MWNIX vs. MDIJX

Last updated Apr 2, 2026

Compare and contrast key facts about MFS International New Discovery Fund (MWNIX) and MFS International Diversification Fund (MDIJX).

MWNIX is managed by MFS. It was launched on Oct 8, 1997. MDIJX is managed by MFS. It was launched on Sep 30, 2004.

Performance

MWNIX vs. MDIJX - Performance Comparison

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

MWNIX vs. MDIJX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MWNIX MFS International New Discovery Fund	-1.93%	16.88%	0.90%	13.03%	-18.63%	5.06%	9.98%	22.85%	-10.41%	30.67%
MDIJX MFS International Diversification Fund	-0.22%	27.84%	6.41%	14.37%	-17.12%	7.69%	15.26%	26.00%	-11.05%	30.29%

Returns By Period

In the year-to-date period, MWNIX achieves a -1.93% return, which is significantly lower than MDIJX's -0.22% return. Over the past 10 years, MWNIX has underperformed MDIJX with an annualized return of 5.78%, while MDIJX has yielded a comparatively higher 9.18% annualized return.

MWNIX

• 1D: 2.26%
• 1M: -8.30%
• YTD: -1.93%
• 6M: -2.76%
• 1Y: 11.40%
• 3Y*: 7.25%
• 5Y*: 1.94%
• 10Y*: 5.78%

MDIJX

• 1D: 2.55%
• 1M: -7.39%
• YTD: -0.22%
• 6M: 2.92%
• 1Y: 19.95%
• 3Y*: 13.01%
• 5Y*: 6.11%
• 10Y*: 9.18%

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

MWNIX vs. MDIJX - Expense Ratio Comparison

MWNIX has a 1.03% expense ratio, which is higher than MDIJX's 0.82% expense ratio.

MWNIX

MFS International New Discovery Fund

MDIJX

MFS International Diversification Fund

Return for Risk

MWNIX vs. MDIJX — Risk / Return Rank

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

MWNIX

MWNIX Risk / Return Rank: 33
MWNIX Sharpe Ratio Rank: 43
MWNIX Sortino Ratio Rank: 35
MWNIX Omega Ratio Rank: 36
MWNIX Calmar Ratio Rank: 24
MWNIX Martin Ratio Rank: 26

MDIJX

MDIJX Risk / Return Rank: 74
MDIJX Sharpe Ratio Rank: 79
MDIJX Sortino Ratio Rank: 76
MDIJX Omega Ratio Rank: 75
MDIJX Calmar Ratio Rank: 71
MDIJX Martin Ratio Rank: 69

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.

MWNIX vs. MDIJX - Risk-Adjusted Trends Comparison

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

	MWNIX	MDIJX	Difference
Sharpe ratio Return per unit of total volatility	0.97	1.48	-0.51
Sortino ratio Return per unit of downside risk	1.31	1.96	-0.65
Omega ratio Gain probability vs. loss probability	1.19	1.29	-0.10
Calmar ratio Return relative to maximum drawdown	0.90	1.70	-0.80
Martin ratio Return relative to average drawdown	3.41	6.69	-3.28
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MWNIX vs. MDIJX - Sharpe Ratio Comparison

The current MWNIX Sharpe Ratio is 0.97, which is lower than the MDIJX Sharpe Ratio of 1.48. The chart below compares the historical Sharpe Ratios of MWNIX and MDIJX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MWNIX	MDIJX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.97	1.48	-0.51
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.15	0.44	-0.29
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.42	0.63	-0.21
Sharpe Ratio (All Time) Calculated using the full available price history	0.57	0.45	+0.12

Correlation

The correlation between MWNIX and MDIJX is 0.95, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

MWNIX vs. MDIJX - Dividend Comparison

MWNIX's dividend yield for the trailing twelve months is around 3.30%, less than MDIJX's 5.18% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MWNIX MFS International New Discovery Fund	3.30%	3.24%	7.61%	4.05%	5.68%	5.06%	3.90%	2.67%	6.68%	1.63%	1.09%	1.12%
MDIJX MFS International Diversification Fund	5.18%	5.17%	3.50%	4.14%	2.64%	2.70%	1.64%	2.50%	3.14%	1.63%	2.18%	1.69%

Drawdowns

MWNIX vs. MDIJX - Drawdown Comparison

The maximum MWNIX drawdown since its inception was -58.38%, roughly equal to the maximum MDIJX drawdown of -56.60%. Use the drawdown chart below to compare losses from any high point for MWNIX and MDIJX.

Drawdown Indicators

	MWNIX	MDIJX	Difference
Max Drawdown Largest peak-to-trough decline	-58.38%	-56.60%	-1.78%
Max Drawdown (1Y) Largest decline over 1 year	-11.78%	-11.40%	-0.38%
Max Drawdown (5Y) Largest decline over 5 years	-33.67%	-30.19%	-3.48%
Max Drawdown (10Y) Largest decline over 10 years	-34.72%	-30.19%	-4.53%
Current Drawdown Current decline from peak	-9.78%	-9.03%	-0.75%
Average Drawdown Average peak-to-trough decline	-9.61%	-9.14%	-0.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.12%	2.90%	+0.22%

Volatility

MWNIX vs. MDIJX - Volatility Comparison

The current volatility for MFS International New Discovery Fund (MWNIX) is 5.70%, while MFS International Diversification Fund (MDIJX) has a volatility of 6.30%. This indicates that MWNIX experiences smaller price fluctuations and is considered to be less risky than MDIJX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MWNIX	MDIJX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.70%	6.30%	-0.60%
Volatility (6M) Calculated over the trailing 6-month period	8.51%	9.37%	-0.86%
Volatility (1Y) Calculated over the trailing 1-year period	12.29%	13.99%	-1.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.06%	14.09%	-1.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.92%	14.64%	-0.72%