SSDWX vs. MGRDX

Last updated Jun 23, 2026

SSDWX (State Street Target Retirement 2060 Fund) and MGRDX (MFS International Growth Fund R6) are both mutual funds - SSDWX is a Target Retirement Date fund managed by State Street, while MGRDX is a Foreign Large Cap Equities fund actively managed by MFS. Over the past 10 years, SSDWX returned 11.50%/yr vs 10.02%/yr for MGRDX. Their correlation of 0.85 suggests significant overlap in exposure. SSDWX charges 0.18%/yr vs 0.72%/yr for MGRDX.

Performance

SSDWX vs. MGRDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street Target Retirement 2060 Fund (SSDWX) and MFS International Growth Fund R6 (MGRDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SSDWX achieves a 11.80% return, which is significantly higher than MGRDX's 2.57% return. Over the past 10 years, SSDWX has outperformed MGRDX with an annualized return of 11.50%, while MGRDX has yielded a comparatively lower 10.02% annualized return.

SSDWX

• 1D: 0.90%
• 1M: 2.01%
• YTD: 11.80%
• 6M: 11.49%
• 1Y: 27.39%
• 3Y*: 17.44%
• 5Y*: 9.07%
• 10Y*: 11.50%

MGRDX

• 1D: 0.23%
• 1M: 0.62%
• YTD: 2.57%
• 6M: 2.55%
• 1Y: 10.66%
• 3Y*: 10.88%
• 5Y*: 6.29%
• 10Y*: 10.02%

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

SSDWX vs. MGRDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SSDWX State Street Target Retirement 2060 Fund	11.80%	21.16%	12.53%	19.24%	-19.20%	13.74%	19.62%	25.85%	-8.11%	21.45%
MGRDX MFS International Growth Fund R6	2.57%	21.18%	9.22%	14.99%	-15.00%	9.61%	15.82%	27.32%	-8.79%	32.56%

Correlation

The correlation between SSDWX and MGRDX is 0.85, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.85
Correlation (3Y) Calculated over the trailing 3-year period	0.84
Correlation (5Y) Calculated over the trailing 5-year period	0.85
Correlation (10Y) Calculated over the trailing 10-year period	0.85
Correlation (All Time) Calculated using the full available price history since Oct 1, 2014	0.85

The correlation between SSDWX and MGRDX has been stable across timeframes, ranging from 0.84 to 0.85 - a consistent structural relationship.

Return for Risk

SSDWX vs. MGRDX — Risk / Return Rank

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

SSDWX

SSDWX Risk / Return Rank: 70
SSDWX Sharpe Ratio Rank: 71
SSDWX Sortino Ratio Rank: 67
SSDWX Omega Ratio Rank: 72
SSDWX Calmar Ratio Rank: 68
SSDWX Martin Ratio Rank: 70

MGRDX

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

SSDWX vs. MGRDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street Target Retirement 2060 Fund (SSDWX) and MFS International Growth Fund R6 (MGRDX). 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.

	SSDWX	MGRDX	Difference
Sharpe ratio: Return per unit of total volatility	2.25	0.71	+1.54
Sortino ratio: Return per unit of downside risk	3.10	1.07	+2.03
Omega ratio: Gain probability vs. loss probability	1.43	1.13	+0.30
Calmar ratio: Return relative to maximum drawdown	3.03	0.80	+2.23
Martin ratio: Return relative to average drawdown	12.62	2.59	+10.03

SSDWX vs. MGRDX - Sharpe Ratio Comparison

The current SSDWX Sharpe Ratio is 2.25, which is higher than the MGRDX Sharpe Ratio of 0.71. The chart below compares the historical Sharpe Ratios of SSDWX and MGRDX, 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

SSDWX vs. MGRDX - Drawdown Comparison

The maximum SSDWX drawdown since its inception was -29.88%, smaller than the maximum MGRDX drawdown of -60.75%. Use the drawdown chart below to compare losses from any high point for SSDWX and MGRDX.

Drawdown Indicators

	SSDWX	MGRDX	Difference
Max Drawdown Largest peak-to-trough decline	-29.88%	-60.75%	+30.87%
Max Drawdown (1Y) Largest decline over 1 year	-8.92%	-12.39%	+3.47%
Max Drawdown (3Y) Largest decline over 3 years	-15.10%	-13.58%	-1.52%
Max Drawdown (5Y) Largest decline over 5 years	-27.39%	-30.60%	+3.21%
Max Drawdown (10Y) Largest decline over 10 years	-29.88%	-30.60%	+0.72%
Current Drawdown Current decline from peak	-0.20%	-4.21%	+4.01%
Average Drawdown Average peak-to-trough decline	-5.02%	-12.41%	+7.39%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.13%	3.81%	-1.68%

Volatility

SSDWX vs. MGRDX - Volatility Comparison

The current volatility for State Street Target Retirement 2060 Fund (SSDWX) is 4.86%, while MFS International Growth Fund R6 (MGRDX) has a volatility of 5.31%. This indicates that SSDWX experiences smaller price fluctuations and is considered to be less risky than MGRDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SSDWX	MGRDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.86%	5.31%	-0.45%
Volatility (6M) Calculated over the trailing 6-month period	9.94%	11.61%	-1.67%
Volatility (1Y) Calculated over the trailing 1-year period	11.97%	13.90%	-1.93%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.47%	15.75%	-1.28%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.92%	15.79%	-0.87%

SSDWX vs. MGRDX - Expense Ratio Comparison

SSDWX has a 0.18% expense ratio, which is lower than MGRDX's 0.72% expense ratio.

Dividends

SSDWX vs. MGRDX - Dividend Comparison

SSDWX's dividend yield for the trailing twelve months is around 4.01%, less than MGRDX's 5.49% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MGRDX MFS International Growth Fund R6	5.49%	5.63%	6.35%	2.90%	3.06%	6.97%	0.80%	1.51%	4.20%	2.61%	1.45%	1.20%
SSDWX State Street Target Retirement 2060 Fund	4.01%	4.48%	4.11%	2.73%	4.23%	4.05%	2.02%	3.26%	6.40%	2.88%	2.71%	3.23%

Frequently Asked Questions

Can I hold both SSDWX and MGRDX in my portfolio?

SSDWX and MGRDX have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SSDWX or MGRDX?

MGRDX has higher volatility (5.31%) compared to SSDWX (4.86%). In terms of maximum drawdown, SSDWX dropped -29.88% vs MGRDX's -60.75%.

Which has better risk-adjusted returns?

SSDWX currently has the higher Sharpe Ratio (2.25 vs 0.71), 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.