MACHX vs. MAMEX

Last updated Apr 1, 2026

Compare and contrast key facts about Mutual of America Composite Fund (MACHX) and Mutual of America Mid-Cap Equity Index Fund (MAMEX).

MACHX is managed by Mutual of America. It was launched on Nov 29, 2021. MAMEX is managed by Mutual of America. It was launched on Nov 29, 2021.

Performance

MACHX vs. MAMEX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Mutual of America Composite Fund (MACHX) and Mutual of America Mid-Cap Equity Index Fund (MAMEX). The values are adjusted to include any dividend payments, if applicable.

MACHX vs. MAMEX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
MACHX Mutual of America Composite Fund	-2.83%	18.88%	16.49%	14.56%	-12.57%	14.64%	919.15%
MAMEX Mutual of America Mid-Cap Equity Index Fund	-0.45%	7.40%	13.08%	13.99%	-13.59%	23.35%	925.33%

Returns By Period

In the year-to-date period, MACHX achieves a -2.83% return, which is significantly lower than MAMEX's -0.45% return.

MACHX

• 1D: -1.04%
• 1M: -5.88%
• YTD: -2.83%
• 6M: 0.03%
• 1Y: 15.75%
• 3Y*: 13.97%
• 5Y*: 8.25%
• 10Y*: —

MAMEX

• 1D: -2.44%
• 1M: -8.80%
• YTD: -0.45%
• 6M: 1.26%
• 1Y: 13.94%
• 3Y*: 10.08%
• 5Y*: 5.30%
• 10Y*: —

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

MACHX vs. MAMEX - Expense Ratio Comparison

MACHX has a 0.54% expense ratio, which is higher than MAMEX's 0.16% expense ratio.

MACHX

Mutual of America Composite Fund

MAMEX

Mutual of America Mid-Cap Equity Index Fund

Return for Risk

MACHX vs. MAMEX — Risk / Return Rank

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

MACHX

MACHX Risk / Return Rank: 72
MACHX Sharpe Ratio Rank: 83
MACHX Sortino Ratio Rank: 86
MACHX Omega Ratio Rank: 83
MACHX Calmar Ratio Rank: 51
MACHX Martin Ratio Rank: 56

MAMEX

MAMEX Risk / Return Rank: 24
MAMEX Sharpe Ratio Rank: 29
MAMEX Sortino Ratio Rank: 33
MAMEX Omega Ratio Rank: 31
MAMEX Calmar Ratio Rank: 13
MAMEX Martin Ratio Rank: 14

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.

MACHX vs. MAMEX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Mutual of America Composite Fund (MACHX) and Mutual of America Mid-Cap Equity Index Fund (MAMEX). 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.

	MACHX	MAMEX	Difference
Sharpe ratio Return per unit of total volatility	1.58	0.72	+0.86
Sortino ratio Return per unit of downside risk	2.32	1.18	+1.14
Omega ratio Gain probability vs. loss probability	1.34	1.16	+0.18
Calmar ratio Return relative to maximum drawdown	1.26	0.35	+0.92
Martin ratio Return relative to average drawdown	5.51	1.45	+4.06
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MACHX vs. MAMEX - Sharpe Ratio Comparison

The current MACHX Sharpe Ratio is 1.58, which is higher than the MAMEX Sharpe Ratio of 0.72. The chart below compares the historical Sharpe Ratios of MACHX and MAMEX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MACHX	MAMEX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.58	0.72	+0.86
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.73	0.27	+0.46
Sharpe Ratio (All Time) Calculated using the full available price history	0.17	0.16	+0.01

Correlation

The correlation between MACHX and MAMEX is 0.83, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

MACHX vs. MAMEX - Dividend Comparison

MACHX's dividend yield for the trailing twelve months is around 12.09%, more than MAMEX's 11.90% yield.

	TTM	2025	2024	2023	2022	2021
MACHX Mutual of America Composite Fund	12.09%	11.75%	8.06%	6.00%	6.23%	3.64%
MAMEX Mutual of America Mid-Cap Equity Index Fund	11.90%	11.85%	9.07%	7.67%	14.01%	12.96%

Drawdowns

MACHX vs. MAMEX - Drawdown Comparison

The maximum MACHX drawdown since its inception was -21.24%, smaller than the maximum MAMEX drawdown of -42.17%. Use the drawdown chart below to compare losses from any high point for MACHX and MAMEX.

Drawdown Indicators

	MACHX	MAMEX	Difference
Max Drawdown Largest peak-to-trough decline	-21.24%	-42.17%	+20.93%
Max Drawdown (1Y) Largest decline over 1 year	-7.49%	-14.16%	+6.67%
Max Drawdown (5Y) Largest decline over 5 years	-18.57%	-24.39%	+5.82%
Current Drawdown Current decline from peak	-6.17%	-8.84%	+2.67%
Average Drawdown Average peak-to-trough decline	-4.27%	-7.68%	+3.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.25%	4.14%	-1.89%

Volatility

MACHX vs. MAMEX - Volatility Comparison

The current volatility for Mutual of America Composite Fund (MACHX) is 2.38%, while Mutual of America Mid-Cap Equity Index Fund (MAMEX) has a volatility of 4.62%. This indicates that MACHX experiences smaller price fluctuations and is considered to be less risky than MAMEX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MACHX	MAMEX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.38%	4.62%	-2.24%
Volatility (6M) Calculated over the trailing 6-month period	6.34%	11.83%	-5.49%
Volatility (1Y) Calculated over the trailing 1-year period	11.52%	21.79%	-10.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.75%	22.02%	-9.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	384.75%	389.19%	-4.44%