VMNVX vs. MFWIX

Last updated Jun 5, 2026

VMNVX (Vanguard Global Minimum Volatility Fund Admiral Shares) and MFWIX (MFS Global Total Return Fund Class I) are both Global Equities funds. Over the past 10 years, VMNVX returned 8.70%/yr vs 6.51%/yr for MFWIX. A 0.80 correlation means they provide meaningful diversification when combined. VMNVX charges 0.14%/yr vs 0.84%/yr for MFWIX.

Performance

VMNVX vs. MFWIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Global Minimum Volatility Fund Admiral Shares (VMNVX) and MFS Global Total Return Fund Class I (MFWIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VMNVX achieves a 8.02% return, which is significantly higher than MFWIX's 4.87% return. Over the past 10 years, VMNVX has outperformed MFWIX with an annualized return of 8.70%, while MFWIX has yielded a comparatively lower 6.51% annualized return.

VMNVX

• 1D: -0.38%
• 1M: 1.55%
• YTD: 8.02%
• 6M: 8.49%
• 1Y: 13.24%
• 3Y*: 13.53%
• 5Y*: 9.09%
• 10Y*: 8.70%

MFWIX

• 1D: -0.50%
• 1M: 1.19%
• YTD: 4.87%
• 6M: 6.22%
• 1Y: 13.49%
• 3Y*: 10.79%
• 5Y*: 4.76%
• 10Y*: 6.51%

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

VMNVX vs. MFWIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VMNVX Vanguard Global Minimum Volatility Fund Admiral Shares	8.02%	12.83%	13.42%	7.94%	-4.46%	15.40%	-3.94%	22.66%	-1.70%	16.03%
MFWIX MFS Global Total Return Fund Class I	4.87%	15.70%	4.25%	10.52%	-10.62%	8.59%	9.63%	18.49%	-6.96%	15.00%

Correlation

The correlation between VMNVX and MFWIX is 0.69, 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	0.69
Correlation (3Y) Calculated over the trailing 3-year period	0.73
Correlation (5Y) Calculated over the trailing 5-year period	0.78
Correlation (10Y) Calculated over the trailing 10-year period	0.80
Correlation (All Time) Calculated using the full available price history since Dec 18, 2013	0.80

The correlation between VMNVX and MFWIX shifts across timeframes, from 0.69 (1 year) to 0.80 (all time), reflecting how their relationship changes across market environments.

Return for Risk

VMNVX vs. MFWIX — Risk / Return Rank

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

VMNVX

VMNVX Risk / Return Rank: 38
VMNVX Sharpe Ratio Rank: 41
VMNVX Sortino Ratio Rank: 41
VMNVX Omega Ratio Rank: 39
VMNVX Calmar Ratio Rank: 30
VMNVX Martin Ratio Rank: 37

MFWIX

MFWIX Risk / Return Rank: 38
MFWIX Sharpe Ratio Rank: 42
MFWIX Sortino Ratio Rank: 43
MFWIX Omega Ratio Rank: 42
MFWIX Calmar Ratio Rank: 31
MFWIX Martin Ratio Rank: 32

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.

VMNVX vs. MFWIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Global Minimum Volatility Fund Admiral Shares (VMNVX) and MFS Global Total Return Fund Class I (MFWIX). 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.

	VMNVX	MFWIX	Difference
Sharpe ratio: Return per unit of total volatility	1.87	1.86	+0.01
Sortino ratio: Return per unit of downside risk	2.69	2.70	-0.01
Omega ratio: Gain probability vs. loss probability	1.33	1.35	-0.01
Calmar ratio: Return relative to maximum drawdown	2.05	2.04	+0.01
Martin ratio: Return relative to average drawdown	8.01	7.26	+0.75
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

VMNVX vs. MFWIX - Sharpe Ratio Comparison

The current VMNVX Sharpe Ratio is 1.87, which is comparable to the MFWIX Sharpe Ratio of 1.86. The chart below compares the historical Sharpe Ratios of VMNVX and MFWIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	VMNVX	MFWIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.87	1.86	+0.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.96	0.52	+0.44
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.73	0.68	+0.05
Sharpe Ratio (All Time) Calculated using the full available price history	0.79	0.72	+0.07

Drawdowns

VMNVX vs. MFWIX - Drawdown Comparison

The maximum VMNVX drawdown since its inception was -33.11%, roughly equal to the maximum MFWIX drawdown of -33.01%. Use the drawdown chart below to compare losses from any high point for VMNVX and MFWIX.

Drawdown Indicators

	VMNVX	MFWIX	Difference
Max Drawdown Largest peak-to-trough decline	-33.11%	-33.01%	-0.10%
Max Drawdown (1Y) Largest decline over 1 year	-6.24%	-6.73%	+0.49%
Max Drawdown (3Y) Largest decline over 3 years	-7.93%	-8.63%	+0.70%
Max Drawdown (5Y) Largest decline over 5 years	-12.93%	-20.22%	+7.29%
Max Drawdown (10Y) Largest decline over 10 years	-33.11%	-23.36%	-9.75%
Current Drawdown Current decline from peak	-0.55%	-1.49%	+0.94%
Average Drawdown Average peak-to-trough decline	-2.81%	-3.82%	+1.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.60%	1.89%	-0.29%

Volatility

VMNVX vs. MFWIX - Volatility Comparison

Vanguard Global Minimum Volatility Fund Admiral Shares (VMNVX) and MFS Global Total Return Fund Class I (MFWIX) have volatilities of 1.99% and 2.09%, 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

	VMNVX	MFWIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.99%	2.09%	-0.10%
Volatility (6M) Calculated over the trailing 6-month period	5.11%	5.68%	-0.57%
Volatility (1Y) Calculated over the trailing 1-year period	6.84%	7.39%	-0.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.53%	9.14%	+0.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.96%	9.63%	+2.33%

VMNVX vs. MFWIX - Expense Ratio Comparison

VMNVX has a 0.14% expense ratio, which is lower than MFWIX's 0.84% expense ratio.

Dividends

VMNVX vs. MFWIX - Dividend Comparison

VMNVX's dividend yield for the trailing twelve months is around 9.32%, more than MFWIX's 8.36% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MFWIX MFS Global Total Return Fund Class I	8.36%	8.77%	9.36%	3.98%	2.94%	10.71%	7.53%	4.70%	3.64%	2.36%	1.40%	4.59%
VMNVX Vanguard Global Minimum Volatility Fund Admiral Shares	9.32%	10.07%	3.84%	3.13%	5.03%	6.33%	2.15%	4.62%	7.37%	2.31%	2.82%	3.30%

Frequently Asked Questions

Can I hold both VMNVX and MFWIX in my portfolio?

VMNVX and MFWIX have a correlation of 0.69, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VMNVX or MFWIX?

MFWIX has higher volatility (2.09%) compared to VMNVX (1.99%). In terms of maximum drawdown, VMNVX dropped -33.11% vs MFWIX's -33.01%.

Which has better risk-adjusted returns?

VMNVX currently has the higher Sharpe Ratio (1.87 vs 1.86), 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.