MACHX vs. MARMX

Last updated Jun 24, 2026

MACHX (Mutual of America Composite Fund) and MARMX (Mutual of America Retirement Income Fund) are both mutual funds - MACHX is a Diversified Portfolio fund managed by Mutual of America, while MARMX is a Target Retirement Date fund managed by Mutual of America. Over the past 5 years, MACHX returned 9.40%/yr vs 3.21%/yr for MARMX. Their correlation of 0.86 suggests significant overlap in exposure. MACHX charges 0.54%/yr vs 0.13%/yr for MARMX.

Performance

MACHX vs. MARMX - 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 Retirement Income Fund (MARMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MACHX achieves a 5.79% return, which is significantly higher than MARMX's 3.32% return.

MACHX

• 1D: -0.95%
• 1M: -0.09%
• YTD: 5.79%
• 6M: 5.25%
• 1Y: 18.71%
• 3Y*: 16.17%
• 5Y*: 9.40%
• 10Y*: —

MARMX

• 1D: -0.25%
• 1M: 0.58%
• YTD: 3.32%
• 6M: 3.24%
• 1Y: 10.04%
• 3Y*: 8.02%
• 5Y*: 3.21%
• 10Y*: —

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

MACHX vs. MARMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
MACHX Mutual of America Composite Fund	5.79%	18.88%	16.49%	14.56%	-12.57%	14.64%	941.30%
MARMX Mutual of America Retirement Income Fund	3.32%	10.54%	5.88%	7.79%	-11.40%	3.49%	890.98%

Correlation

The correlation between MACHX and MARMX is 0.91, 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	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (All Time) Calculated using the full available price history since Jun 26, 2020	0.86

The correlation between MACHX and MARMX has been stable across timeframes, ranging from 0.86 to 0.91 - a consistent structural relationship.

Return for Risk

MACHX vs. MARMX — Risk / Return Rank

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

MACHX

MACHX Risk / Return Rank: 82
MACHX Sharpe Ratio Rank: 80
MACHX Sortino Ratio Rank: 83
MACHX Omega Ratio Rank: 76
MACHX Calmar Ratio Rank: 81
MACHX Martin Ratio Rank: 91

MARMX

MARMX Risk / Return Rank: 71
MARMX Sharpe Ratio Rank: 66
MARMX Sortino Ratio Rank: 77
MARMX Omega Ratio Rank: 68
MARMX Calmar Ratio Rank: 67
MARMX Martin Ratio Rank: 76

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. MARMX - 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 Retirement Income Fund (MARMX). 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.

	MACHX	MARMX	Difference
Sharpe ratio: Return per unit of total volatility	2.44	2.20	+0.24
Sortino ratio: Return per unit of downside risk	3.60	3.36	+0.24
Omega ratio: Gain probability vs. loss probability	1.45	1.42	+0.04
Calmar ratio: Return relative to maximum drawdown	3.54	2.99	+0.54
Martin ratio: Return relative to average drawdown	16.92	13.41	+3.51

MACHX vs. MARMX - Sharpe Ratio Comparison

The current MACHX Sharpe Ratio is 2.44, which is comparable to the MARMX Sharpe Ratio of 2.20. The chart below compares the historical Sharpe Ratios of MACHX and MARMX, 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

MACHX vs. MARMX - Drawdown Comparison

The maximum MACHX drawdown since its inception was -21.24%, which is greater than MARMX's maximum drawdown of -16.21%. Use the drawdown chart below to compare losses from any high point for MACHX and MARMX.

Drawdown Indicators

	MACHX	MARMX	Difference
Max Drawdown Largest peak-to-trough decline	-21.24%	-16.21%	-5.03%
Max Drawdown (1Y) Largest decline over 1 year	-6.17%	-3.92%	-2.25%
Max Drawdown (3Y) Largest decline over 3 years	-14.97%	-5.64%	-9.33%
Max Drawdown (5Y) Largest decline over 5 years	-18.57%	-15.94%	-2.63%
Current Drawdown Current decline from peak	-1.85%	-0.41%	-1.44%
Average Drawdown Average peak-to-trough decline	-4.14%	-4.25%	+0.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.24%	0.84%	+0.40%

Volatility

MACHX vs. MARMX - Volatility Comparison

Mutual of America Composite Fund (MACHX) has a higher volatility of 3.22% compared to Mutual of America Retirement Income Fund (MARMX) at 1.92%. This indicates that MACHX's price experiences larger fluctuations and is considered to be riskier than MARMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MACHX	MARMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.22%	1.92%	+1.30%
Volatility (6M) Calculated over the trailing 6-month period	7.31%	4.31%	+3.00%
Volatility (1Y) Calculated over the trailing 1-year period	8.98%	5.36%	+3.62%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.82%	7.56%	+5.26%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	377.16%	391.29%	-14.13%

MACHX vs. MARMX - Expense Ratio Comparison

MACHX has a 0.54% expense ratio, which is higher than MARMX's 0.13% expense ratio.

Dividends

MACHX vs. MARMX - Dividend Comparison

MACHX's dividend yield for the trailing twelve months is around 10.16%, more than MARMX's 4.18% yield.

Position	TTM	2025	2024	2023	2022	2021
MACHX Mutual of America Composite Fund	10.16%	11.75%	8.06%	6.00%	6.23%	3.64%
MARMX Mutual of America Retirement Income Fund	4.18%	4.32%	4.16%	1.55%	5.73%	2.03%

Frequently Asked Questions

Can I hold both MACHX and MARMX in my portfolio?

With a correlation of 0.91, MACHX and MARMX 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, MACHX or MARMX?

MACHX has higher volatility (3.22%) compared to MARMX (1.92%). In terms of maximum drawdown, MACHX dropped -21.24% vs MARMX's -16.21%.

Which has better risk-adjusted returns?

MACHX currently has the higher Sharpe Ratio (2.44 vs 2.20), 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.