Largest decline over 1 year	-13.82%	-9.76%	-4.06%
Max Drawdown (3Y) Largest decline over 3 years	-16.45%	-16.10%	-0.35%
Max Drawdown (5Y) Largest decline over 5 years	-27.64%	-23.27%	-4.37%
Max Drawdown (10Y) Largest decline over 10 years	-31.68%	-33.45%	+1.77%
Current Drawdown Current decline from peak	-1.39%	0.00%	-1.39%
Average Drawdown Average peak-to-trough decline	-11.88%	-10.51%	-1.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.91%	2.32%	+2.59%

Volatility

MWOFX vs. MITTX - Volatility Comparison

MFS Global Growth Fund (MWOFX) and MFS Massachusetts Investors Trust (MITTX) have volatilities of 3.35% and 3.44%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MWOFX	MITTX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.35%	3.44%	-0.09%
Volatility (6M) Calculated over the trailing 6-month period	10.23%	9.49%	+0.74%
Volatility (1Y) Calculated over the trailing 1-year period	12.60%	12.07%	+0.53%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.90%	15.80%	+0.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.54%	17.19%	-0.65%

MWOFX vs. MITTX - Expense Ratio Comparison

MWOFX has a 1.22% expense ratio, which is higher than MITTX's 0.70% expense ratio.

Dividends

MWOFX vs. MITTX - Dividend Comparison

MWOFX's dividend yield for the trailing twelve months is around 5.37%, less than MITTX's 10.88% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MITTX MFS Massachusetts Investors Trust	10.88%	14.33%	14.47%	10.96%	9.35%	8.66%	8.14%	7.58%	13.49%	7.27%	5.55%	6.02%
MWOFX MFS Global Growth Fund	5.37%	5.42%	5.14%	2.09%	3.60%	6.25%	3.13%	1.86%	5.00%	3.43%	1.68%	6.08%

Frequently Asked Questions

Can I hold both MWOFX and MITTX in my portfolio?

MWOFX and MITTX have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MWOFX or MITTX?

MITTX has higher volatility (3.44%) compared to MWOFX (3.35%). In terms of maximum drawdown, MWOFX dropped -56.10% vs MITTX's -49.54%.

Which has better risk-adjusted returns?

MITTX currently has the higher Sharpe Ratio (1.43 vs 0.41), 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.