FCTKX vs. MARMX

Last updated Jun 5, 2026

FCTKX (Fidelity Freedom 2055 Fund Class K6) and MARMX (Mutual of America Retirement Income Fund) are both Target Retirement Date funds. Over the past 5 years, FCTKX returned 10.42%/yr vs 3.16%/yr for MARMX. A 0.69 correlation means they provide meaningful diversification when combined. FCTKX charges 0.50%/yr vs 0.13%/yr for MARMX.

Performance

FCTKX vs. MARMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Freedom 2055 Fund Class K6 (FCTKX) 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, FCTKX achieves a 13.33% return, which is significantly higher than MARMX's 3.41% return.

FCTKX

• 1D: -0.53%
• 1M: 3.55%
• YTD: 13.33%
• 6M: 14.94%
• 1Y: 30.36%
• 3Y*: 20.80%
• 5Y*: 10.42%
• 10Y*: —

MARMX

• 1D: -0.33%
• 1M: 1.17%
• YTD: 3.41%
• 6M: 3.69%
• 1Y: 10.61%
• 3Y*: 7.88%
• 5Y*: 3.16%
• 10Y*: —

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

FCTKX vs. MARMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
FCTKX Fidelity Freedom 2055 Fund Class K6	13.33%	24.06%	14.41%	20.84%	-18.09%	16.86%	27.49%
MARMX Mutual of America Retirement Income Fund	3.41%	10.54%	5.88%	7.79%	-11.40%	3.49%	890.98%

Correlation

The correlation between FCTKX and MARMX is 0.79, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.70
Correlation (All Time) Calculated using the full available price history since Jun 29, 2020	0.69

The correlation between FCTKX and MARMX shifts across timeframes, from 0.69 (all time) to 0.79 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

FCTKX vs. MARMX — Risk / Return Rank

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

FCTKX

FCTKX Risk / Return Rank: 69
FCTKX Sharpe Ratio Rank: 69
FCTKX Sortino Ratio Rank: 65
FCTKX Omega Ratio Rank: 66
FCTKX Calmar Ratio Rank: 69
FCTKX Martin Ratio Rank: 76

MARMX

MARMX Risk / Return Rank: 75
MARMX Sharpe Ratio Rank: 73
MARMX Sortino Ratio Rank: 80
MARMX Omega Ratio Rank: 73
MARMX Calmar Ratio Rank: 71
MARMX Martin Ratio Rank: 80

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.

FCTKX vs. MARMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Freedom 2055 Fund Class K6 (FCTKX) 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.

	FCTKX	MARMX	Difference
Sharpe ratio: Return per unit of total volatility	2.44	2.43	0.00
Sortino ratio: Return per unit of downside risk	3.36	3.76	-0.41
Omega ratio: Gain probability vs. loss probability	1.45	1.47	-0.02
Calmar ratio: Return relative to maximum drawdown	3.19	3.16	+0.03
Martin ratio: Return relative to average drawdown	14.23	14.44	-0.21
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FCTKX vs. MARMX - Sharpe Ratio Comparison

The current FCTKX Sharpe Ratio is 2.44, which is comparable to the MARMX Sharpe Ratio of 2.43. The chart below compares the historical Sharpe Ratios of FCTKX 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.

Sharpe Ratios by Period

	FCTKX	MARMX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.44	2.43	0.00
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.70	0.47	+0.23
Sharpe Ratio (All Time) Calculated using the full available price history	0.76	0.15	+0.61

Drawdowns

FCTKX vs. MARMX - Drawdown Comparison

The maximum FCTKX drawdown since its inception was -30.94%, which is greater than MARMX's maximum drawdown of -16.21%. Use the drawdown chart below to compare losses from any high point for FCTKX and MARMX.

Drawdown Indicators

	FCTKX	MARMX	Difference
Max Drawdown Largest peak-to-trough decline	-30.94%	-16.21%	-14.73%
Max Drawdown (1Y) Largest decline over 1 year	-9.78%	-3.92%	-5.86%
Max Drawdown (3Y) Largest decline over 3 years	-15.40%	-5.64%	-9.76%
Max Drawdown (5Y) Largest decline over 5 years	-27.16%	-15.94%	-11.22%
Current Drawdown Current decline from peak	-0.53%	-0.33%	-0.20%
Average Drawdown Average peak-to-trough decline	-5.46%	-4.28%	-1.18%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.18%	0.82%	+1.36%

Volatility

FCTKX vs. MARMX - Volatility Comparison

Fidelity Freedom 2055 Fund Class K6 (FCTKX) has a higher volatility of 4.29% compared to Mutual of America Retirement Income Fund (MARMX) at 1.76%. This indicates that FCTKX'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

	FCTKX	MARMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.29%	1.76%	+2.53%
Volatility (6M) Calculated over the trailing 6-month period	10.56%	4.12%	+6.44%
Volatility (1Y) Calculated over the trailing 1-year period	12.81%	5.09%	+7.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.05%	7.53%	+7.52%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.89%	393.21%	-377.32%

FCTKX vs. MARMX - Expense Ratio Comparison

FCTKX has a 0.50% expense ratio, which is higher than MARMX's 0.13% expense ratio.

Dividends

FCTKX vs. MARMX - Dividend Comparison

FCTKX's dividend yield for the trailing twelve months is around 5.17%, more than MARMX's 4.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FCTKX Fidelity Freedom 2055 Fund Class K6	5.17%	4.06%	2.31%	2.19%	11.70%	11.47%	4.40%	6.53%	7.08%	2.74%
MARMX Mutual of America Retirement Income Fund	4.18%	4.32%	4.16%	1.55%	5.73%	2.03%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FCTKX and MARMX in my portfolio?

FCTKX and MARMX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FCTKX or MARMX?

FCTKX has higher volatility (4.29%) compared to MARMX (1.76%). In terms of maximum drawdown, FCTKX dropped -30.94% vs MARMX's -16.21%.

Which has better risk-adjusted returns?

FCTKX currently has the higher Sharpe Ratio (2.44 vs 2.43), 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.