MDOEX vs. CPOAX

Last updated Aug 4, 2026

MDOEX (Morgan Stanley Developing Opportunity Portfolio) and CPOAX (Morgan Stanley Insight A) are both mutual funds - MDOEX is a Emerging Markets Equities fund managed by Morgan Stanley, while CPOAX is a Large Cap Growth Equities fund tracking the Russell 3000 Growth Index. Over the past 5 years, MDOEX returned -0.54%/yr vs -4.03%/yr for CPOAX. Their 0.63 correlation means they have sometimes moved together and sometimes differently. Both charge a 1.15% expense ratio.

Performance

MDOEX vs. CPOAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Morgan Stanley Developing Opportunity Portfolio (MDOEX) and Morgan Stanley Insight A (CPOAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MDOEX achieves a 11.78% return, which is significantly higher than CPOAX's -7.80% return.

MDOEX

• 1D: 1.35%
• 1M: 0.92%
• 6M: 9.35%
• YTD: 11.78%
• 1Y: 11.37%
• 3Y*: 10.80%
• 5Y*: -0.54%
• 10Y*: —
• ALL TIME*: 3.16%

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%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
CPOAX Morgan Stanley Insight A	$0.00	$0.00	$0.00
MDOEX Morgan Stanley Developing Opportunity Portfolio	$0.00	$0.00	$0.00

MDOEX vs. CPOAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
MDOEX Morgan Stanley Developing Opportunity Portfolio	11.78%	8.28%	16.79%	5.36%	-30.36%	-18.69%	45.00%
CPOAX Morgan Stanley Insight A	-7.80%	18.91%	46.35%	52.72%	-61.02%	-6.83%	90.07%

Correlation

The correlation between MDOEX and CPOAX is 0.62, 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.	0.62
Correlation (3Y) Balances recent behavior with more history.	0.56
Correlation (5Y) Shows whether the relationship held over a longer period.	0.66
Correlation (All Time) Calculated using the full available price history since Feb 14, 2020	0.63

The correlation between MDOEX and CPOAX has been stable across timeframes, ranging from 0.56 to 0.66 - a consistent structural relationship.

Return for Risk

MDOEX vs. CPOAX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

MDOEX

MDOEX Risk / Return Rank: 9
MDOEX Sharpe Ratio Rank: 9
MDOEX Sortino Ratio Rank: 10
MDOEX Omega Ratio Rank: 11
MDOEX Calmar Ratio Rank: 9
MDOEX Martin Ratio Rank: 9

CPOAX

CPOAX Risk / Return Rank: 2
CPOAX Sharpe Ratio Rank: 2
CPOAX Sortino Ratio Rank: 3
CPOAX Omega Ratio Rank: 3
CPOAX Calmar Ratio Rank: 2
CPOAX Martin Ratio Rank: 2

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

MDOEX vs. CPOAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Morgan Stanley Developing Opportunity Portfolio (MDOEX) and Morgan Stanley Insight A (CPOAX). 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.

	MDOEX	CPOAX	Difference
Sharpe ratio: Return per unit of total volatility	0.37	-0.23	+0.60
Sortino ratio: Return per unit of downside risk	0.69	-0.12	+0.81
Omega ratio: Gain probability vs. loss probability	1.09	0.99	+0.11
Calmar ratio: Return relative to maximum drawdown	0.44	-0.25	+0.69
Martin ratio: Return relative to average drawdown	1.17	-0.49	+1.66

MDOEX vs. CPOAX - Sharpe Ratio Comparison

The current MDOEX Sharpe Ratio is 0.37, which is higher than the CPOAX Sharpe Ratio of -0.23. The chart below compares the historical Sharpe Ratios of MDOEX and CPOAX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

MDOEX vs. CPOAX - Drawdown Comparison

The maximum MDOEX drawdown since its inception was -59.92%, smaller than the maximum CPOAX drawdown of -84.57%. Use the drawdown chart below to compare losses from any high point for MDOEX and CPOAX.

Drawdown Indicators

	MDOEX	CPOAX	Difference
Max Drawdown Largest peak-to-trough decline	-59.92%	-84.57%	+24.65%
Max Drawdown (1Y) Largest decline over 1 year	-21.82%	-28.37%	+6.55%
Max Drawdown (3Y) Largest decline over 3 years	-21.82%	-31.38%	+9.56%
Max Drawdown (5Y) Largest decline over 5 years	-48.32%	-70.73%	+22.41%
Max Drawdown (10Y) Largest decline over 10 years	—	-71.33%	—
Current Drawdown Current decline from peak	-29.28%	-26.90%	-2.38%
Average Drawdown Average peak-to-trough decline	-34.88%	-39.12%	+4.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.25%	14.48%	-6.23%

Volatility

MDOEX vs. CPOAX - Volatility Comparison

Morgan Stanley Developing Opportunity Portfolio (MDOEX) has a higher volatility of 8.92% compared to Morgan Stanley Insight A (CPOAX) at 8.05%. This indicates that MDOEX's price experiences larger fluctuations and is considered to be riskier than CPOAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MDOEX	CPOAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.92%	8.05%	+0.87%
Volatility (6M) Calculated over the trailing 6-month period	23.83%	23.67%	+0.16%
Volatility (1Y) Calculated over the trailing 1-year period	26.01%	30.60%	-4.59%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.20%	39.99%	-15.79%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.19%	34.27%	-9.08%

MDOEX vs. CPOAX - Expense Ratio Comparison

Both MDOEX and CPOAX have an expense ratio of 1.15%.

Dividends

MDOEX vs. CPOAX - Dividend Comparison

MDOEX's dividend yield for the trailing twelve months is around 0.66%, while CPOAX has not paid dividends to shareholders.

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%
MDOEX Morgan Stanley Developing Opportunity Portfolio	0.66%	0.74%	0.76%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MDOEX and CPOAX in my portfolio?

MDOEX and CPOAX have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MDOEX or CPOAX?

MDOEX has higher volatility (8.92%) compared to CPOAX (8.05%). In terms of maximum drawdown, MDOEX dropped -59.92% vs CPOAX's -84.57%.

Which has better risk-adjusted returns?

MDOEX currently has the higher Sharpe Ratio (0.37 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.