MXREX vs. AIGYX

Last updated Jun 3, 2026

MXREX (Great-West Real Estate Index Fund) and AIGYX (abrdn Realty Income & Growth Fund) are both REIT funds. Over the past 10 years, MXREX returned 3.75%/yr vs 8.00%/yr for AIGYX. Their correlation of 0.94 suggests significant overlap in exposure. MXREX charges 0.70%/yr vs 1.01%/yr for AIGYX.

Performance

MXREX vs. AIGYX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Great-West Real Estate Index Fund (MXREX) and abrdn Realty Income & Growth Fund (AIGYX). 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 MXREX having a 10.88% return and AIGYX slightly higher at 11.32%. Over the past 10 years, MXREX has underperformed AIGYX with an annualized return of 3.75%, while AIGYX has yielded a comparatively higher 8.00% annualized return.

MXREX

• 1D: -2.10%
• 1M: -2.02%
• YTD: 10.88%
• 6M: 9.50%
• 1Y: 14.11%
• 3Y*: 10.67%
• 5Y*: 3.64%
• 10Y*: 3.75%

AIGYX

• 1D: -2.22%
• 1M: -3.05%
• YTD: 11.32%
• 6M: 8.87%
• 1Y: 15.08%
• 3Y*: 11.65%
• 5Y*: 7.88%
• 10Y*: 8.00%

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

MXREX vs. AIGYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MXREX Great-West Real Estate Index Fund	10.88%	3.16%	7.47%	13.31%	-26.44%	45.80%	-12.52%	22.41%	-4.92%	2.25%
AIGYX abrdn Realty Income & Growth Fund	11.32%	4.20%	9.61%	13.34%	-24.99%	62.09%	-6.59%	27.80%	-7.59%	8.52%

Correlation

The correlation between MXREX and AIGYX is 0.94, 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	0.94
Correlation (3Y) Calculated over the trailing 3-year period	0.90
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.93
Correlation (All Time) Calculated using the full available price history since Jan 3, 2013	0.94

The correlation between MXREX and AIGYX has been stable across timeframes, ranging from 0.90 to 0.94 - a consistent structural relationship.

Return for Risk

MXREX vs. AIGYX — Risk / Return Rank

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

MXREX

MXREX Risk / Return Rank: 18
MXREX Sharpe Ratio Rank: 15
MXREX Sortino Ratio Rank: 14
MXREX Omega Ratio Rank: 14
MXREX Calmar Ratio Rank: 23
MXREX Martin Ratio Rank: 24

AIGYX

AIGYX Risk / Return Rank: 21
AIGYX Sharpe Ratio Rank: 16
AIGYX Sortino Ratio Rank: 15
AIGYX Omega Ratio Rank: 15
AIGYX Calmar Ratio Rank: 28
AIGYX Martin Ratio Rank: 29

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.

MXREX vs. AIGYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Great-West Real Estate Index Fund (MXREX) and abrdn Realty Income & Growth Fund (AIGYX). 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.

	MXREX	AIGYX	Difference
Sharpe ratio Return per unit of total volatility	1.12	1.18	-0.06
Sortino ratio Return per unit of downside risk	1.57	1.64	-0.07
Omega ratio Gain probability vs. loss probability	1.20	1.21	-0.01
Calmar ratio Return relative to maximum drawdown	1.84	2.01	-0.17
Martin ratio Return relative to average drawdown	6.17	6.97	-0.81
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MXREX vs. AIGYX - Sharpe Ratio Comparison

The current MXREX Sharpe Ratio is 1.12, which is comparable to the AIGYX Sharpe Ratio of 1.18. The chart below compares the historical Sharpe Ratios of MXREX and AIGYX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MXREX	AIGYX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.12	1.18	-0.06
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.19	0.38	-0.19
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.17	0.37	-0.19
Sharpe Ratio (All Time) Calculated using the full available price history	0.21	0.38	-0.18

Drawdowns

MXREX vs. AIGYX - Drawdown Comparison

The maximum MXREX drawdown since its inception was -43.89%, smaller than the maximum AIGYX drawdown of -79.94%. Use the drawdown chart below to compare losses from any high point for MXREX and AIGYX.

Drawdown Indicators

	MXREX	AIGYX	Difference
Max Drawdown Largest peak-to-trough decline	-43.89%	-79.94%	+36.05%
Max Drawdown (1Y) Largest decline over 1 year	-7.73%	-7.71%	-0.02%
Max Drawdown (3Y) Largest decline over 3 years	-18.79%	-18.26%	-0.53%
Max Drawdown (5Y) Largest decline over 5 years	-33.06%	-31.20%	-1.86%
Max Drawdown (10Y) Largest decline over 10 years	-43.89%	-43.10%	-0.79%
Current Drawdown Current decline from peak	-3.97%	-4.50%	+0.53%
Average Drawdown Average peak-to-trough decline	-11.63%	-12.42%	+0.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.30%	2.22%	+0.08%

Volatility

MXREX vs. AIGYX - Volatility Comparison

Great-West Real Estate Index Fund (MXREX) and abrdn Realty Income & Growth Fund (AIGYX) have volatilities of 4.08% and 4.08%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MXREX	AIGYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.08%	4.08%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	9.47%	9.66%	-0.19%
Volatility (1Y) Calculated over the trailing 1-year period	13.39%	13.04%	+0.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.34%	20.71%	-1.37%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.94%	21.94%	0.00%

MXREX vs. AIGYX - Expense Ratio Comparison

MXREX has a 0.70% expense ratio, which is lower than AIGYX's 1.01% expense ratio.

Dividends

MXREX vs. AIGYX - Dividend Comparison

MXREX's dividend yield for the trailing twelve months is around 1.87%, less than AIGYX's 7.59% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AIGYX abrdn Realty Income & Growth Fund	7.59%	8.43%	12.69%	4.01%	8.97%	27.57%	16.28%	18.30%	49.34%	5.85%	5.48%	4.69%
MXREX Great-West Real Estate Index Fund	1.87%	2.07%	6.74%	1.85%	4.69%	1.93%	1.60%	4.51%	4.10%	3.36%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MXREX and AIGYX in my portfolio?

With a correlation of 0.94, MXREX and AIGYX 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, MXREX or AIGYX?

AIGYX has higher volatility (4.08%) compared to MXREX (4.08%). In terms of maximum drawdown, MXREX dropped -43.89% vs AIGYX's -79.94%.

Which has better risk-adjusted returns?

AIGYX currently has the higher Sharpe Ratio (1.18 vs 1.12), 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.