MMGPX vs. CPODX

Last updated Jun 24, 2026

MMGPX (Morgan Stanley Discovery Portfolio) and CPODX (Morgan Stanley Insight Fund) are both mutual funds - MMGPX is a Mid Cap Growth Equities fund managed by Morgan Stanley, while CPODX is a Large Cap Growth Equities fund managed by Morgan Stanley. Over the past 5 years, MMGPX returned -7.25%/yr vs -3.01%/yr for CPODX. With a 0.97 correlation, they move nearly in lockstep. MMGPX charges 0.04%/yr vs 0.83%/yr for CPODX.

Performance

MMGPX vs. CPODX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Morgan Stanley Discovery Portfolio (MMGPX) and Morgan Stanley Insight Fund (CPODX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MMGPX achieves a -2.33% return, which is significantly higher than CPODX's -3.24% return.

MMGPX

• 1D: -1.11%
• 1M: -4.55%
• YTD: -2.33%
• 6M: -5.94%
• 1Y: -6.55%
• 3Y*: 22.02%
• 5Y*: -7.25%
• 10Y*: —

CPODX

• 1D: -1.76%
• 1M: -1.76%
• YTD: -3.24%
• 6M: -7.29%
• 1Y: 2.24%
• 3Y*: 25.64%
• 5Y*: -3.01%
• 10Y*: 16.81%

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

MMGPX vs. CPODX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MMGPX Morgan Stanley Discovery Portfolio	-2.33%	12.58%	41.83%	44.34%	-63.37%	-11.55%	152.67%	40.20%	10.89%	28.18%
CPODX Morgan Stanley Insight Fund	-3.24%	19.23%	46.73%	53.03%	-60.99%	-6.54%	116.44%	33.45%	12.29%	34.56%

Correlation

The correlation between MMGPX and CPODX is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.96
Correlation (3Y) Calculated over the trailing 3-year period	0.97
Correlation (5Y) Calculated over the trailing 5-year period	0.98
Correlation (All Time) Calculated using the full available price history since Feb 1, 2017	0.97

The correlation between MMGPX and CPODX has been stable across timeframes, ranging from 0.96 to 0.98 - a consistent structural relationship.

Return for Risk

MMGPX vs. CPODX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MMGPX

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

CPODX

CPODX Risk / Return Rank: 4
CPODX Sharpe Ratio Rank: 4
CPODX Sortino Ratio Rank: 4
CPODX Omega Ratio Rank: 4
CPODX Calmar Ratio Rank: 4
CPODX Martin Ratio Rank: 4

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

MMGPX vs. CPODX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Morgan Stanley Discovery Portfolio (MMGPX) and Morgan Stanley Insight Fund (CPODX). 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.

	MMGPX	CPODX	Difference
Sharpe ratio: Return per unit of total volatility	-0.19	0.15	-0.34
Sortino ratio: Return per unit of downside risk	-0.07	0.42	-0.49
Omega ratio: Gain probability vs. loss probability	0.99	1.05	-0.06
Calmar ratio: Return relative to maximum drawdown	-0.20	0.16	-0.36
Martin ratio: Return relative to average drawdown	-0.40	0.34	-0.74

MMGPX vs. CPODX - Sharpe Ratio Comparison

The current MMGPX Sharpe Ratio is -0.19, which is lower than the CPODX Sharpe Ratio of 0.15. The chart below compares the historical Sharpe Ratios of MMGPX and CPODX, 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

MMGPX vs. CPODX - Drawdown Comparison

The maximum MMGPX drawdown since its inception was -75.38%, smaller than the maximum CPODX drawdown of -84.51%. Use the drawdown chart below to compare losses from any high point for MMGPX and CPODX.

Drawdown Indicators

	MMGPX	CPODX	Difference
Max Drawdown Largest peak-to-trough decline	-75.38%	-84.51%	+9.13%
Max Drawdown (1Y) Largest decline over 1 year	-27.79%	-28.28%	+0.49%
Max Drawdown (3Y) Largest decline over 3 years	-29.27%	-31.37%	+2.10%
Max Drawdown (5Y) Largest decline over 5 years	-72.70%	-70.71%	-1.99%
Max Drawdown (10Y) Largest decline over 10 years	—	-71.26%	—
Current Drawdown Current decline from peak	-41.64%	-22.47%	-19.17%
Average Drawdown Average peak-to-trough decline	-30.29%	-38.42%	+8.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	13.62%	13.49%	+0.13%

Volatility

MMGPX vs. CPODX - Volatility Comparison

The current volatility for Morgan Stanley Discovery Portfolio (MMGPX) is 9.77%, while Morgan Stanley Insight Fund (CPODX) has a volatility of 10.71%. This indicates that MMGPX experiences smaller price fluctuations and is considered to be less risky than CPODX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MMGPX	CPODX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.77%	10.71%	-0.94%
Volatility (6M) Calculated over the trailing 6-month period	21.75%	22.89%	-1.14%
Volatility (1Y) Calculated over the trailing 1-year period	28.61%	30.03%	-1.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	39.83%	39.92%	-0.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.22%	34.21%	+1.01%

MMGPX vs. CPODX - Expense Ratio Comparison

MMGPX has a 0.04% expense ratio, which is lower than CPODX's 0.83% expense ratio.

Dividends

MMGPX vs. CPODX - Dividend Comparison

MMGPX's dividend yield for the trailing twelve months is around 0.44%, while CPODX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CPODX Morgan Stanley Insight Fund	0.00%	0.00%	0.64%	0.00%	41.78%	12.90%	7.97%	6.49%	8.40%	26.14%	9.16%	8.38%
MMGPX Morgan Stanley Discovery Portfolio	0.44%	0.43%	0.00%	0.00%	125.40%	64.53%	7.93%	15.63%	28.02%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MMGPX and CPODX in my portfolio?

With a correlation of 0.96, MMGPX and CPODX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, MMGPX or CPODX?

CPODX has higher volatility (10.71%) compared to MMGPX (9.77%). In terms of maximum drawdown, MMGPX dropped -75.38% vs CPODX's -84.51%.

Which has better risk-adjusted returns?

CPODX currently has the higher Sharpe Ratio (0.15 vs -0.19), 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.