FERGX vs. MGEMX

Last updated Jul 16, 2026

FERGX (Fidelity SAI Emerging Markets Index Fund) and MGEMX (Morgan Stanley Institutional Fund, Inc. Emerging Markets Portfolio) are both Emerging Markets Diversified funds. Over the past 5 years, FERGX returned 6.63%/yr vs -6.31%/yr for MGEMX. Their correlation of 0.95 suggests significant overlap in exposure. FERGX charges 0.07%/yr vs 1.05%/yr for MGEMX.

Performance

FERGX vs. MGEMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity SAI Emerging Markets Index Fund (FERGX) and Morgan Stanley Institutional Fund, Inc. Emerging Markets Portfolio (MGEMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FERGX achieves a 20.09% return, which is significantly lower than MGEMX's 26.07% return.

FERGX

• 1D: 1.58%
• 1M: -6.04%
• 6M: 13.89%
• YTD: 20.09%
• 1Y: 36.95%
• 3Y*: 19.77%
• 5Y*: 6.63%
• 10Y*: —

MGEMX

• 1D: 1.67%
• 1M: -6.35%
• 6M: 20.57%
• YTD: 26.07%
• 1Y: -27.61%
• 3Y*: -2.92%
• 5Y*: -6.31%
• 10Y*: 2.87%

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

FERGX vs. MGEMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FERGX Fidelity SAI Emerging Markets Index Fund	20.09%	33.86%	6.59%	9.41%	-20.19%	-3.05%	17.46%	18.22%	-14.52%	33.62%
MGEMX Morgan Stanley Institutional Fund, Inc. Emerging Markets Portfolio	26.07%	-34.08%	8.07%	12.16%	-25.07%	3.53%	14.59%	37.21%	-17.34%	34.98%

Correlation

The correlation between FERGX and MGEMX 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	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (All Time) Calculated using the full available price history since Jan 3, 2017	0.95

The correlation between FERGX and MGEMX has been stable across timeframes, ranging from 0.94 to 0.96 - a consistent structural relationship.

Return for Risk

FERGX vs. MGEMX — Risk / Return Rank

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

FERGX

FERGX Risk / Return Rank: 68
FERGX Sharpe Ratio Rank: 67
FERGX Sortino Ratio Rank: 53
FERGX Omega Ratio Rank: 70
FERGX Calmar Ratio Rank: 80
FERGX Martin Ratio Rank: 70

MGEMX

MGEMX Risk / Return Rank: 1
MGEMX Sharpe Ratio Rank: 1
MGEMX Sortino Ratio Rank: 2
MGEMX Omega Ratio Rank: 2
MGEMX Calmar Ratio Rank: 1
MGEMX Martin Ratio Rank: 1

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.

FERGX vs. MGEMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity SAI Emerging Markets Index Fund (FERGX) and Morgan Stanley Institutional Fund, Inc. Emerging Markets Portfolio (MGEMX). 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.

	FERGX	MGEMX	Difference
Sharpe ratio: Return per unit of total volatility	1.77	-0.48	+2.25
Sortino ratio: Return per unit of downside risk	2.28	-0.15	+2.43
Omega ratio: Gain probability vs. loss probability	1.34	0.95	+0.39
Calmar ratio: Return relative to maximum drawdown	2.90	-0.51	+3.41
Martin ratio: Return relative to average drawdown	10.08	-0.84	+10.92

FERGX vs. MGEMX - Sharpe Ratio Comparison

The current FERGX Sharpe Ratio is 1.77, which is higher than the MGEMX Sharpe Ratio of -0.48. The chart below compares the historical Sharpe Ratios of FERGX and MGEMX, 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

FERGX vs. MGEMX - Drawdown Comparison

The maximum FERGX drawdown since its inception was -39.27%, smaller than the maximum MGEMX drawdown of -64.93%. Use the drawdown chart below to compare losses from any high point for FERGX and MGEMX.

Drawdown Indicators

	FERGX	MGEMX	Difference
Max Drawdown Largest peak-to-trough decline	-39.27%	-64.93%	+25.66%
Max Drawdown (1Y) Largest decline over 1 year	-13.32%	-52.50%	+39.18%
Max Drawdown (3Y) Largest decline over 3 years	-16.20%	-52.50%	+36.30%
Max Drawdown (5Y) Largest decline over 5 years	-34.67%	-52.50%	+17.83%
Max Drawdown (10Y) Largest decline over 10 years	—	-52.50%	—
Current Drawdown Current decline from peak	-7.44%	-37.26%	+29.82%
Average Drawdown Average peak-to-trough decline	-14.21%	-19.87%	+5.66%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.82%	32.05%	-28.23%

Volatility

FERGX vs. MGEMX - Volatility Comparison

The current volatility for Fidelity SAI Emerging Markets Index Fund (FERGX) is 9.84%, while Morgan Stanley Institutional Fund, Inc. Emerging Markets Portfolio (MGEMX) has a volatility of 11.61%. This indicates that FERGX experiences smaller price fluctuations and is considered to be less risky than MGEMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FERGX	MGEMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.84%	11.61%	-1.77%
Volatility (6M) Calculated over the trailing 6-month period	19.98%	22.56%	-2.58%
Volatility (1Y) Calculated over the trailing 1-year period	21.78%	56.72%	-34.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.11%	29.67%	-11.56%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.36%	25.04%	-6.68%

FERGX vs. MGEMX - Expense Ratio Comparison

FERGX has a 0.08% expense ratio, which is lower than MGEMX's 1.05% expense ratio.

Dividends

FERGX vs. MGEMX - Dividend Comparison

FERGX's dividend yield for the trailing twelve months is around 2.23%, while MGEMX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FERGX Fidelity SAI Emerging Markets Index Fund	2.23%	2.67%	2.40%	2.67%	2.51%	2.90%	1.49%	2.49%	2.58%	0.58%	0.00%	0.00%
MGEMX Morgan Stanley Institutional Fund, Inc. Emerging Markets Portfolio	0.00%	0.00%	1.27%	2.48%	4.48%	9.05%	1.07%	26.00%	2.46%	0.60%	0.82%	0.87%

Frequently Asked Questions

Can I hold both FERGX and MGEMX in my portfolio?

With a correlation of 0.96, FERGX and MGEMX 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, FERGX or MGEMX?

MGEMX has higher volatility (11.61%) compared to FERGX (9.84%). In terms of maximum drawdown, FERGX dropped -39.27% vs MGEMX's -64.93%.

Which has better risk-adjusted returns?

FERGX currently has the higher Sharpe Ratio (1.77 vs -0.48), 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.