CPOAX vs. MRFOX
CPOAX (Morgan Stanley Insight A) and MRFOX (Marshfield Concentrated Opportunity Fund) are both Large Cap Growth Equities funds. Over the past 10 years, CPOAX returned 15.13%/yr vs 15.94%/yr for MRFOX. Their 0.47 correlation means their historical movements had little consistent relationship. CPOAX charges 1.15%/yr vs 1.05%/yr for MRFOX.
Performance
CPOAX vs. MRFOX - Performance Comparison
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Returns By Period
In the year-to-date period, CPOAX achieves a -7.80% return, which is significantly lower than MRFOX's 4.52% return. Over the past 10 years, CPOAX has underperformed MRFOX with an annualized return of 15.13%, while MRFOX has yielded a comparatively higher 15.94% annualized return.
CPOAX
- 1D
- -2.37%
- 1M
- -9.05%
- 6M
- -0.21%
- YTD
- -7.80%
- 1Y
- -3.90%
- 3Y*
- 19.22%
- 5Y*
- -4.03%
- 10Y*
- 15.13%
- ALL TIME*
- 10.45%
MRFOX
- 1D
- -0.33%
- 1M
- -0.83%
- 6M
- 3.05%
- YTD
- 4.52%
- 1Y
- 11.46%
- 3Y*
- 13.15%
- 5Y*
- 11.42%
- 10Y*
- 15.94%
- ALL TIME*
- 15.54%
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 |
CPOAX vs. MRFOX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CPOAX Morgan Stanley Insight A | -7.80% | 18.91% | 46.35% | 52.72% | -61.02% | -6.83% | 115.86% | 33.08% | 11.94% | 48.40% |
MRFOX Marshfield Concentrated Opportunity Fund | 4.52% | 10.05% | 17.10% | 17.68% | 5.06% | 17.71% | 15.19% | 36.26% | 1.89% | 25.92% |
Correlation
The correlation between CPOAX and MRFOX is 0.17, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.17 |
Correlation (3Y) Balances recent behavior with more history. | 0.36 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.44 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.45 |
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016 | 0.47 |
Over the past year, the correlation between CPOAX and MRFOX has dropped to 0.17 - well below their long-term average of 0.47, suggesting their price drivers have been diverging.
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Return for Risk
CPOAX vs. MRFOX — Risk / Return Rank
CPOAX
MRFOX
CPOAX vs. MRFOX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Morgan Stanley Insight A (CPOAX) and Marshfield Concentrated Opportunity Fund (MRFOX). 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.
| CPOAX | MRFOX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.31 | ||
| Sortino ratioReturn per unit of downside risk | -1.79 | ||
| Omega ratioGain probability vs. loss probability | 0.99 | 1.19 | -0.21 |
| Calmar ratioReturn relative to maximum drawdown | -0.25 | 1.59 | -1.84 |
| Martin ratioReturn relative to average drawdown | -0.49 | 4.69 | -5.17 |
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Drawdowns
CPOAX vs. MRFOX - Drawdown Comparison
The maximum CPOAX drawdown since its inception was -84.57%, which is greater than MRFOX's maximum drawdown of -29.10%. Use the drawdown chart below to compare losses from any high point for CPOAX and MRFOX.
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Drawdown Indicators
| CPOAX | MRFOX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -84.57% | -29.10% | -55.47% |
Max Drawdown (1Y)Largest decline over 1 year | -28.37% | -7.03% | -21.34% |
Max Drawdown (3Y)Largest decline over 3 years | -31.38% | -7.91% | -23.47% |
Max Drawdown (5Y)Largest decline over 5 years | -70.73% | -12.98% | -57.75% |
Max Drawdown (10Y)Largest decline over 10 years | -71.33% | -29.10% | -42.23% |
Current DrawdownCurrent decline from peak | -26.90% | -1.70% | -25.20% |
Average DrawdownAverage peak-to-trough decline | -39.12% | -2.34% | -36.78% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 14.48% | 2.39% | +12.09% |
Volatility
CPOAX vs. MRFOX - Volatility Comparison
Morgan Stanley Insight A (CPOAX) has a higher volatility of 8.05% compared to Marshfield Concentrated Opportunity Fund (MRFOX) at 4.29%. This indicates that CPOAX's price experiences larger fluctuations and is considered to be riskier than MRFOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CPOAX | MRFOX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.05% | 4.29% | +3.76% |
Volatility (6M)Calculated over the trailing 6-month period | 23.67% | 7.81% | +15.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 30.60% | 10.40% | +20.20% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 39.99% | 12.16% | +27.83% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 34.27% | 14.18% | +20.09% |
CPOAX vs. MRFOX - Expense Ratio Comparison
CPOAX has a 1.15% expense ratio, which is higher than MRFOX's 1.05% expense ratio.
Dividends
CPOAX vs. MRFOX - Dividend Comparison
CPOAX has not paid dividends to shareholders, while MRFOX's dividend yield for the trailing twelve months is around 1.55%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CPOAX Morgan Stanley Insight A | 0.00% | 0.00% | 0.61% | 0.00% | 51.84% | 14.94% | 9.06% | 7.29% | 9.33% | 28.73% | 9.83% | 8.92% |
MRFOX Marshfield Concentrated Opportunity Fund | 1.55% | 1.62% | 4.59% | 0.46% | 0.35% | 6.78% | 2.68% | 1.39% | 1.94% | 2.06% | 0.60% | 0.00% |
Frequently Asked Questions
CPOAX and MRFOX have a correlation of 0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CPOAX has higher volatility (8.05%) compared to MRFOX (4.29%). In terms of maximum drawdown, CPOAX dropped -84.57% vs MRFOX's -29.10%.
MRFOX currently has the higher Sharpe Ratio (1.08 vs -0.23), 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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