MURNX vs. MAMEX
Compare and contrast key facts about Mutual of America Investment Corporation - 2050 Retirement Fund (MURNX) and Mutual of America Mid-Cap Equity Index Fund (MAMEX).
MURNX is managed by Mutual of America. It was launched on Nov 30, 2021. MAMEX is managed by Mutual of America. It was launched on Nov 29, 2021.
Performance
MURNX vs. MAMEX - Performance Comparison
Loading graphics...
MURNX vs. MAMEX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
MURNX Mutual of America Investment Corporation - 2050 Retirement Fund | -3.91% | 17.89% | 14.37% | 15.78% | -16.25% | 17.85% | 918.18% |
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, MURNX achieves a -3.91% return, which is significantly lower than MAMEX's -0.45% return.
MURNX
- 1D
- -1.51%
- 1M
- -8.24%
- YTD
- -3.91%
- 6M
- -1.40%
- 1Y
- 14.60%
- 3Y*
- 12.40%
- 5Y*
- 6.63%
- 10Y*
- —
MAMEX
- 1D
- -2.44%
- 1M
- -8.80%
- YTD
- -0.45%
- 6M
- 1.26%
- 1Y
- 13.94%
- 3Y*
- 10.08%
- 5Y*
- 5.30%
- 10Y*
- —
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
MURNX vs. MAMEX - Expense Ratio Comparison
MURNX has a 0.08% expense ratio, which is lower than MAMEX's 0.16% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
MURNX vs. MAMEX — Risk / Return Rank
MURNX
MAMEX
MURNX vs. MAMEX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Mutual of America Investment Corporation - 2050 Retirement Fund (MURNX) 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.
| MURNX | MAMEX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.04 | 0.72 | +0.31 |
Sortino ratioReturn per unit of downside risk | 1.57 | 1.18 | +0.39 |
Omega ratioGain probability vs. loss probability | 1.23 | 1.16 | +0.06 |
Calmar ratioReturn relative to maximum drawdown | 0.71 | 0.35 | +0.36 |
Martin ratioReturn relative to average drawdown | 3.35 | 1.45 | +1.90 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| MURNX | MAMEX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.04 | 0.72 | +0.31 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.44 | 0.27 | +0.16 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.16 | 0.16 | 0.00 |
Correlation
The correlation between MURNX and MAMEX is 0.92, 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
MURNX vs. MAMEX - Dividend Comparison
MURNX's dividend yield for the trailing twelve months is around 9.68%, less than MAMEX's 11.90% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
MURNX Mutual of America Investment Corporation - 2050 Retirement Fund | 9.68% | 9.30% | 6.49% | 3.56% | 11.26% | 3.72% |
MAMEX Mutual of America Mid-Cap Equity Index Fund | 11.90% | 11.85% | 9.07% | 7.67% | 14.01% | 12.96% |
Drawdowns
MURNX vs. MAMEX - Drawdown Comparison
The maximum MURNX drawdown since its inception was -32.96%, smaller than the maximum MAMEX drawdown of -42.17%. Use the drawdown chart below to compare losses from any high point for MURNX and MAMEX.
Loading graphics...
Drawdown Indicators
| MURNX | MAMEX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -32.96% | -42.17% | +9.21% |
Max Drawdown (1Y)Largest decline over 1 year | -10.78% | -14.16% | +3.38% |
Max Drawdown (5Y)Largest decline over 5 years | -23.75% | -24.39% | +0.64% |
Current DrawdownCurrent decline from peak | -8.50% | -8.84% | +0.34% |
Average DrawdownAverage peak-to-trough decline | -5.64% | -7.68% | +2.04% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.79% | 4.14% | -1.35% |
Volatility
MURNX vs. MAMEX - Volatility Comparison
The current volatility for Mutual of America Investment Corporation - 2050 Retirement Fund (MURNX) is 3.65%, while Mutual of America Mid-Cap Equity Index Fund (MAMEX) has a volatility of 4.62%. This indicates that MURNX 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.
Loading graphics...
Volatility by Period
| MURNX | MAMEX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.65% | 4.62% | -0.97% |
Volatility (6M)Calculated over the trailing 6-month period | 8.51% | 11.83% | -3.32% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.95% | 21.79% | -5.84% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.21% | 22.02% | -4.81% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 387.62% | 389.19% | -1.57% |