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Mutual of America Mid-Cap Equity Index Fund (MAMEX...
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Fund Info

Inception Date
Nov 29, 2021
Min. Investment
$0
Distribution Policy
Distributing
Asset Class
Equity
Asset Class Size
Large-Cap
Asset Class Style
Blend

Share Price Chart


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Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in Mutual of America Mid-Cap Equity Index Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.


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S&P 500 Index

Returns By Period

Mutual of America Mid-Cap Equity Index Fund (MAMEX) has returned -0.45% so far this year and 13.94% over the past 12 months.


Mutual of America Mid-Cap Equity Index Fund

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

Benchmark (S&P 500 Index)

1D
2.91%
1M
-5.09%
YTD
-4.63%
6M
-2.39%
1Y
16.33%
3Y*
16.69%
5Y*
10.18%
10Y*
12.16%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

Based on dividend-adjusted daily data since Jan 2, 2020, MAMEX's average daily return is +0.70%, while the average monthly return is +11.58%. At this rate, your investment would double in approximately 0.5 years.

Historically, 57% of months were positive and 43% were negative. The best month was Sep 2020 with a return of +803.3%, while the worst month was Mar 2020 at -20.2%. The longest winning streak lasted 13 consecutive months, and the longest losing streak was 4 months.

On a daily basis, MAMEX closed higher 50% of trading days. The best single day was Sep 25, 2020 with a return of +915.2%, while the worst single day was Mar 16, 2020 at -13.6%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20265.07%3.88%-8.80%-0.45%
20255.93%-8.48%-3.21%-2.29%5.37%3.56%1.64%3.36%0.46%-1.09%2.17%0.65%7.40%
2024-1.69%5.92%5.59%-6.02%4.33%-2.12%5.80%-0.09%1.12%-0.73%8.78%-7.16%13.08%
20238.74%-1.84%-3.21%-0.82%-3.18%9.13%4.11%-2.91%-5.28%-6.70%8.49%8.63%13.99%
2022-7.13%1.07%1.40%-4.56%-1.97%-13.02%10.75%-8.59%9.72%6.11%-5.34%-13.59%
20213.60%4.73%4.55%5.88%-1.12%-1.53%0.41%1.85%-2.50%3.90%-0.32%2.15%23.35%

Benchmark Metrics

Mutual of America Mid-Cap Equity Index Fund has an annualized alpha of 372.07%, beta of 1.62, and R² of 0.01 versus S&P 500 Index. Calculated based on daily prices since January 03, 2020.

  • This fund captured 98.99% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -144.52%) — a profile typical of hedging or uncorrelated assets.
  • R² of 0.01 means this fund moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

Alpha
372.07%
Beta
1.62
0.01
Upside Capture
98.99%
Downside Capture
-144.52%

Expense Ratio

MAMEX has an expense ratio of 0.16%, which is considered low.


Return for Risk

Risk / Return Rank

MAMEX ranks 24 for risk / return — below 24% of mutual funds on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.


MAMEX Risk / Return Rank: 2424
Overall Rank
MAMEX Sharpe Ratio Rank: 2929
Sharpe Ratio Rank
MAMEX Sortino Ratio Rank: 3333
Sortino Ratio Rank
MAMEX Omega Ratio Rank: 3030
Omega Ratio Rank
MAMEX Calmar Ratio Rank: 1313
Calmar Ratio Rank
MAMEX Martin Ratio Rank: 1414
Martin Ratio Rank
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.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for Mutual of America Mid-Cap Equity Index Fund (MAMEX) and compare them to a chosen benchmark (S&P 500 Index).


MAMEXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

0.72

0.90

-0.17

Sortino ratio

Return per unit of downside risk

1.18

1.39

-0.21

Omega ratio

Gain probability vs. loss probability

1.16

1.21

-0.05

Calmar ratio

Return relative to maximum drawdown

0.35

1.40

-1.05

Martin ratio

Return relative to average drawdown

1.45

6.61

-5.16

Explore MAMEX risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.

Dividends

Dividend History

Mutual of America Mid-Cap Equity Index Fund provided a 11.90% dividend yield over the last twelve months, with an annual payout of $2.38 per share. The fund has been increasing its distributions for 2 consecutive years.


8.00%9.00%10.00%11.00%12.00%13.00%14.00%$0.00$0.50$1.00$1.50$2.00$2.50$3.00$3.5020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021
Dividend$2.38$2.38$1.90$1.54$2.66$3.25

Dividend yield

11.90%11.85%9.07%7.67%14.01%12.96%

Monthly Dividends

The table displays the monthly dividend distributions for Mutual of America Mid-Cap Equity Index Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$0.00$0.00
2025$0.00$0.00$0.00$0.00$0.00$0.15$0.00$0.00$0.00$0.08$0.00$2.15$2.38
2024$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.30$0.00$1.60$1.90
2023$0.00$0.00$0.00$0.00$0.00$0.14$0.00$0.00$0.00$0.00$0.00$1.40$1.54
2022$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.79$0.00$1.88$2.66
2021$3.25$3.25

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the Mutual of America Mid-Cap Equity Index Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Mutual of America Mid-Cap Equity Index Fund was 42.17%, occurring on Mar 23, 2020. Recovery took 129 trading sessions.

The current Mutual of America Mid-Cap Equity Index Fund drawdown is 8.84%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-42.17%Feb 21, 202022Mar 23, 2020129Sep 25, 2020151
-24.39%Nov 17, 2021117Jun 16, 2022371Feb 29, 2024488
-24.11%Nov 26, 202489Apr 8, 2025164Dec 10, 2025253
-8.84%Mar 3, 202616Mar 30, 2026
-7.89%Jul 17, 202414Aug 5, 202432Sep 19, 202446

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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