MGRDX vs. FMDGX
MGRDX (MFS International Growth Fund R6) and FMDGX (Fidelity Mid Cap Growth Index Fund) are both mutual funds - MGRDX is a Foreign Large Cap Equities fund actively managed by MFS, while FMDGX is a Mid Cap Growth Equities fund tracking the Russell Midcap Growth Index. MGRDX is actively managed, while FMDGX is passively managed. Over the past 5 years, MGRDX returned 6.38%/yr vs 4.43%/yr for FMDGX. Their 0.69 correlation means they have sometimes moved together and sometimes differently. MGRDX charges 0.72%/yr vs 0.05%/yr for FMDGX.
Performance
MGRDX vs. FMDGX - Performance Comparison
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Returns By Period
In the year-to-date period, MGRDX achieves a 3.88% return, which is significantly higher than FMDGX's 0.60% return.
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%
FMDGX
- 1D
- 2.29%
- 1M
- -3.87%
- 6M
- 1.50%
- YTD
- 0.60%
- 1Y
- -0.77%
- 3Y*
- 11.99%
- 5Y*
- 4.43%
- 10Y*
- —
- ALL TIME*
- 10.00%
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. FMDGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
MGRDX MFS International Growth Fund R6 | 3.88% | 21.18% | 9.22% | 14.99% | -15.00% | 9.61% | 15.82% | 7.70% |
FMDGX Fidelity Mid Cap Growth Index Fund | 0.60% | 8.60% | 22.03% | 25.79% | -26.67% | 12.67% | 34.84% | 4.63% |
Correlation
The correlation between MGRDX and FMDGX is 0.66, 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. | 0.66 |
Correlation (3Y) Balances recent behavior with more history. | 0.65 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.69 |
Correlation (All Time) Calculated using the full available price history since Jul 17, 2019 | 0.69 |
The correlation between MGRDX and FMDGX has been stable across timeframes, ranging from 0.65 to 0.69 - a consistent structural relationship.
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Return for Risk
MGRDX vs. FMDGX — Risk / Return Rank
MGRDX
FMDGX
MGRDX vs. FMDGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for MFS International Growth Fund R6 (MGRDX) and Fidelity Mid Cap Growth Index Fund (FMDGX). 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 | FMDGX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.84 | ||
| Sortino ratioReturn per unit of downside risk | +1.13 | ||
| Omega ratioGain probability vs. loss probability | 1.12 | 0.99 | +0.14 |
| Calmar ratioReturn relative to maximum drawdown | 0.76 | -0.21 | +0.97 |
| Martin ratioReturn relative to average drawdown | 2.31 | -0.57 | +2.88 |
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Drawdowns
MGRDX vs. FMDGX - Drawdown Comparison
The maximum MGRDX drawdown since its inception was -60.75%, which is greater than FMDGX's maximum drawdown of -38.59%. Use the drawdown chart below to compare losses from any high point for MGRDX and FMDGX.
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Drawdown Indicators
| MGRDX | FMDGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -60.75% | -38.59% | -22.16% |
Max Drawdown (1Y)Largest decline over 1 year | -12.39% | -14.75% | +2.36% |
Max Drawdown (3Y)Largest decline over 3 years | -13.25% | -25.30% | +12.05% |
Max Drawdown (5Y)Largest decline over 5 years | -30.60% | -38.59% | +7.99% |
Max Drawdown (10Y)Largest decline over 10 years | -30.60% | — | — |
Current DrawdownCurrent decline from peak | -2.99% | -6.20% | +3.21% |
Average DrawdownAverage peak-to-trough decline | -12.37% | -11.03% | -1.34% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.08% | 5.29% | -1.21% |
Volatility
MGRDX vs. FMDGX - Volatility Comparison
The current volatility for MFS International Growth Fund R6 (MGRDX) is 3.93%, while Fidelity Mid Cap Growth Index Fund (FMDGX) has a volatility of 5.15%. This indicates that MGRDX experiences smaller price fluctuations and is considered to be less risky than FMDGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MGRDX | FMDGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.93% | 5.15% | -1.22% |
Volatility (6M)Calculated over the trailing 6-month period | 12.14% | 14.00% | -1.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.19% | 17.61% | -3.42% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.81% | 22.54% | -6.73% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 15.61% | 24.23% | -8.62% |
MGRDX vs. FMDGX - Expense Ratio Comparison
MGRDX has a 0.72% expense ratio, which is higher than FMDGX's 0.05% expense ratio.
Dividends
MGRDX vs. FMDGX - Dividend Comparison
MGRDX's dividend yield for the trailing twelve months is around 5.42%, more than FMDGX's 1.84% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FMDGX Fidelity Mid Cap Growth Index Fund | 1.84% | 1.85% | 0.47% | 0.63% | 0.81% | 6.43% | 0.36% | 0.29% | 0.00% | 0.00% | 0.00% | 0.00% |
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 FMDGX have a correlation of 0.66, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FMDGX has higher volatility (5.15%) compared to MGRDX (3.93%). In terms of maximum drawdown, MGRDX dropped -60.75% vs FMDGX's -38.59%.
MGRDX currently has the higher Sharpe Ratio (0.67 vs -0.17), 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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