MGRDX vs. AAIEX
MGRDX (MFS International Growth Fund R6) and AAIEX (American Beacon International Equity Fund) are both Foreign Large Cap Equities funds. Over the past 10 years, MGRDX returned 9.75%/yr vs 9.28%/yr for AAIEX. Their correlation of 0.91 means they have usually moved in the same direction. Both charge a 0.72% expense ratio.
Performance
MGRDX vs. AAIEX - Performance Comparison
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Returns By Period
In the year-to-date period, MGRDX achieves a 3.88% return, which is significantly lower than AAIEX's 12.56% return. Both investments have delivered pretty close results over the past 10 years, with MGRDX having a 9.75% annualized return and AAIEX not far behind at 9.28%.
MGRDX
- 1D
- 2.05%
- 1M
- 0.51%
- 6M
- 0.53%
- YTD
- 3.88%
- 1Y
- 11.35%
- 3Y*
- 11.10%
- 5Y*
- 6.38%
- 10Y*
- 9.75%
- ALL TIME*
- 5.51%
AAIEX
- 1D
- 2.30%
- 1M
- 3.13%
- 6M
- 6.79%
- YTD
- 12.56%
- 1Y
- 27.54%
- 3Y*
- 17.17%
- 5Y*
- 11.77%
- 10Y*
- 9.28%
- ALL TIME*
- 7.04%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
MGRDX vs. AAIEX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MGRDX MFS International Growth Fund R6 | 3.88% | 21.18% | 9.22% | 14.99% | -15.00% | 9.61% | 15.82% | 27.32% | -8.79% | 32.56% |
AAIEX American Beacon International Equity Fund | 12.56% | 37.12% | 2.16% | 22.54% | -10.87% | 9.74% | 1.06% | 19.44% | -16.42% | 24.83% |
Correlation
The correlation between MGRDX and AAIEX is 0.88, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.88 |
Correlation (3Y) Balances recent behavior with more history. | 0.87 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.88 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.87 |
Correlation (All Time) Calculated using the full available price history since Apr 28, 2006 | 0.91 |
The correlation between MGRDX and AAIEX has been stable across timeframes, ranging from 0.87 to 0.91 - a consistent structural relationship.
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Return for Risk
MGRDX vs. AAIEX — Risk / Return Rank
MGRDX
AAIEX
MGRDX vs. AAIEX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for MFS International Growth Fund R6 (MGRDX) and American Beacon International Equity Fund (AAIEX). 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.
| MGRDX | AAIEX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.95 | ||
| Sortino ratioReturn per unit of downside risk | -1.33 | ||
| Omega ratioGain probability vs. loss probability | 1.12 | 1.30 | -0.17 |
| Calmar ratioReturn relative to maximum drawdown | 0.76 | 1.82 | -1.05 |
| Martin ratioReturn relative to average drawdown | 2.31 | 5.95 | -3.64 |
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Drawdowns
MGRDX vs. AAIEX - Drawdown Comparison
The maximum MGRDX drawdown since its inception was -60.75%, roughly equal to the maximum AAIEX drawdown of -59.31%. Use the drawdown chart below to compare losses from any high point for MGRDX and AAIEX.
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Drawdown Indicators
| MGRDX | AAIEX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -60.75% | -59.31% | -1.44% |
Max Drawdown (1Y)Largest decline over 1 year | -12.39% | -13.67% | +1.28% |
Max Drawdown (3Y)Largest decline over 3 years | -13.25% | -21.20% | +7.95% |
Max Drawdown (5Y)Largest decline over 5 years | -30.60% | -29.21% | -1.39% |
Max Drawdown (10Y)Largest decline over 10 years | -30.60% | -43.34% | +12.74% |
Current DrawdownCurrent decline from peak | -2.99% | 0.00% | -2.99% |
Average DrawdownAverage peak-to-trough decline | -12.37% | -11.21% | -1.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.08% | 4.17% | -0.09% |
Volatility
MGRDX vs. AAIEX - Volatility Comparison
The current volatility for MFS International Growth Fund R6 (MGRDX) is 3.93%, while American Beacon International Equity Fund (AAIEX) has a volatility of 4.48%. This indicates that MGRDX experiences smaller price fluctuations and is considered to be less risky than AAIEX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MGRDX | AAIEX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.93% | 4.48% | -0.55% |
Volatility (6M)Calculated over the trailing 6-month period | 12.14% | 13.00% | -0.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.19% | 15.39% | -1.20% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.81% | 21.45% | -5.64% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 15.61% | 19.96% | -4.35% |
MGRDX vs. AAIEX - Expense Ratio Comparison
Both MGRDX and AAIEX have an expense ratio of 0.72%.
Dividends
MGRDX vs. AAIEX - Dividend Comparison
MGRDX's dividend yield for the trailing twelve months is around 5.42%, less than AAIEX's 11.24% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AAIEX American Beacon International Equity Fund | 11.24% | 12.65% | 24.49% | 5.36% | 2.76% | 10.99% | 1.63% | 2.93% | 9.71% | 3.15% | 2.51% | 2.45% |
MGRDX MFS International Growth Fund R6 | 5.42% | 5.63% | 6.35% | 2.90% | 3.06% | 6.97% | 0.80% | 1.51% | 4.20% | 2.61% | 1.45% | 1.20% |
Frequently Asked Questions
MGRDX and AAIEX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AAIEX has higher volatility (4.48%) compared to MGRDX (3.93%). In terms of maximum drawdown, MGRDX dropped -60.75% vs AAIEX's -59.31%.
AAIEX currently has the higher Sharpe Ratio (1.61 vs 0.67), 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.
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