MIEKX vs. DIAX

Last updated Jun 4, 2026

MIEKX (MFS International Equity Fund Class R6) and DIAX (Dimensional International Core Equity Fund) are both International Equity funds. A 0.51 correlation means they provide meaningful diversification when combined. MIEKX charges 0.73%/yr vs 0.01%/yr for DIAX.

Performance

MIEKX vs. DIAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS International Equity Fund Class R6 (MIEKX) and Dimensional International Core Equity Fund (DIAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

MIEKX

• 1D: 0.17%
• 1M: 3.67%
• YTD: 3.23%
• 6M: 5.75%
• 1Y: 10.23%
• 3Y*: 11.97%
• 5Y*: —
• 10Y*: —

DIAX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MIEKX vs. DIAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
MIEKX MFS International Equity Fund Class R6	3.23%	23.12%	4.02%	5.55%
DIAX Dimensional International Core Equity Fund	-5.70%	10.13%	16.51%	2.71%

Correlation

The correlation between MIEKX and DIAX is 0.50, 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	0.50
Correlation (3Y) Calculated over the trailing 3-year period	0.51
Correlation (All Time) Calculated using the full available price history since May 18, 2023	0.51

The correlation between MIEKX and DIAX has been stable across timeframes, ranging from 0.50 to 0.51 - a consistent structural relationship.

Return for Risk

MIEKX vs. DIAX — Risk / Return Rank

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

MIEKX

MIEKX Risk / Return Rank: 9
MIEKX Sharpe Ratio Rank: 9
MIEKX Sortino Ratio Rank: 9
MIEKX Omega Ratio Rank: 9
MIEKX Calmar Ratio Rank: 8
MIEKX Martin Ratio Rank: 10

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.

MIEKX vs. DIAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS International Equity Fund Class R6 (MIEKX) and Dimensional International Core Equity Fund (DIAX). 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.

	MIEKX	DIAX	Difference
Sharpe ratio Return per unit of total volatility	0.72	—	—
Sortino ratio Return per unit of downside risk	1.10	—	—
Omega ratio Gain probability vs. loss probability	1.14	—	—
Calmar ratio Return relative to maximum drawdown	0.84	—	—
Martin ratio Return relative to average drawdown	2.96	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	MIEKX	DIAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.72	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.88	—	—

Drawdowns

Drawdown Indicators

	MIEKX	DIAX	Difference
Max Drawdown Largest peak-to-trough decline	-13.42%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-11.30%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-13.42%	—	—
Current Drawdown Current decline from peak	-1.51%	—	—
Average Drawdown Average peak-to-trough decline	-2.84%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	3.20%	—	—

Volatility

Volatility by Period

	MIEKX	DIAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.46%	—	—
Volatility (6M) Calculated over the trailing 6-month period	10.21%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	13.17%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.23%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.23%	—	—

MIEKX vs. DIAX - Expense Ratio Comparison

MIEKX has a 0.73% expense ratio, which is higher than DIAX's 0.01% expense ratio.

Dividends

MIEKX vs. DIAX - Dividend Comparison

MIEKX's dividend yield for the trailing twelve months is around 2.52%, less than DIAX's 8.54% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DIAX Dimensional International Core Equity Fund	8.54%	7.89%	7.71%	8.19%	7.39%	6.15%	7.33%	6.68%	7.69%	5.63%	6.95%	7.41%
MIEKX MFS International Equity Fund Class R6	2.52%	2.60%	1.41%	1.67%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MIEKX and DIAX in my portfolio?

MIEKX and DIAX have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.