MRSAX vs. MEIIX

Last updated Jun 3, 2026

MRSAX (MFS Research International A) and MEIIX (MFS Value Fund Class I) are both mutual funds - MRSAX is a Foreign Large Cap Equities fund managed by MFS, while MEIIX is a Large Cap Value Equities fund managed by MFS. Over the past 10 years, MRSAX returned 8.38%/yr vs 9.79%/yr for MEIIX. A 0.67 correlation means they provide meaningful diversification when combined. MRSAX charges 1.04%/yr vs 0.55%/yr for MEIIX.

Performance

MRSAX vs. MEIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Research International A (MRSAX) and MFS Value Fund Class I (MEIIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MRSAX achieves a 8.11% return, which is significantly higher than MEIIX's 3.85% return. Over the past 10 years, MRSAX has underperformed MEIIX with an annualized return of 8.38%, while MEIIX has yielded a comparatively higher 9.79% annualized return.

MRSAX

• 1D: -0.50%
• 1M: 2.11%
• YTD: 8.11%
• 6M: 10.60%
• 1Y: 14.94%
• 3Y*: 12.35%
• 5Y*: 5.27%
• 10Y*: 8.38%

MEIIX

• 1D: -0.65%
• 1M: -0.99%
• YTD: 3.85%
• 6M: 6.13%
• 1Y: 12.56%
• 3Y*: 12.98%
• 5Y*: 7.63%
• 10Y*: 9.79%

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

MRSAX vs. MEIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MRSAX MFS Research International A	8.11%	22.31%	2.83%	13.11%	-17.52%	11.62%	12.90%	27.67%	-14.20%	28.05%
MEIIX MFS Value Fund Class I	3.85%	13.26%	11.86%	8.21%	-6.02%	25.43%	3.99%	30.04%	-9.90%	17.20%

Correlation

The correlation between MRSAX and MEIIX is 0.58, 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	0.58
Correlation (3Y) Calculated over the trailing 3-year period	0.61
Correlation (5Y) Calculated over the trailing 5-year period	0.69
Correlation (10Y) Calculated over the trailing 10-year period	0.69
Correlation (All Time) Calculated using the full available price history since Jan 2, 1997	0.67

The correlation between MRSAX and MEIIX shifts across timeframes, from 0.58 (1 year) to 0.69 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

MRSAX vs. MEIIX — Risk / Return Rank

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

MRSAX

MRSAX Risk / Return Rank: 18
MRSAX Sharpe Ratio Rank: 18
MRSAX Sortino Ratio Rank: 18
MRSAX Omega Ratio Rank: 18
MRSAX Calmar Ratio Rank: 16
MRSAX Martin Ratio Rank: 18

MEIIX

MEIIX Risk / Return Rank: 20
MEIIX Sharpe Ratio Rank: 17
MEIIX Sortino Ratio Rank: 17
MEIIX Omega Ratio Rank: 16
MEIIX Calmar Ratio Rank: 25
MEIIX Martin Ratio Rank: 27

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.

MRSAX vs. MEIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Research International A (MRSAX) and MFS Value Fund Class I (MEIIX). 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.

	MRSAX	MEIIX	Difference
Sharpe ratio Return per unit of total volatility	1.23	1.23	0.00
Sortino ratio Return per unit of downside risk	1.80	1.79	+0.01
Omega ratio Gain probability vs. loss probability	1.23	1.22	+0.01
Calmar ratio Return relative to maximum drawdown	1.42	1.92	-0.51
Martin ratio Return relative to average drawdown	4.95	6.68	-1.73
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MRSAX vs. MEIIX - Sharpe Ratio Comparison

The current MRSAX Sharpe Ratio is 1.23, which is comparable to the MEIIX Sharpe Ratio of 1.23. The chart below compares the historical Sharpe Ratios of MRSAX and MEIIX, 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

	MRSAX	MEIIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.23	1.23	0.00
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.35	0.55	-0.20
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.54	0.59	-0.05
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	0.56	-0.19

Drawdowns

MRSAX vs. MEIIX - Drawdown Comparison

The maximum MRSAX drawdown since its inception was -59.76%, which is greater than MEIIX's maximum drawdown of -52.64%. Use the drawdown chart below to compare losses from any high point for MRSAX and MEIIX.

Drawdown Indicators

	MRSAX	MEIIX	Difference
Max Drawdown Largest peak-to-trough decline	-59.76%	-52.64%	-7.12%
Max Drawdown (1Y) Largest decline over 1 year	-11.68%	-6.76%	-4.92%
Max Drawdown (3Y) Largest decline over 3 years	-14.05%	-13.19%	-0.86%
Max Drawdown (5Y) Largest decline over 5 years	-30.93%	-17.58%	-13.35%
Max Drawdown (10Y) Largest decline over 10 years	-30.93%	-36.70%	+5.77%
Current Drawdown Current decline from peak	-2.56%	-2.41%	-0.15%
Average Drawdown Average peak-to-trough decline	-13.09%	-6.55%	-6.54%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.35%	1.95%	+1.40%

Volatility

MRSAX vs. MEIIX - Volatility Comparison

MFS Research International A (MRSAX) has a higher volatility of 4.07% compared to MFS Value Fund Class I (MEIIX) at 2.39%. This indicates that MRSAX's price experiences larger fluctuations and is considered to be riskier than MEIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MRSAX	MEIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.07%	2.39%	+1.68%
Volatility (6M) Calculated over the trailing 6-month period	10.63%	7.75%	+2.88%
Volatility (1Y) Calculated over the trailing 1-year period	13.35%	10.38%	+2.97%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.94%	13.92%	+1.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.46%	16.55%	-1.09%

MRSAX vs. MEIIX - Expense Ratio Comparison

MRSAX has a 1.04% expense ratio, which is higher than MEIIX's 0.55% expense ratio.

Dividends

MRSAX vs. MEIIX - Dividend Comparison

MRSAX's dividend yield for the trailing twelve months is around 4.84%, less than MEIIX's 9.36% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MEIIX MFS Value Fund Class I	9.36%	9.52%	9.30%	8.41%	7.58%	3.32%	2.63%	3.17%	3.62%	4.04%	2.91%	5.97%
MRSAX MFS Research International A	4.84%	5.23%	1.81%	1.49%	1.37%	1.04%	0.73%	1.63%	5.41%	1.04%	1.71%	1.67%

Frequently Asked Questions

Can I hold both MRSAX and MEIIX in my portfolio?

MRSAX and MEIIX have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MRSAX or MEIIX?

MRSAX has higher volatility (4.07%) compared to MEIIX (2.39%). In terms of maximum drawdown, MRSAX dropped -59.76% vs MEIIX's -52.64%.

Which has better risk-adjusted returns?

MRSAX currently has the higher Sharpe Ratio (1.23 vs 1.23), 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.