MEMEX vs. MACGX

Last updated Jun 24, 2026

MEMEX (Morgan Stanley Emerging Markets Equity Portfolio) and MACGX (Morgan Stanley Institutional Fund Trust Discovery Portfolio Class A) are both mutual funds - MEMEX is a Emerging Markets Diversified fund managed by Morgan Stanley, while MACGX is a Mid Cap Growth Equities fund managed by Morgan Stanley. Over the past 5 years, MEMEX returned 9.23%/yr vs -6.84%/yr for MACGX. A 0.51 correlation means they provide meaningful diversification when combined. MEMEX charges 1.25%/yr vs 1.00%/yr for MACGX.

Performance

MEMEX vs. MACGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Morgan Stanley Emerging Markets Equity Portfolio (MEMEX) and Morgan Stanley Institutional Fund Trust Discovery Portfolio Class A (MACGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MEMEX achieves a 35.46% return, which is significantly higher than MACGX's -1.69% return.

MEMEX

• 1D: 0.08%
• 1M: 8.08%
• YTD: 35.46%
• 6M: 37.41%
• 1Y: 63.57%
• 3Y*: 27.19%
• 5Y*: 9.23%
• 10Y*: —

MACGX

• 1D: -1.09%
• 1M: -3.83%
• YTD: -1.69%
• 6M: -5.39%
• 1Y: -5.17%
• 3Y*: 23.02%
• 5Y*: -6.84%
• 10Y*: 13.89%

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

MEMEX vs. MACGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MEMEX Morgan Stanley Emerging Markets Equity Portfolio	35.46%	32.98%	7.82%	11.90%	-25.14%	2.99%	14.40%	19.61%	-17.46%	26.45%
MACGX Morgan Stanley Institutional Fund Trust Discovery Portfolio Class A	-1.69%	13.71%	42.06%	46.30%	-63.51%	-12.84%	142.01%	39.41%	11.85%	28.89%

Correlation

The correlation between MEMEX and MACGX is 0.53, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.53
Correlation (3Y) Calculated over the trailing 3-year period	0.52
Correlation (5Y) Calculated over the trailing 5-year period	0.56
Correlation (All Time) Calculated using the full available price history since Feb 1, 2017	0.51

The correlation between MEMEX and MACGX has been stable across timeframes, ranging from 0.51 to 0.56 - a consistent structural relationship.

Return for Risk

MEMEX vs. MACGX — Risk / Return Rank

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

MEMEX

MEMEX Risk / Return Rank: 89
MEMEX Sharpe Ratio Rank: 93
MEMEX Sortino Ratio Rank: 82
MEMEX Omega Ratio Rank: 87
MEMEX Calmar Ratio Rank: 89
MEMEX Martin Ratio Rank: 91

MACGX

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

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.

MEMEX vs. MACGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Morgan Stanley Emerging Markets Equity Portfolio (MEMEX) and Morgan Stanley Institutional Fund Trust Discovery Portfolio Class A (MACGX). 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.

	MEMEX	MACGX	Difference
Sharpe ratio: Return per unit of total volatility	2.96	-0.14	+3.10
Sortino ratio: Return per unit of downside risk	3.60	0.00	+3.60
Omega ratio: Gain probability vs. loss probability	1.56	1.00	+0.56
Calmar ratio: Return relative to maximum drawdown	4.29	-0.15	+4.44
Martin ratio: Return relative to average drawdown	17.37	-0.30	+17.67

MEMEX vs. MACGX - Sharpe Ratio Comparison

The current MEMEX Sharpe Ratio is 2.96, which is higher than the MACGX Sharpe Ratio of -0.14. The chart below compares the historical Sharpe Ratios of MEMEX and MACGX, 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

MEMEX vs. MACGX - Drawdown Comparison

The maximum MEMEX drawdown since its inception was -39.90%, smaller than the maximum MACGX drawdown of -77.61%. Use the drawdown chart below to compare losses from any high point for MEMEX and MACGX.

Drawdown Indicators

	MEMEX	MACGX	Difference
Max Drawdown Largest peak-to-trough decline	-39.90%	-77.61%	+37.71%
Max Drawdown (1Y) Largest decline over 1 year	-14.99%	-27.55%	+12.56%
Max Drawdown (3Y) Largest decline over 3 years	-17.21%	-28.55%	+11.34%
Max Drawdown (5Y) Largest decline over 5 years	-37.30%	-77.61%	+40.31%
Max Drawdown (10Y) Largest decline over 10 years	—	-77.61%	—
Current Drawdown Current decline from peak	-0.29%	-45.34%	+45.05%
Average Drawdown Average peak-to-trough decline	-14.98%	-25.68%	+10.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.70%	13.19%	-9.49%

Volatility

MEMEX vs. MACGX - Volatility Comparison

Morgan Stanley Emerging Markets Equity Portfolio (MEMEX) has a higher volatility of 11.42% compared to Morgan Stanley Institutional Fund Trust Discovery Portfolio Class A (MACGX) at 9.70%. This indicates that MEMEX's price experiences larger fluctuations and is considered to be riskier than MACGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MEMEX	MACGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.42%	9.70%	+1.72%
Volatility (6M) Calculated over the trailing 6-month period	19.78%	21.87%	-2.09%
Volatility (1Y) Calculated over the trailing 1-year period	21.80%	28.80%	-7.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.34%	48.40%	-30.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.53%	39.45%	-20.92%

MEMEX vs. MACGX - Expense Ratio Comparison

MEMEX has a 1.25% expense ratio, which is higher than MACGX's 1.00% expense ratio.

Dividends

MEMEX vs. MACGX - Dividend Comparison

MEMEX's dividend yield for the trailing twelve months is around 2.48%, while MACGX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MACGX Morgan Stanley Institutional Fund Trust Discovery Portfolio Class A	0.00%	0.00%	0.00%	0.00%	0.00%	52.53%	9.95%	15.34%	29.46%	48.48%	75.72%	14.05%
MEMEX Morgan Stanley Emerging Markets Equity Portfolio	2.48%	3.35%	1.38%	3.26%	13.18%	0.86%	2.57%	7.81%	0.52%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MEMEX and MACGX in my portfolio?

MEMEX and MACGX have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MEMEX or MACGX?

MEMEX has higher volatility (11.42%) compared to MACGX (9.70%). In terms of maximum drawdown, MEMEX dropped -39.90% vs MACGX's -77.61%.

Which has better risk-adjusted returns?

MEMEX currently has the higher Sharpe Ratio (2.96 vs -0.14), 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.