FFBKX vs. MURLX

Last updated Aug 1, 2026

FFBKX (Fidelity Freedom Blend 2065 Fund Class K) and MURLX (Mutual of America 2040 Retirement Fund) are both Target Retirement Date funds. Over the past 5 years, FFBKX returned 9.61%/yr vs 7.32%/yr for MURLX. Their correlation of 0.82 means they have usually moved in the same direction. FFBKX charges 0.39%/yr vs 0.08%/yr for MURLX.

Performance

FFBKX vs. MURLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Freedom Blend 2065 Fund Class K (FFBKX) and Mutual of America 2040 Retirement Fund (MURLX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FFBKX achieves a 12.11% return, which is significantly higher than MURLX's 8.41% return.

FFBKX

• 1D: 2.35%
• 1M: -1.02%
• 6M: 8.20%
• YTD: 12.11%
• 1Y: 24.49%
• 3Y*: 17.37%
• 5Y*: 9.61%
• 10Y*: —
• ALL TIME*: 12.39%

MURLX

• 1D: 1.55%
• 1M: -0.06%
• 6M: 5.37%
• YTD: 8.41%
• 1Y: 17.75%
• 3Y*: 13.49%
• 5Y*: 7.32%
• 10Y*: —
• ALL TIME*: 52.51%

*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)
FFBKX Fidelity Freedom Blend 2065 Fund Class K	$0.00	$0.00	$0.00
MURLX Mutual of America 2040 Retirement Fund	$0.00	$0.00	$0.00

FFBKX vs. MURLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
FFBKX Fidelity Freedom Blend 2065 Fund Class K	12.11%	22.70%	13.75%	20.50%	-18.96%	16.32%	18.00%
MURLX Mutual of America 2040 Retirement Fund	8.41%	17.01%	13.28%	14.86%	-15.95%	16.84%	889.04%

Correlation

The correlation between FFBKX and MURLX is 0.87, 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.	0.87
Correlation (3Y) Balances recent behavior with more history.	0.88
Correlation (5Y) Shows whether the relationship held over a longer period.	0.83
Correlation (All Time) Calculated using the full available price history since Jan 2, 2020	0.82

The correlation between FFBKX and MURLX has been stable across timeframes, ranging from 0.82 to 0.88 - a consistent structural relationship.

Return for Risk

FFBKX vs. MURLX — Risk / Return Rank

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

FFBKX

FFBKX Risk / Return Rank: 67
FFBKX Sharpe Ratio Rank: 63
FFBKX Sortino Ratio Rank: 61
FFBKX Omega Ratio Rank: 62
FFBKX Calmar Ratio Rank: 69
FFBKX Martin Ratio Rank: 78

MURLX

MURLX Risk / Return Rank: 71
MURLX Sharpe Ratio Rank: 67
MURLX Sortino Ratio Rank: 70
MURLX Omega Ratio Rank: 64
MURLX Calmar Ratio Rank: 70
MURLX Martin Ratio Rank: 83

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.

FFBKX vs. MURLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Freedom Blend 2065 Fund Class K (FFBKX) and Mutual of America 2040 Retirement Fund (MURLX). 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.

	FFBKX	MURLX	Difference
Sharpe ratio: Return per unit of total volatility	1.59	1.62	-0.03
Sortino ratio: Return per unit of downside risk	2.23	2.44	-0.21
Omega ratio: Gain probability vs. loss probability	1.29	1.29	0.00
Calmar ratio: Return relative to maximum drawdown	2.35	2.34	+0.01
Martin ratio: Return relative to average drawdown	9.83	10.66	-0.83

FFBKX vs. MURLX - Sharpe Ratio Comparison

The current FFBKX Sharpe Ratio is 1.59, which is comparable to the MURLX Sharpe Ratio of 1.62. The chart below compares the historical Sharpe Ratios of FFBKX and MURLX, 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

FFBKX vs. MURLX - Drawdown Comparison

The maximum FFBKX drawdown since its inception was -31.34%, roughly equal to the maximum MURLX drawdown of -31.54%. Use the drawdown chart below to compare losses from any high point for FFBKX and MURLX.

Drawdown Indicators

	FFBKX	MURLX	Difference
Max Drawdown Largest peak-to-trough decline	-31.34%	-31.54%	+0.20%
Max Drawdown (1Y) Largest decline over 1 year	-9.67%	-7.75%	-1.92%
Max Drawdown (3Y) Largest decline over 3 years	-15.51%	-13.69%	-1.82%
Max Drawdown (5Y) Largest decline over 5 years	-27.75%	-23.06%	-4.69%
Current Drawdown Current decline from peak	-2.24%	-0.67%	-1.57%
Average Drawdown Average peak-to-trough decline	-5.94%	-5.28%	-0.66%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.31%	1.63%	+0.68%

Volatility

FFBKX vs. MURLX - Volatility Comparison

Fidelity Freedom Blend 2065 Fund Class K (FFBKX) has a higher volatility of 4.40% compared to Mutual of America 2040 Retirement Fund (MURLX) at 2.93%. This indicates that FFBKX's price experiences larger fluctuations and is considered to be riskier than MURLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FFBKX	MURLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.40%	2.93%	+1.47%
Volatility (6M) Calculated over the trailing 6-month period	12.30%	8.60%	+3.70%
Volatility (1Y) Calculated over the trailing 1-year period	14.34%	11.22%	+3.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.36%	16.02%	-0.66%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.27%	376.81%	-359.54%

FFBKX vs. MURLX - Expense Ratio Comparison

FFBKX has a 0.39% expense ratio, which is higher than MURLX's 0.08% expense ratio.

Dividends

FFBKX vs. MURLX - Dividend Comparison

FFBKX's dividend yield for the trailing twelve months is around 3.31%, less than MURLX's 8.07% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
FFBKX Fidelity Freedom Blend 2065 Fund Class K	3.31%	2.49%	2.91%	1.92%	5.43%	6.86%	3.47%	2.85%
MURLX Mutual of America 2040 Retirement Fund	8.07%	8.62%	8.02%	3.04%	11.39%	4.17%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FFBKX and MURLX in my portfolio?

FFBKX and MURLX have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FFBKX or MURLX?

FFBKX has higher volatility (4.40%) compared to MURLX (2.93%). In terms of maximum drawdown, FFBKX dropped -31.34% vs MURLX's -31.54%.

Which has better risk-adjusted returns?

MURLX currently has the higher Sharpe Ratio (1.62 vs 1.59), 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.