MEIAX vs. MRSAX

Last updated Aug 1, 2026

MEIAX (MFS Value Fund) and MRSAX (MFS Research International A) are both mutual funds - MEIAX is a Large Cap Value Equities fund managed by MFS, while MRSAX is a Foreign Large Cap Equities fund managed by MFS. Over the past 10 years, MEIAX returned 9.90%/yr vs 8.77%/yr for MRSAX. Their 0.67 correlation means they have sometimes moved together and sometimes differently. MEIAX charges 0.80%/yr vs 1.04%/yr for MRSAX.

Performance

MEIAX vs. MRSAX - Performance Comparison

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

Returns By Period

In the year-to-date period, MEIAX achieves a 10.34% return, which is significantly lower than MRSAX's 13.23% return. Over the past 10 years, MEIAX has outperformed MRSAX with an annualized return of 9.90%, while MRSAX has yielded a comparatively lower 8.77% annualized return.

MEIAX

• 1D: 0.39%
• 1M: 1.20%
• 6M: 6.86%
• YTD: 10.34%
• 1Y: 18.52%
• 3Y*: 12.81%
• 5Y*: 8.46%
• 10Y*: 9.90%
• ALL TIME*: 10.07%

MRSAX

• 1D: 3.04%
• 1M: 2.22%
• 6M: 7.13%
• YTD: 13.23%
• 1Y: 23.24%
• 3Y*: 12.89%
• 5Y*: 6.38%
• 10Y*: 8.77%
• ALL TIME*: 6.77%

*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)
MEIAX MFS Value Fund	$0.00	$0.00	$0.00
MRSAX MFS Research International A	$0.00	$0.00	$0.00

MEIAX vs. MRSAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MEIAX MFS Value Fund	10.34%	12.97%	11.60%	7.92%	-6.25%	25.11%	3.71%	29.73%	-10.11%	16.97%
MRSAX MFS Research International A	13.23%	22.31%	2.83%	13.11%	-17.52%	11.62%	12.90%	27.67%	-14.20%	28.05%

Correlation

The correlation between MEIAX and MRSAX is 0.57, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.58
Correlation (3Y) Balances recent behavior with more history.	0.61
Correlation (5Y) Shows whether the relationship held over a longer period.	0.68
Correlation (10Y) Provides a long-term view across more market conditions.	0.69
Correlation (All Time) Calculated using the full available price history since Dec 31, 1996	0.67

The correlation between MEIAX and MRSAX shifts across timeframes, from 0.57 (1 year) to 0.69 (10 years), reflecting how their relationship changes across market environments.

Return for Risk

MEIAX vs. MRSAX — Risk / Return Rank

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

MEIAX

MEIAX Risk / Return Rank: 67
MEIAX Sharpe Ratio Rank: 65
MEIAX Sortino Ratio Rank: 65
MEIAX Omega Ratio Rank: 61
MEIAX Calmar Ratio Rank: 74
MEIAX Martin Ratio Rank: 68

MRSAX

MRSAX Risk / Return Rank: 52
MRSAX Sharpe Ratio Rank: 57
MRSAX Sortino Ratio Rank: 58
MRSAX Omega Ratio Rank: 57
MRSAX Calmar Ratio Rank: 44
MRSAX Martin Ratio Rank: 42

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.

MEIAX vs. MRSAX - Risk-Adjusted Trends Comparison

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

	MEIAX	MRSAX	Difference
Sharpe ratio: Return per unit of total volatility	1.52	1.51	+0.02
Sortino ratio: Return per unit of downside risk	2.20	2.17	+0.03
Omega ratio: Gain probability vs. loss probability	1.27	1.28	-0.01
Calmar ratio: Return relative to maximum drawdown	2.37	1.82	+0.56
Martin ratio: Return relative to average drawdown	8.30	6.38	+1.92

MEIAX vs. MRSAX - Sharpe Ratio Comparison

The current MEIAX Sharpe Ratio is 1.52, which is comparable to the MRSAX Sharpe Ratio of 1.51. The chart below compares the historical Sharpe Ratios of MEIAX and MRSAX, 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

MEIAX vs. MRSAX - Drawdown Comparison

The maximum MEIAX drawdown since its inception was -52.85%, smaller than the maximum MRSAX drawdown of -59.76%. Use the drawdown chart below to compare losses from any high point for MEIAX and MRSAX.

Drawdown Indicators

	MEIAX	MRSAX	Difference
Max Drawdown Largest peak-to-trough decline	-52.85%	-59.76%	+6.91%
Max Drawdown (1Y) Largest decline over 1 year	-6.78%	-11.68%	+4.90%
Max Drawdown (3Y) Largest decline over 3 years	-13.26%	-14.05%	+0.79%
Max Drawdown (5Y) Largest decline over 5 years	-17.72%	-30.93%	+13.21%
Max Drawdown (10Y) Largest decline over 10 years	-36.71%	-30.93%	-5.78%
Current Drawdown Current decline from peak	-1.05%	0.00%	-1.05%
Average Drawdown Average peak-to-trough decline	-6.51%	-13.03%	+6.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.95%	3.32%	-1.37%

Volatility

MEIAX vs. MRSAX - Volatility Comparison

The current volatility for MFS Value Fund (MEIAX) is 2.76%, while MFS Research International A (MRSAX) has a volatility of 4.34%. This indicates that MEIAX experiences smaller price fluctuations and is considered to be less risky than MRSAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MEIAX	MRSAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.76%	4.34%	-1.58%
Volatility (6M) Calculated over the trailing 6-month period	7.50%	11.94%	-4.44%
Volatility (1Y) Calculated over the trailing 1-year period	10.58%	14.11%	-3.53%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.88%	15.12%	-1.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.47%	15.20%	+1.27%

MEIAX vs. MRSAX - Expense Ratio Comparison

MEIAX has a 0.80% expense ratio, which is lower than MRSAX's 1.04% expense ratio.

Dividends

MEIAX vs. MRSAX - Dividend Comparison

MEIAX's dividend yield for the trailing twelve months is around 8.60%, more than MRSAX's 4.62% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MEIAX MFS Value Fund	8.60%	9.34%	9.10%	8.21%	7.36%	3.10%	2.42%	2.97%	3.36%	3.87%	2.84%	5.73%
MRSAX MFS Research International A	4.62%	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 MEIAX and MRSAX in my portfolio?

MEIAX and MRSAX have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MEIAX or MRSAX?

MRSAX has higher volatility (4.34%) compared to MEIAX (2.76%). In terms of maximum drawdown, MEIAX dropped -52.85% vs MRSAX's -59.76%.

Which has better risk-adjusted returns?

MEIAX currently has the higher Sharpe Ratio (1.52 vs 1.51), 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.