MGGIX vs. PRGSX

Last updated Jun 24, 2026

MGGIX (Morgan Stanley Institutional Fund, Inc. Global Opportunity Portfolio) and PRGSX (T. Rowe Price Global Stock Fund) are both Global Equities funds from T. Rowe Price. Over the past 10 years, MGGIX returned 14.19%/yr vs 17.70%/yr for PRGSX. Their correlation of 0.88 suggests significant overlap in exposure. MGGIX charges 0.95%/yr vs 0.82%/yr for PRGSX.

Performance

MGGIX vs. PRGSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Morgan Stanley Institutional Fund, Inc. Global Opportunity Portfolio (MGGIX) and T. Rowe Price Global Stock Fund (PRGSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MGGIX achieves a 6.02% return, which is significantly lower than PRGSX's 24.54% return. Over the past 10 years, MGGIX has underperformed PRGSX with an annualized return of 14.19%, while PRGSX has yielded a comparatively higher 17.70% annualized return.

MGGIX

• 1D: -1.10%
• 1M: 6.23%
• YTD: 6.02%
• 6M: 5.66%
• 1Y: -3.83%
• 3Y*: 16.06%
• 5Y*: 2.58%
• 10Y*: 14.19%

PRGSX

• 1D: 0.67%
• 1M: 6.36%
• YTD: 24.54%
• 6M: 23.95%
• 1Y: 44.26%
• 3Y*: 24.61%
• 5Y*: 9.92%
• 10Y*: 17.70%

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

MGGIX vs. PRGSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MGGIX Morgan Stanley Institutional Fund, Inc. Global Opportunity Portfolio	6.02%	1.86%	27.50%	49.70%	-41.57%	0.22%	55.49%	35.44%	-5.65%	49.45%
PRGSX T. Rowe Price Global Stock Fund	24.54%	21.42%	16.80%	25.70%	-28.01%	9.81%	52.29%	35.84%	-4.51%	32.64%

Correlation

The correlation between MGGIX and PRGSX is 0.80, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.80
Correlation (3Y) Calculated over the trailing 3-year period	0.83
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (10Y) Calculated over the trailing 10-year period	0.88
Correlation (All Time) Calculated using the full available price history since May 30, 2008	0.88

The correlation between MGGIX and PRGSX has been stable across timeframes, ranging from 0.80 to 0.88 - a consistent structural relationship.

Return for Risk

MGGIX vs. PRGSX — Risk / Return Rank

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

MGGIX

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

PRGSX

PRGSX Risk / Return Rank: 74
PRGSX Sharpe Ratio Rank: 76
PRGSX Sortino Ratio Rank: 62
PRGSX Omega Ratio Rank: 67
PRGSX Calmar Ratio Rank: 82
PRGSX Martin Ratio Rank: 82

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.

MGGIX vs. PRGSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Morgan Stanley Institutional Fund, Inc. Global Opportunity Portfolio (MGGIX) and T. Rowe Price Global Stock Fund (PRGSX). 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.

	MGGIX	PRGSX	Difference
Sharpe ratio: Return per unit of total volatility	-0.11	2.34	-2.45
Sortino ratio: Return per unit of downside risk	0.01	3.00	-2.99
Omega ratio: Gain probability vs. loss probability	1.00	1.42	-0.41
Calmar ratio: Return relative to maximum drawdown	-0.09	3.59	-3.68
Martin ratio: Return relative to average drawdown	-0.20	14.19	-14.39

MGGIX vs. PRGSX - Sharpe Ratio Comparison

The current MGGIX Sharpe Ratio is -0.11, which is lower than the PRGSX Sharpe Ratio of 2.34. The chart below compares the historical Sharpe Ratios of MGGIX and PRGSX, 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

MGGIX vs. PRGSX - Drawdown Comparison

The maximum MGGIX drawdown since its inception was -59.08%, smaller than the maximum PRGSX drawdown of -64.06%. Use the drawdown chart below to compare losses from any high point for MGGIX and PRGSX.

Drawdown Indicators

	MGGIX	PRGSX	Difference
Max Drawdown Largest peak-to-trough decline	-59.08%	-64.06%	+4.98%
Max Drawdown (1Y) Largest decline over 1 year	-27.65%	-12.77%	-14.88%
Max Drawdown (3Y) Largest decline over 3 years	-27.65%	-21.13%	-6.52%
Max Drawdown (5Y) Largest decline over 5 years	-51.02%	-38.11%	-12.91%
Max Drawdown (10Y) Largest decline over 10 years	-51.60%	-38.11%	-13.49%
Current Drawdown Current decline from peak	-9.70%	0.00%	-9.70%
Average Drawdown Average peak-to-trough decline	-11.23%	-13.46%	+2.23%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.70%	3.22%	+9.48%

Volatility

MGGIX vs. PRGSX - Volatility Comparison

Morgan Stanley Institutional Fund, Inc. Global Opportunity Portfolio (MGGIX) has a higher volatility of 9.91% compared to T. Rowe Price Global Stock Fund (PRGSX) at 8.83%. This indicates that MGGIX's price experiences larger fluctuations and is considered to be riskier than PRGSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MGGIX	PRGSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.91%	8.83%	+1.08%
Volatility (6M) Calculated over the trailing 6-month period	17.66%	16.65%	+1.01%
Volatility (1Y) Calculated over the trailing 1-year period	23.33%	19.59%	+3.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.31%	19.98%	+6.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.21%	19.91%	+3.30%

MGGIX vs. PRGSX - Expense Ratio Comparison

MGGIX has a 0.95% expense ratio, which is higher than PRGSX's 0.82% expense ratio.

Dividends

MGGIX vs. PRGSX - Dividend Comparison

MGGIX has not paid dividends to shareholders, while PRGSX's dividend yield for the trailing twelve months is around 7.71%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MGGIX Morgan Stanley Institutional Fund, Inc. Global Opportunity Portfolio	0.00%	0.00%	9.27%	2.13%	22.94%	4.92%	1.16%	0.00%	0.79%	0.39%	7.04%	1.26%
PRGSX T. Rowe Price Global Stock Fund	7.71%	9.60%	6.73%	0.27%	0.00%	13.67%	5.67%	2.21%	5.81%	0.03%	0.63%	0.33%

Frequently Asked Questions

Can I hold both MGGIX and PRGSX in my portfolio?

MGGIX and PRGSX have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MGGIX or PRGSX?

MGGIX has higher volatility (9.91%) compared to PRGSX (8.83%). In terms of maximum drawdown, MGGIX dropped -59.08% vs PRGSX's -64.06%.

Which has better risk-adjusted returns?

PRGSX currently has the higher Sharpe Ratio (2.34 vs -0.11), 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.