GSIYX vs. MIEKX

Last updated Jun 3, 2026

GSIYX (Goldman Sachs GQG Partners International Opportunities Fund Class R6) and MIEKX (MFS International Equity Fund Class R6) are both International Equity funds. GSIYX is passively managed, while MIEKX is actively managed. Over the past 3 years, GSIYX returned 17.16%/yr vs 11.91%/yr for MIEKX. A 0.73 correlation means they provide meaningful diversification when combined. GSIYX charges 0.75%/yr vs 0.73%/yr for MIEKX.

Performance

GSIYX vs. MIEKX - Performance Comparison

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

Returns By Period

In the year-to-date period, GSIYX achieves a 6.41% return, which is significantly higher than MIEKX's 3.06% return.

GSIYX

• 1D: -0.54%
• 1M: -0.87%
• YTD: 6.41%
• 6M: 8.03%
• 1Y: 12.07%
• 3Y*: 17.16%
• 5Y*: 8.93%
• 10Y*: —

MIEKX

• 1D: -0.67%
• 1M: 2.55%
• YTD: 3.06%
• 6M: 5.76%
• 1Y: 9.26%
• 3Y*: 11.91%
• 5Y*: —
• 10Y*: —

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

GSIYX vs. MIEKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
GSIYX Goldman Sachs GQG Partners International Opportunities Fund Class R6	6.41%	20.89%	9.69%	13.97%
MIEKX MFS International Equity Fund Class R6	3.06%	23.12%	4.02%	5.55%

Correlation

The correlation between GSIYX and MIEKX is 0.61, 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	0.61
Correlation (3Y) Calculated over the trailing 3-year period	0.73
Correlation (All Time) Calculated using the full available price history since May 18, 2023	0.73

The correlation between GSIYX and MIEKX shifts across timeframes, from 0.61 (1 year) to 0.73 (all time), reflecting how their relationship changes across market environments.

Return for Risk

GSIYX vs. MIEKX — Risk / Return Rank

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

GSIYX

GSIYX Risk / Return Rank: 22
GSIYX Sharpe Ratio Rank: 22
GSIYX Sortino Ratio Rank: 20
GSIYX Omega Ratio Rank: 22
GSIYX Calmar Ratio Rank: 22
GSIYX Martin Ratio Rank: 23

MIEKX

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

GSIYX vs. MIEKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Goldman Sachs GQG Partners International Opportunities Fund Class R6 (GSIYX) and MFS International Equity Fund Class R6 (MIEKX). 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.

	GSIYX	MIEKX	Difference
Sharpe ratio Return per unit of total volatility	1.35	0.80	+0.55
Sortino ratio Return per unit of downside risk	1.89	1.20	+0.69
Omega ratio Gain probability vs. loss probability	1.25	1.15	+0.10
Calmar ratio Return relative to maximum drawdown	1.77	0.92	+0.84
Martin ratio Return relative to average drawdown	5.96	3.26	+2.70
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GSIYX vs. MIEKX - Sharpe Ratio Comparison

The current GSIYX Sharpe Ratio is 1.35, which is higher than the MIEKX Sharpe Ratio of 0.80. The chart below compares the historical Sharpe Ratios of GSIYX and MIEKX, 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

	GSIYX	MIEKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.35	0.80	+0.55
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.62	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.82	0.88	-0.06

Drawdowns

GSIYX vs. MIEKX - Drawdown Comparison

The maximum GSIYX drawdown since its inception was -28.79%, which is greater than MIEKX's maximum drawdown of -13.42%. Use the drawdown chart below to compare losses from any high point for GSIYX and MIEKX.

Drawdown Indicators

	GSIYX	MIEKX	Difference
Max Drawdown Largest peak-to-trough decline	-28.79%	-13.42%	-15.37%
Max Drawdown (1Y) Largest decline over 1 year	-7.81%	-11.30%	+3.49%
Max Drawdown (3Y) Largest decline over 3 years	-10.30%	-13.42%	+3.12%
Max Drawdown (5Y) Largest decline over 5 years	-25.36%	—	—
Current Drawdown Current decline from peak	-3.75%	-1.67%	-2.08%
Average Drawdown Average peak-to-trough decline	-4.81%	-2.84%	-1.97%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.31%	3.20%	-0.89%

Volatility

GSIYX vs. MIEKX - Volatility Comparison

The current volatility for Goldman Sachs GQG Partners International Opportunities Fund Class R6 (GSIYX) is 2.81%, while MFS International Equity Fund Class R6 (MIEKX) has a volatility of 3.50%. This indicates that GSIYX experiences smaller price fluctuations and is considered to be less risky than MIEKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GSIYX	MIEKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.81%	3.50%	-0.69%
Volatility (6M) Calculated over the trailing 6-month period	7.93%	10.22%	-2.29%
Volatility (1Y) Calculated over the trailing 1-year period	9.71%	13.19%	-3.48%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.38%	13.24%	+1.14%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.70%	13.24%	+2.46%

GSIYX vs. MIEKX - Expense Ratio Comparison

GSIYX has a 0.75% expense ratio, which is higher than MIEKX's 0.73% expense ratio.

Dividends

GSIYX vs. MIEKX - Dividend Comparison

GSIYX's dividend yield for the trailing twelve months is around 4.83%, more than MIEKX's 2.52% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
GSIYX Goldman Sachs GQG Partners International Opportunities Fund Class R6	4.83%	5.14%	11.21%	2.38%	4.91%	2.25%	0.19%	0.67%	0.55%	0.16%
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%

Frequently Asked Questions

Can I hold both GSIYX and MIEKX in my portfolio?

GSIYX and MIEKX have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GSIYX or MIEKX?

MIEKX has higher volatility (3.50%) compared to GSIYX (2.81%). In terms of maximum drawdown, GSIYX dropped -28.79% vs MIEKX's -13.42%.

Which has better risk-adjusted returns?

GSIYX currently has the higher Sharpe Ratio (1.35 vs 0.80), 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.