MWOFX vs. MIGFX
MWOFX (MFS Global Growth Fund) and MIGFX (MFS Massachusetts Investors Growth Stock Fund) are both mutual funds - MWOFX is a Global Equities fund managed by MFS, while MIGFX is a Large Cap Growth Equities fund managed by MFS. Over the past 10 years, MWOFX returned 10.44%/yr vs 14.47%/yr for MIGFX. Their correlation of 0.89 suggests significant overlap in exposure. MWOFX charges 1.22%/yr vs 0.70%/yr for MIGFX.
Performance
MWOFX vs. MIGFX - Performance Comparison
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Returns By Period
In the year-to-date period, MWOFX achieves a -5.85% return, which is significantly lower than MIGFX's -5.25% return. Over the past 10 years, MWOFX has underperformed MIGFX with an annualized return of 10.44%, while MIGFX has yielded a comparatively higher 14.47% annualized return.
MWOFX
- 1D
- -1.29%
- 1M
- -2.16%
- YTD
- -5.85%
- 6M
- -6.63%
- 1Y
- -1.61%
- 3Y*
- 6.17%
- 5Y*
- 3.06%
- 10Y*
- 10.44%
MIGFX
- 1D
- -1.11%
- 1M
- -2.96%
- YTD
- -5.25%
- 6M
- -6.15%
- 1Y
- 2.64%
- 3Y*
- 13.12%
- 5Y*
- 8.52%
- 10Y*
- 14.47%
MWOFX vs. MIGFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MWOFX MFS Global Growth Fund | -5.85% | 7.17% | 10.68% | 20.63% | -19.28% | 18.33% | 20.23% | 35.37% | -4.94% | 31.13% |
MIGFX MFS Massachusetts Investors Growth Stock Fund | -5.25% | 9.97% | 27.25% | 24.13% | -19.20% | 26.06% | 22.55% | 39.89% | 0.81% | 28.68% |
Correlation
The correlation between MWOFX and MIGFX is 0.95 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.95 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.97 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.97 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.97 |
Correlation (All Time) Calculated using the full available price history since Nov 18, 1993 | 0.89 |
The correlation between MWOFX and MIGFX has been stable across timeframes, ranging from 0.89 to 0.97 - a consistent structural relationship.
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Return for Risk
MWOFX vs. MIGFX — Risk / Return Rank
MWOFX
MIGFX
MWOFX vs. MIGFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for MFS Global Growth Fund (MWOFX) and MFS Massachusetts Investors Growth Stock Fund (MIGFX). 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 | MIGFX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.33 | ||
| Sortino ratioReturn per unit of downside risk | -0.45 | ||
| Omega ratioGain probability vs. loss probability | 1.01 | 1.06 | -0.05 |
| Calmar ratioReturn relative to maximum drawdown | -0.03 | 0.28 | -0.31 |
| Martin ratioReturn relative to average drawdown | -0.07 | 0.91 | -0.99 |
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Drawdowns
MWOFX vs. MIGFX - Drawdown Comparison
The maximum MWOFX drawdown since its inception was -56.10%, smaller than the maximum MIGFX drawdown of -61.83%. Use the drawdown chart below to compare losses from any high point for MWOFX and MIGFX.
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Drawdown Indicators
| MWOFX | MIGFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -56.10% | -61.83% | +5.73% |
Max Drawdown (1Y)Largest decline over 1 year | -13.82% | -13.77% | -0.05% |
Max Drawdown (3Y)Largest decline over 3 years | -16.45% | -18.68% | +2.23% |
Max Drawdown (5Y)Largest decline over 5 years | -27.64% | -26.67% | -0.97% |
Max Drawdown (10Y)Largest decline over 10 years | -31.68% | -32.42% | +0.74% |
Current DrawdownCurrent decline from peak | -8.11% | -7.21% | -0.90% |
Average DrawdownAverage peak-to-trough decline | -11.90% | -18.94% | +7.04% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.65% | 4.29% | +0.36% |
Volatility
MWOFX vs. MIGFX - Volatility Comparison
The current volatility for MFS Global Growth Fund (MWOFX) is 4.33%, while MFS Massachusetts Investors Growth Stock Fund (MIGFX) has a volatility of 4.99%. This indicates that MWOFX experiences smaller price fluctuations and is considered to be less risky than MIGFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MWOFX | MIGFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.33% | 4.99% | -0.66% |
Volatility (6M)Calculated over the trailing 6-month period | 10.07% | 10.71% | -0.64% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.48% | 13.23% | -0.75% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.88% | 17.62% | -1.74% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.57% | 18.21% | -1.64% |
MWOFX vs. MIGFX - Expense Ratio Comparison
MWOFX has a 1.22% expense ratio, which is higher than MIGFX's 0.70% expense ratio.
Dividends
MWOFX vs. MIGFX - Dividend Comparison
MWOFX's dividend yield for the trailing twelve months is around 5.76%, less than MIGFX's 12.02% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MIGFX MFS Massachusetts Investors Growth Stock Fund | 12.02% | 11.39% | 17.15% | 4.11% | 4.49% | 10.47% | 7.43% | 7.39% | 10.76% | 6.87% | 5.12% | 6.51% |
MWOFX MFS Global Growth Fund | 5.76% | 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
With a correlation of 0.95, MWOFX and MIGFX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
MIGFX has higher volatility (4.99%) compared to MWOFX (4.33%). In terms of maximum drawdown, MWOFX dropped -56.10% vs MIGFX's -61.83%.
MIGFX currently has the higher Sharpe Ratio (0.30 vs -0.03), 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.
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