MEMQX vs. FERGX

Last updated Jun 24, 2026

MEMQX (Mercer Emerging Markets Equity Fund) and FERGX (Fidelity SAI Emerging Markets Index Fund) are both Emerging Markets Diversified funds. Over the past 5 years, MEMQX returned 5.27%/yr vs 8.07%/yr for FERGX. Their correlation of 0.86 suggests significant overlap in exposure. MEMQX charges 0.49%/yr vs 0.07%/yr for FERGX.

Performance

MEMQX vs. FERGX - Performance Comparison

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

Returns By Period

The year-to-date returns for both investments are quite close, with MEMQX having a 28.57% return and FERGX slightly higher at 29.63%.

MEMQX

• 1D: 0.33%
• 1M: 6.38%
• YTD: 28.57%
• 6M: 30.06%
• 1Y: 51.07%
• 3Y*: 20.44%
• 5Y*: 5.27%
• 10Y*: —

FERGX

• 1D: 0.18%
• 1M: 7.53%
• YTD: 29.63%
• 6M: 30.89%
• 1Y: 54.54%
• 3Y*: 24.63%
• 5Y*: 8.07%
• 10Y*: —

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

MEMQX vs. FERGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
MEMQX Mercer Emerging Markets Equity Fund	28.57%	31.07%	2.00%	7.16%	-24.30%	0.23%	13.55%	7.56%
FERGX Fidelity SAI Emerging Markets Index Fund	29.63%	33.86%	6.59%	9.41%	-20.19%	-3.05%	17.46%	8.72%

Correlation

The correlation between MEMQX and FERGX is 0.78, 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	0.78
Correlation (3Y) Calculated over the trailing 3-year period	0.83
Correlation (5Y) Calculated over the trailing 5-year period	0.86
Correlation (All Time) Calculated using the full available price history since Mar 26, 2019	0.86

The correlation between MEMQX and FERGX has been stable across timeframes, ranging from 0.78 to 0.86 - a consistent structural relationship.

Return for Risk

MEMQX vs. FERGX — Risk / Return Rank

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

MEMQX

MEMQX Risk / Return Rank: 90
MEMQX Sharpe Ratio Rank: 95
MEMQX Sortino Ratio Rank: 88
MEMQX Omega Ratio Rank: 87
MEMQX Calmar Ratio Rank: 91
MEMQX Martin Ratio Rank: 89

FERGX

FERGX Risk / Return Rank: 86
FERGX Sharpe Ratio Rank: 90
FERGX Sortino Ratio Rank: 79
FERGX Omega Ratio Rank: 85
FERGX Calmar Ratio Rank: 89
FERGX Martin Ratio Rank: 88

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.

MEMQX vs. FERGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Mercer Emerging Markets Equity Fund (MEMQX) and Fidelity SAI Emerging Markets Index Fund (FERGX). 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.

	MEMQX	FERGX	Difference
Sharpe ratio: Return per unit of total volatility	3.13	2.77	+0.36
Sortino ratio: Return per unit of downside risk	3.95	3.44	+0.50
Omega ratio: Gain probability vs. loss probability	1.57	1.53	+0.04
Calmar ratio: Return relative to maximum drawdown	4.61	4.20	+0.41
Martin ratio: Return relative to average drawdown	16.26	15.70	+0.56

MEMQX vs. FERGX - Sharpe Ratio Comparison

The current MEMQX Sharpe Ratio is 3.13, which is comparable to the FERGX Sharpe Ratio of 2.77. The chart below compares the historical Sharpe Ratios of MEMQX and FERGX, 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

MEMQX vs. FERGX - Drawdown Comparison

The maximum MEMQX drawdown since its inception was -40.09%, roughly equal to the maximum FERGX drawdown of -39.27%. Use the drawdown chart below to compare losses from any high point for MEMQX and FERGX.

Drawdown Indicators

	MEMQX	FERGX	Difference
Max Drawdown Largest peak-to-trough decline	-40.09%	-39.27%	-0.82%
Max Drawdown (1Y) Largest decline over 1 year	-12.37%	-13.32%	+0.95%
Max Drawdown (3Y) Largest decline over 3 years	-16.89%	-16.20%	-0.69%
Max Drawdown (5Y) Largest decline over 5 years	-39.37%	-36.97%	-2.40%
Current Drawdown Current decline from peak	0.00%	-0.09%	+0.09%
Average Drawdown Average peak-to-trough decline	-17.01%	-14.27%	-2.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.32%	3.55%	-0.23%

Volatility

MEMQX vs. FERGX - Volatility Comparison

The current volatility for Mercer Emerging Markets Equity Fund (MEMQX) is 8.45%, while Fidelity SAI Emerging Markets Index Fund (FERGX) has a volatility of 10.85%. This indicates that MEMQX experiences smaller price fluctuations and is considered to be less risky than FERGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MEMQX	FERGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.45%	10.85%	-2.40%
Volatility (6M) Calculated over the trailing 6-month period	15.60%	18.20%	-2.60%
Volatility (1Y) Calculated over the trailing 1-year period	18.26%	20.24%	-1.98%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.50%	17.77%	+0.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.77%	18.22%	+1.55%

MEMQX vs. FERGX - Expense Ratio Comparison

MEMQX has a 0.49% expense ratio, which is higher than FERGX's 0.08% expense ratio.

Dividends

MEMQX vs. FERGX - Dividend Comparison

MEMQX's dividend yield for the trailing twelve months is around 2.24%, more than FERGX's 2.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FERGX Fidelity SAI Emerging Markets Index Fund	2.06%	2.67%	2.40%	2.67%	2.51%	2.90%	1.49%	2.49%	2.58%	0.58%
MEMQX Mercer Emerging Markets Equity Fund	2.24%	2.88%	1.64%	2.35%	2.57%	13.11%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MEMQX and FERGX in my portfolio?

MEMQX and FERGX have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MEMQX or FERGX?

FERGX has higher volatility (10.85%) compared to MEMQX (8.45%). In terms of maximum drawdown, MEMQX dropped -40.09% vs FERGX's -39.27%.

Which has better risk-adjusted returns?

MEMQX currently has the higher Sharpe Ratio (3.13 vs 2.77), 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.