VINEX vs. MWNIX

Last updated Aug 4, 2026

VINEX (Vanguard International Explorer Fund) and MWNIX (MFS International New Discovery Fund) are both Foreign Small & Mid Cap Equities funds. Over the past 10 years, VINEX returned 6.55%/yr vs 6.30%/yr for MWNIX. Their correlation of 0.87 means they have usually moved in the same direction. VINEX charges 0.40%/yr vs 1.03%/yr for MWNIX.

Performance

VINEX vs. MWNIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard International Explorer Fund (VINEX) and MFS International New Discovery Fund (MWNIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VINEX achieves a 10.44% return, which is significantly higher than MWNIX's 7.72% return. Both investments have delivered pretty close results over the past 10 years, with VINEX having a 6.55% annualized return and MWNIX not far behind at 6.30%.

VINEX

• 1D: -0.80%
• 1M: 0.63%
• 6M: 4.37%
• YTD: 10.44%
• 1Y: 18.61%
• 3Y*: 13.16%
• 5Y*: 3.12%
• 10Y*: 6.55%
• ALL TIME*: 8.25%

MWNIX

• 1D: -0.90%
• 1M: 0.64%
• 6M: 4.16%
• YTD: 7.72%
• 1Y: 10.49%
• 3Y*: 9.50%
• 5Y*: 2.94%
• 10Y*: 6.30%
• ALL TIME*: 9.49%

*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)
MWNIX MFS International New Discovery Fund	$0.00	$0.00	$0.00
VINEX Vanguard International Explorer Fund	$0.00	$0.00	$0.00

VINEX vs. MWNIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
VINEX Vanguard International Explorer Fund	10.44%	27.98%	0.11%	15.26%	-27.56%	9.52%	15.07%	21.90%	-23.02%	35.92%
MWNIX MFS International New Discovery Fund	7.72%	16.88%	0.90%	13.03%	-18.63%	5.06%	9.98%	22.85%	-10.41%	30.67%

Correlation

The correlation between VINEX and MWNIX is 0.93, 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.	0.93
Correlation (3Y) Balances recent behavior with more history.	0.93
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 Oct 9, 1997	0.87

The correlation between VINEX and MWNIX has been stable across timeframes, ranging from 0.87 to 0.94 - a consistent structural relationship.

Return for Risk

VINEX vs. MWNIX — Risk / Return Rank

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

VINEX

VINEX Risk / Return Rank: 37
VINEX Sharpe Ratio Rank: 37
VINEX Sortino Ratio Rank: 38
VINEX Omega Ratio Rank: 37
VINEX Calmar Ratio Rank: 34
VINEX Martin Ratio Rank: 37

MWNIX

MWNIX Risk / Return Rank: 21
MWNIX Sharpe Ratio Rank: 23
MWNIX Sortino Ratio Rank: 23
MWNIX Omega Ratio Rank: 23
MWNIX Calmar Ratio Rank: 18
MWNIX Martin Ratio Rank: 20

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.

VINEX vs. MWNIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard International Explorer Fund (VINEX) and MFS International New Discovery Fund (MWNIX). 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.

	VINEX	MWNIX	Difference
Sharpe ratio: Return per unit of total volatility	1.24	0.88	+0.36
Sortino ratio: Return per unit of downside risk	1.82	1.31	+0.51
Omega ratio: Gain probability vs. loss probability	1.23	1.17	+0.06
Calmar ratio: Return relative to maximum drawdown	1.57	0.93	+0.64
Martin ratio: Return relative to average drawdown	5.81	3.09	+2.72

VINEX vs. MWNIX - Sharpe Ratio Comparison

The current VINEX Sharpe Ratio is 1.24, which is higher than the MWNIX Sharpe Ratio of 0.88. The chart below compares the historical Sharpe Ratios of VINEX and MWNIX, 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

VINEX vs. MWNIX - Drawdown Comparison

The maximum VINEX drawdown since its inception was -62.16%, which is greater than MWNIX's maximum drawdown of -58.38%. Use the drawdown chart below to compare losses from any high point for VINEX and MWNIX.

Drawdown Indicators

	VINEX	MWNIX	Difference
Max Drawdown Largest peak-to-trough decline	-62.16%	-58.38%	-3.78%
Max Drawdown (1Y) Largest decline over 1 year	-12.32%	-11.78%	-0.54%
Max Drawdown (3Y) Largest decline over 3 years	-15.64%	-15.12%	-0.52%
Max Drawdown (5Y) Largest decline over 5 years	-42.24%	-33.67%	-8.57%
Max Drawdown (10Y) Largest decline over 10 years	-45.46%	-34.72%	-10.74%
Current Drawdown Current decline from peak	-0.94%	-0.96%	+0.02%
Average Drawdown Average peak-to-trough decline	-17.14%	-9.53%	-7.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.32%	3.54%	-0.22%

Volatility

VINEX vs. MWNIX - Volatility Comparison

Vanguard International Explorer Fund (VINEX) has a higher volatility of 4.78% compared to MFS International New Discovery Fund (MWNIX) at 3.95%. This indicates that VINEX's price experiences larger fluctuations and is considered to be riskier than MWNIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VINEX	MWNIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.78%	3.95%	+0.83%
Volatility (6M) Calculated over the trailing 6-month period	13.32%	10.89%	+2.43%
Volatility (1Y) Calculated over the trailing 1-year period	15.62%	12.50%	+3.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.17%	13.34%	+3.83%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.98%	13.74%	+3.24%

VINEX vs. MWNIX - Expense Ratio Comparison

VINEX has a 0.40% expense ratio, which is lower than MWNIX's 1.03% expense ratio.

Dividends

VINEX vs. MWNIX - Dividend Comparison

VINEX's dividend yield for the trailing twelve months is around 3.79%, more than MWNIX's 3.01% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MWNIX MFS International New Discovery Fund	3.01%	3.24%	7.61%	4.05%	5.68%	5.06%	3.90%	2.67%	6.68%	1.63%	1.09%	1.12%
VINEX Vanguard International Explorer Fund	3.79%	4.19%	4.17%	2.47%	1.74%	4.80%	1.06%	2.51%	8.75%	4.22%	1.95%	5.45%

Frequently Asked Questions

Can I hold both VINEX and MWNIX in my portfolio?

With a correlation of 0.93, VINEX and MWNIX 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.

Which is riskier, VINEX or MWNIX?

VINEX has higher volatility (4.78%) compared to MWNIX (3.95%). In terms of maximum drawdown, VINEX dropped -62.16% vs MWNIX's -58.38%.

Which has better risk-adjusted returns?

VINEX currently has the higher Sharpe Ratio (1.24 vs 0.88), 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.