MIDLX vs. OAKEX
Compare and contrast key facts about MFS International New Discovery Fund Class R6 (MIDLX) and Oakmark International Small Cap Fund (OAKEX).
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. OAKEX is managed by Oakmark. It was launched on Oct 31, 1995.
Performance
MIDLX vs. OAKEX - Performance Comparison
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MIDLX vs. OAKEX - 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% |
OAKEX Oakmark International Small Cap Fund | -10.36% | 29.51% | -3.00% | 19.59% | -14.50% | 17.90% | 5.00% | 31.91% | -23.71% | 26.03% |
Returns By Period
In the year-to-date period, MIDLX achieves a -4.04% return, which is significantly higher than OAKEX's -10.36% return. Over the past 10 years, MIDLX has underperformed OAKEX with an annualized return of 6.07%, while OAKEX has yielded a comparatively higher 6.96% 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%
OAKEX
- 1D
- -0.20%
- 1M
- -13.44%
- YTD
- -10.36%
- 6M
- -9.00%
- 1Y
- 7.26%
- 3Y*
- 8.12%
- 5Y*
- 4.01%
- 10Y*
- 6.96%
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MIDLX vs. OAKEX - Expense Ratio Comparison
MIDLX has a 0.91% expense ratio, which is lower than OAKEX's 1.34% expense ratio.
Return for Risk
MIDLX vs. OAKEX — Risk / Return Rank
MIDLX
OAKEX
MIDLX vs. OAKEX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for MFS International New Discovery Fund Class R6 (MIDLX) and Oakmark International Small Cap Fund (OAKEX). 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 | OAKEX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.69 | 0.31 | +0.38 |
Sortino ratioReturn per unit of downside risk | 0.95 | 0.53 | +0.43 |
Omega ratioGain probability vs. loss probability | 1.14 | 1.07 | +0.07 |
Calmar ratioReturn relative to maximum drawdown | 0.64 | 0.26 | +0.38 |
Martin ratioReturn relative to average drawdown | 2.45 | 0.90 | +1.55 |
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 | OAKEX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.69 | 0.31 | +0.38 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.18 | 0.23 | -0.05 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.44 | 0.38 | +0.06 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.54 | 0.41 | +0.13 |
Correlation
The correlation between MIDLX and OAKEX is 0.81, 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. OAKEX - Dividend Comparison
MIDLX's dividend yield for the trailing twelve months is around 3.51%, less than OAKEX's 5.85% 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% |
OAKEX Oakmark International Small Cap Fund | 5.85% | 5.24% | 6.38% | 1.83% | 1.89% | 0.61% | 1.87% | 0.21% | 8.93% | 3.64% | 3.09% | 5.06% |
Drawdowns
MIDLX vs. OAKEX - Drawdown Comparison
The maximum MIDLX drawdown since its inception was -34.70%, smaller than the maximum OAKEX drawdown of -70.12%. Use the drawdown chart below to compare losses from any high point for MIDLX and OAKEX.
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Drawdown Indicators
| MIDLX | OAKEX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.70% | -70.12% | +35.42% |
Max Drawdown (1Y)Largest decline over 1 year | -11.75% | -17.18% | +5.43% |
Max Drawdown (5Y)Largest decline over 5 years | -33.58% | -38.40% | +4.82% |
Max Drawdown (10Y)Largest decline over 10 years | -34.70% | -49.61% | +14.91% |
Current DrawdownCurrent decline from peak | -11.75% | -14.97% | +3.22% |
Average DrawdownAverage peak-to-trough decline | -6.96% | -13.53% | +6.57% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.08% | 5.00% | -1.92% |
Volatility
MIDLX vs. OAKEX - Volatility Comparison
The current volatility for MFS International New Discovery Fund Class R6 (MIDLX) is 5.06%, while Oakmark International Small Cap Fund (OAKEX) has a volatility of 6.15%. This indicates that MIDLX experiences smaller price fluctuations and is considered to be less risky than OAKEX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MIDLX | OAKEX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.06% | 6.15% | -1.09% |
Volatility (6M)Calculated over the trailing 6-month period | 8.19% | 10.68% | -2.49% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.10% | 16.51% | -4.41% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.05% | 17.58% | -4.53% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.92% | 18.59% | -4.67% |