MWNIX vs. COIIX
Compare and contrast key facts about MFS International New Discovery Fund (MWNIX) and Calvert International Opportunities Fund (COIIX).
MWNIX is managed by MFS. It was launched on Oct 8, 1997. COIIX is managed by Calvert Research and Management. It was launched on May 30, 2007.
Performance
MWNIX vs. COIIX - Performance Comparison
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MWNIX vs. COIIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MWNIX MFS International New Discovery Fund | -4.10% | 16.88% | 0.90% | 13.03% | -18.63% | 5.06% | 9.98% | 22.85% | -10.41% | 30.67% |
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, MWNIX achieves a -4.10% return, which is significantly higher than COIIX's -7.27% return. Both investments have delivered pretty close results over the past 10 years, with MWNIX having a 5.54% annualized return and COIIX not far behind at 5.47%.
MWNIX
- 1D
- -0.25%
- 1M
- -11.78%
- YTD
- -4.10%
- 6M
- -4.89%
- 1Y
- 9.37%
- 3Y*
- 6.45%
- 5Y*
- 1.70%
- 10Y*
- 5.54%
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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MWNIX vs. COIIX - Expense Ratio Comparison
MWNIX has a 1.03% expense ratio, which is lower than COIIX's 1.06% expense ratio.
Return for Risk
MWNIX vs. COIIX — Risk / Return Rank
MWNIX
COIIX
MWNIX vs. COIIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for MFS International New Discovery Fund (MWNIX) 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.
| MWNIX | COIIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.68 | 0.19 | +0.49 |
Sortino ratioReturn per unit of downside risk | 0.93 | 0.36 | +0.58 |
Omega ratioGain probability vs. loss probability | 1.13 | 1.05 | +0.09 |
Calmar ratioReturn relative to maximum drawdown | 0.63 | 0.15 | +0.48 |
Martin ratioReturn relative to average drawdown | 2.39 | 0.56 | +1.84 |
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
| MWNIX | COIIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.68 | 0.19 | +0.49 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.13 | -0.04 | +0.17 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.40 | 0.32 | +0.08 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.56 | 0.19 | +0.37 |
Correlation
The correlation between MWNIX and COIIX is 0.91, 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
MWNIX vs. COIIX - Dividend Comparison
MWNIX's dividend yield for the trailing twelve months is around 3.38%, less than COIIX's 3.76% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MWNIX MFS International New Discovery Fund | 3.38% | 3.24% | 7.61% | 4.05% | 5.68% | 5.06% | 3.90% | 2.67% | 6.68% | 1.63% | 1.09% | 1.12% |
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
MWNIX vs. COIIX - Drawdown Comparison
The maximum MWNIX drawdown since its inception was -58.38%, roughly equal to the maximum COIIX drawdown of -57.27%. Use the drawdown chart below to compare losses from any high point for MWNIX and COIIX.
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Drawdown Indicators
| MWNIX | COIIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.38% | -57.27% | -1.11% |
Max Drawdown (1Y)Largest decline over 1 year | -11.78% | -12.74% | +0.96% |
Max Drawdown (5Y)Largest decline over 5 years | -33.67% | -40.36% | +6.69% |
Max Drawdown (10Y)Largest decline over 10 years | -34.72% | -40.36% | +5.64% |
Current DrawdownCurrent decline from peak | -11.78% | -17.00% | +5.22% |
Average DrawdownAverage peak-to-trough decline | -9.61% | -15.06% | +5.45% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.09% | 3.50% | -0.41% |
Volatility
MWNIX vs. COIIX - Volatility Comparison
The current volatility for MFS International New Discovery Fund (MWNIX) is 5.09%, while Calvert International Opportunities Fund (COIIX) has a volatility of 5.87%. This indicates that MWNIX 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
| MWNIX | COIIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.09% | 5.87% | -0.78% |
Volatility (6M)Calculated over the trailing 6-month period | 8.21% | 9.63% | -1.42% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.11% | 14.87% | -2.76% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.02% | 16.81% | -3.79% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.90% | 16.91% | -3.01% |