MWEBX vs. ACWV
MWEBX (MFS Global Equity Fund) and ACWV (iShares MSCI Global Min Vol Factor ETF) are both funds - MWEBX is a Global Equities fund managed by MFS, while ACWV is a Large Cap Blend Equities fund tracking the MSCI AC World Minimum Volatility (USD). Over the past 10 years, MWEBX returned 9.25%/yr vs 7.29%/yr for ACWV. Their correlation of 0.82 suggests significant overlap in exposure. MWEBX charges 1.90%/yr vs 0.20%/yr for ACWV.
Performance
MWEBX vs. ACWV - Performance Comparison
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Returns By Period
In the year-to-date period, MWEBX achieves a -1.17% return, which is significantly lower than ACWV's 1.88% return. Over the past 10 years, MWEBX has outperformed ACWV with an annualized return of 9.25%, while ACWV has yielded a comparatively lower 7.29% annualized return.
MWEBX
- 1D
- 0.96%
- 1M
- 0.87%
- YTD
- -1.17%
- 6M
- 0.37%
- 1Y
- 3.87%
- 3Y*
- 13.10%
- 5Y*
- 5.42%
- 10Y*
- 9.25%
ACWV
- 1D
- -0.03%
- 1M
- 0.32%
- YTD
- 1.88%
- 6M
- 2.57%
- 1Y
- 4.35%
- 3Y*
- 9.82%
- 5Y*
- 5.25%
- 10Y*
- 7.29%
MWEBX vs. ACWV - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MWEBX MFS Global Equity Fund | -1.17% | 12.70% | 22.16% | 13.48% | -18.53% | 16.15% | 13.03% | 29.23% | -10.51% | 22.63% |
ACWV iShares MSCI Global Min Vol Factor ETF | 1.88% | 11.04% | 11.38% | 8.23% | -10.36% | 13.97% | 3.04% | 21.04% | -1.42% | 18.57% |
Correlation
The correlation between MWEBX and ACWV is 0.71, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.71 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.74 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.80 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.82 |
Correlation (All Time) Calculated using the full available price history since Oct 20, 2011 | 0.82 |
The correlation between MWEBX and ACWV shifts across timeframes, from 0.71 (1 year) to 0.82 (10 years), reflecting how their relationship changes across market environments.
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Return for Risk
MWEBX vs. ACWV — Risk / Return Rank
MWEBX
ACWV
MWEBX vs. ACWV - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for MFS Global Equity Fund (MWEBX) and iShares MSCI Global Min Vol Factor ETF (ACWV). 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.
| MWEBX | ACWV | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.22 | ||
| Sortino ratioReturn per unit of downside risk | -0.26 | ||
| Omega ratioGain probability vs. loss probability | 1.07 | 1.10 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 0.32 | 0.69 | -0.36 |
| Martin ratioReturn relative to average drawdown | 1.12 | 2.09 | -0.98 |
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Drawdowns
MWEBX vs. ACWV - Drawdown Comparison
The maximum MWEBX drawdown since its inception was -52.31%, which is greater than ACWV's maximum drawdown of -28.82%. Use the drawdown chart below to compare losses from any high point for MWEBX and ACWV.
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Drawdown Indicators
| MWEBX | ACWV | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -52.31% | -28.82% | -23.49% |
Max Drawdown (1Y)Largest decline over 1 year | -13.43% | -6.37% | -7.06% |
Max Drawdown (3Y)Largest decline over 3 years | -15.10% | -7.56% | -7.54% |
Max Drawdown (5Y)Largest decline over 5 years | -28.70% | -18.14% | -10.56% |
Max Drawdown (10Y)Largest decline over 10 years | -33.91% | -28.82% | -5.09% |
Current DrawdownCurrent decline from peak | -3.84% | -3.37% | -0.47% |
Average DrawdownAverage peak-to-trough decline | -7.89% | -3.11% | -4.78% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.88% | 2.08% | +1.80% |
Volatility
MWEBX vs. ACWV - Volatility Comparison
MFS Global Equity Fund (MWEBX) has a higher volatility of 3.82% compared to iShares MSCI Global Min Vol Factor ETF (ACWV) at 2.07%. This indicates that MWEBX's price experiences larger fluctuations and is considered to be riskier than ACWV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MWEBX | ACWV | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.82% | 2.07% | +1.75% |
Volatility (6M)Calculated over the trailing 6-month period | 9.91% | 5.60% | +4.31% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.74% | 7.77% | +4.97% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.07% | 10.23% | +6.84% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.18% | 12.31% | +4.87% |
MWEBX vs. ACWV - Expense Ratio Comparison
MWEBX has a 1.90% expense ratio, which is higher than ACWV's 0.20% expense ratio.
Dividends
MWEBX vs. ACWV - Dividend Comparison
MWEBX's dividend yield for the trailing twelve months is around 24.42%, more than ACWV's 2.05% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACWV iShares MSCI Global Min Vol Factor ETF | 2.05% | 2.09% | 2.33% | 2.41% | 2.18% | 1.92% | 1.77% | 2.54% | 2.32% | 2.04% | 2.56% | 2.28% |
MWEBX MFS Global Equity Fund | 24.42% | 24.13% | 28.50% | 8.83% | 9.68% | 5.33% | 2.09% | 1.46% | 5.42% | 2.16% | 0.85% | 1.19% |
Frequently Asked Questions
MWEBX and ACWV have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MWEBX has higher volatility (3.82%) compared to ACWV (2.07%). In terms of maximum drawdown, MWEBX dropped -52.31% vs ACWV's -28.82%.
ACWV currently has the higher Sharpe Ratio (0.56 vs 0.34), 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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