MIDLX vs. COIIX
Compare and contrast key facts about MFS International New Discovery Fund Class R6 (MIDLX) and Calvert International Opportunities Fund (COIIX).
MIDLX is a passively managed fund by MFS that tracks the performance of the MSCI All Country World ex-US Small Mid Cap Index. It was launched on Jun 1, 2012. COIIX is managed by Calvert Research and Management. It was launched on May 30, 2007.
Performance
MIDLX vs. COIIX - Performance Comparison
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MIDLX vs. COIIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MIDLX MFS International New Discovery Fund Class R6 | -4.04% | 17.03% | 3.33% | 13.21% | -18.52% | 5.17% | 10.15% | 24.97% | -10.29% | 30.65% |
COIIX Calvert International Opportunities Fund | -7.27% | 13.80% | -1.48% | 12.95% | -26.69% | 13.97% | 14.05% | 26.09% | -14.57% | 38.55% |
Returns By Period
In the year-to-date period, MIDLX achieves a -4.04% return, which is significantly higher than COIIX's -7.27% return. Over the past 10 years, MIDLX has outperformed COIIX with an annualized return of 6.07%, while COIIX has yielded a comparatively lower 5.47% annualized return.
MIDLX
- 1D
- -0.25%
- 1M
- -11.75%
- YTD
- -4.04%
- 6M
- -4.78%
- 1Y
- 9.51%
- 3Y*
- 7.41%
- 5Y*
- 2.30%
- 10Y*
- 6.07%
COIIX
- 1D
- 0.00%
- 1M
- -12.74%
- YTD
- -7.27%
- 6M
- -8.00%
- 1Y
- 4.18%
- 3Y*
- 3.84%
- 5Y*
- -0.68%
- 10Y*
- 5.47%
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MIDLX vs. COIIX - Expense Ratio Comparison
MIDLX has a 0.91% expense ratio, which is lower than COIIX's 1.06% expense ratio.
Return for Risk
MIDLX vs. COIIX — Risk / Return Rank
MIDLX
COIIX
MIDLX vs. COIIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for MFS International New Discovery Fund Class R6 (MIDLX) and Calvert International Opportunities Fund (COIIX). 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.
| MIDLX | COIIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.69 | 0.19 | +0.50 |
Sortino ratioReturn per unit of downside risk | 0.95 | 0.36 | +0.59 |
Omega ratioGain probability vs. loss probability | 1.14 | 1.05 | +0.09 |
Calmar ratioReturn relative to maximum drawdown | 0.64 | 0.15 | +0.49 |
Martin ratioReturn relative to average drawdown | 2.45 | 0.56 | +1.90 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| MIDLX | COIIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.69 | 0.19 | +0.50 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.18 | -0.04 | +0.22 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.44 | 0.32 | +0.11 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.54 | 0.19 | +0.34 |
Correlation
The correlation between MIDLX and COIIX is 0.90, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
MIDLX vs. COIIX - Dividend Comparison
MIDLX's dividend yield for the trailing twelve months is around 3.51%, less than COIIX's 3.76% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MIDLX MFS International New Discovery Fund Class R6 | 3.51% | 3.37% | 10.08% | 4.21% | 5.85% | 5.19% | 4.03% | 4.36% | 6.82% | 1.63% | 1.09% | 1.25% |
COIIX Calvert International Opportunities Fund | 3.76% | 3.49% | 3.24% | 1.77% | 0.61% | 7.67% | 0.78% | 1.32% | 9.82% | 7.19% | 1.52% | 4.53% |
Drawdowns
MIDLX vs. COIIX - Drawdown Comparison
The maximum MIDLX drawdown since its inception was -34.70%, smaller than the maximum COIIX drawdown of -57.27%. Use the drawdown chart below to compare losses from any high point for MIDLX and COIIX.
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Drawdown Indicators
| MIDLX | COIIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.70% | -57.27% | +22.57% |
Max Drawdown (1Y)Largest decline over 1 year | -11.75% | -12.74% | +0.99% |
Max Drawdown (5Y)Largest decline over 5 years | -33.58% | -40.36% | +6.78% |
Max Drawdown (10Y)Largest decline over 10 years | -34.70% | -40.36% | +5.66% |
Current DrawdownCurrent decline from peak | -11.75% | -17.00% | +5.25% |
Average DrawdownAverage peak-to-trough decline | -6.96% | -15.06% | +8.10% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.08% | 3.50% | -0.42% |
Volatility
MIDLX vs. COIIX - Volatility Comparison
The current volatility for MFS International New Discovery Fund Class R6 (MIDLX) is 5.06%, while Calvert International Opportunities Fund (COIIX) has a volatility of 5.87%. This indicates that MIDLX experiences smaller price fluctuations and is considered to be less risky than COIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MIDLX | COIIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.06% | 5.87% | -0.81% |
Volatility (6M)Calculated over the trailing 6-month period | 8.19% | 9.63% | -1.44% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.10% | 14.87% | -2.77% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.05% | 16.81% | -3.76% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.92% | 16.91% | -2.99% |