FPTKX vs. MUROX

Last updated Aug 1, 2026

FPTKX (Fidelity Freedom 2015 Fund Class K6) and MUROX (Mutual of America 2055 Retirement Fund) are both Target Retirement Date funds. Over the past 5 years, FPTKX returned 4.15%/yr vs 8.38%/yr for MUROX. Their 0.76 correlation means they have sometimes moved together and sometimes differently. FPTKX charges 0.40%/yr vs 0.11%/yr for MUROX.

Performance

FPTKX vs. MUROX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Freedom 2015 Fund Class K6 (FPTKX) and Mutual of America 2055 Retirement Fund (MUROX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FPTKX achieves a 5.11% return, which is significantly lower than MUROX's 10.18% return.

FPTKX

• 1D: 0.90%
• 1M: -0.80%
• 6M: 3.31%
• YTD: 5.11%
• 1Y: 10.86%
• 3Y*: 9.46%
• 5Y*: 4.15%
• 10Y*: —
• ALL TIME*: 6.07%

MUROX

• 1D: 1.79%
• 1M: 0.00%
• 6M: 6.49%
• YTD: 10.18%
• 1Y: 20.74%
• 3Y*: 15.03%
• 5Y*: 8.38%
• 10Y*: —
• ALL TIME*: 55.09%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
FPTKX Fidelity Freedom 2015 Fund Class K6	$0.00	$0.00	$0.00
MUROX Mutual of America 2055 Retirement Fund	$0.00	$0.00	$0.00

FPTKX vs. MUROX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
FPTKX Fidelity Freedom 2015 Fund Class K6	5.11%	13.38%	6.60%	11.54%	-14.48%	7.42%	12.62%
MUROX Mutual of America 2055 Retirement Fund	10.18%	18.33%	14.65%	15.94%	-16.52%	18.58%	943.28%

Correlation

The correlation between FPTKX and MUROX is 0.82, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.82
Correlation (3Y) Balances recent behavior with more history.	0.80
Correlation (5Y) Shows whether the relationship held over a longer period.	0.74
Correlation (All Time) Calculated using the full available price history since Jan 2, 2020	0.76

The correlation between FPTKX and MUROX has been stable across timeframes, ranging from 0.74 to 0.82 - a consistent structural relationship.

Return for Risk

FPTKX vs. MUROX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

FPTKX

FPTKX Risk / Return Rank: 72
FPTKX Sharpe Ratio Rank: 70
FPTKX Sortino Ratio Rank: 70
FPTKX Omega Ratio Rank: 72
FPTKX Calmar Ratio Rank: 71
FPTKX Martin Ratio Rank: 78

MUROX

MUROX Risk / Return Rank: 72
MUROX Sharpe Ratio Rank: 68
MUROX Sortino Ratio Rank: 70
MUROX Omega Ratio Rank: 65
MUROX Calmar Ratio Rank: 73
MUROX Martin Ratio Rank: 85

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

FPTKX vs. MUROX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Freedom 2015 Fund Class K6 (FPTKX) and Mutual of America 2055 Retirement Fund (MUROX). 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.

	FPTKX	MUROX	Difference
Sharpe ratio: Return per unit of total volatility	1.66	1.63	+0.03
Sortino ratio: Return per unit of downside risk	2.39	2.45	-0.07
Omega ratio: Gain probability vs. loss probability	1.32	1.30	+0.02
Calmar ratio: Return relative to maximum drawdown	2.34	2.40	-0.07
Martin ratio: Return relative to average drawdown	9.53	11.03	-1.50

FPTKX vs. MUROX - Sharpe Ratio Comparison

The current FPTKX Sharpe Ratio is 1.66, which is comparable to the MUROX Sharpe Ratio of 1.63. The chart below compares the historical Sharpe Ratios of FPTKX and MUROX, 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

FPTKX vs. MUROX - Drawdown Comparison

The maximum FPTKX drawdown since its inception was -20.37%, smaller than the maximum MUROX drawdown of -33.58%. Use the drawdown chart below to compare losses from any high point for FPTKX and MUROX.

Drawdown Indicators

	FPTKX	MUROX	Difference
Max Drawdown Largest peak-to-trough decline	-20.37%	-33.58%	+13.21%
Max Drawdown (1Y) Largest decline over 1 year	-4.65%	-8.77%	+4.12%
Max Drawdown (3Y) Largest decline over 3 years	-5.73%	-15.72%	+9.99%
Max Drawdown (5Y) Largest decline over 5 years	-20.37%	-23.84%	+3.47%
Current Drawdown Current decline from peak	-1.43%	-0.73%	-0.70%
Average Drawdown Average peak-to-trough decline	-3.91%	-5.45%	+1.54%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.14%	1.83%	-0.69%

Volatility

FPTKX vs. MUROX - Volatility Comparison

The current volatility for Fidelity Freedom 2015 Fund Class K6 (FPTKX) is 2.00%, while Mutual of America 2055 Retirement Fund (MUROX) has a volatility of 3.43%. This indicates that FPTKX experiences smaller price fluctuations and is considered to be less risky than MUROX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FPTKX	MUROX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.00%	3.43%	-1.43%
Volatility (6M) Calculated over the trailing 6-month period	5.72%	9.87%	-4.15%
Volatility (1Y) Calculated over the trailing 1-year period	6.56%	12.90%	-6.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.71%	17.56%	-9.85%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.85%	374.33%	-366.48%

FPTKX vs. MUROX - Expense Ratio Comparison

FPTKX has a 0.40% expense ratio, which is higher than MUROX's 0.11% expense ratio.

Dividends

FPTKX vs. MUROX - Dividend Comparison

FPTKX's dividend yield for the trailing twelve months is around 6.79%, less than MUROX's 7.30% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FPTKX Fidelity Freedom 2015 Fund Class K6	6.79%	6.79%	4.31%	2.89%	8.61%	10.96%	7.02%	6.93%	8.54%	2.15%
MUROX Mutual of America 2055 Retirement Fund	7.30%	7.95%	6.25%	2.08%	10.92%	3.20%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FPTKX and MUROX in my portfolio?

FPTKX and MUROX have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FPTKX or MUROX?

MUROX has higher volatility (3.43%) compared to FPTKX (2.00%). In terms of maximum drawdown, FPTKX dropped -20.37% vs MUROX's -33.58%.

Which has better risk-adjusted returns?

FPTKX currently has the higher Sharpe Ratio (1.66 vs 1.63), 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.