FFGZX vs. MURNX

Last updated Jun 4, 2026

FFGZX (Fidelity Freedom Index Income Fund Institutional Premium Class) and MURNX (Mutual of America Investment Corporation - 2050 Retirement Fund) are both Target Retirement Date funds. Over the past 5 years, FFGZX returned 3.28%/yr vs 8.39%/yr for MURNX. A 0.59 correlation means they provide meaningful diversification when combined. Both charge a 0.08% expense ratio.

Performance

FFGZX vs. MURNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Freedom Index Income Fund Institutional Premium Class (FFGZX) and Mutual of America Investment Corporation - 2050 Retirement Fund (MURNX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FFGZX achieves a 4.28% return, which is significantly lower than MURNX's 9.89% return.

FFGZX

• 1D: 0.16%
• 1M: 1.75%
• YTD: 4.28%
• 6M: 4.42%
• 1Y: 10.55%
• 3Y*: 7.68%
• 5Y*: 3.28%
• 10Y*: 4.28%

MURNX

• 1D: 0.37%
• 1M: 4.18%
• YTD: 9.89%
• 6M: 10.36%
• 1Y: 23.87%
• 3Y*: 16.68%
• 5Y*: 8.39%
• 10Y*: —

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

FFGZX vs. MURNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
FFGZX Fidelity Freedom Index Income Fund Institutional Premium Class	4.28%	9.13%	5.02%	8.32%	-11.07%	2.85%	8.23%
MURNX Mutual of America Investment Corporation - 2050 Retirement Fund	9.89%	17.89%	14.37%	15.78%	-16.25%	17.85%	918.18%

Correlation

The correlation between FFGZX and MURNX is 0.71, 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	0.71
Correlation (3Y) Calculated over the trailing 3-year period	0.68
Correlation (5Y) Calculated over the trailing 5-year period	0.58
Correlation (All Time) Calculated using the full available price history since Jan 3, 2020	0.59

The correlation between FFGZX and MURNX shifts across timeframes, from 0.58 (5 years) to 0.71 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

FFGZX vs. MURNX — Risk / Return Rank

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

FFGZX

FFGZX Risk / Return Rank: 78
FFGZX Sharpe Ratio Rank: 82
FFGZX Sortino Ratio Rank: 84
FFGZX Omega Ratio Rank: 82
FFGZX Calmar Ratio Rank: 68
FFGZX Martin Ratio Rank: 75

MURNX

MURNX Risk / Return Rank: 68
MURNX Sharpe Ratio Rank: 63
MURNX Sortino Ratio Rank: 67
MURNX Omega Ratio Rank: 59
MURNX Calmar Ratio Rank: 68
MURNX Martin Ratio Rank: 81

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.

FFGZX vs. MURNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Freedom Index Income Fund Institutional Premium Class (FFGZX) and Mutual of America Investment Corporation - 2050 Retirement Fund (MURNX). 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.

	FFGZX	MURNX	Difference
Sharpe ratio: Return per unit of total volatility	2.64	2.33	+0.31
Sortino ratio: Return per unit of downside risk	3.97	3.42	+0.55
Omega ratio: Gain probability vs. loss probability	1.54	1.43	+0.11
Calmar ratio: Return relative to maximum drawdown	3.18	3.21	-0.03
Martin ratio: Return relative to average drawdown	14.23	15.18	-0.95
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FFGZX vs. MURNX - Sharpe Ratio Comparison

The current FFGZX Sharpe Ratio is 2.64, which is comparable to the MURNX Sharpe Ratio of 2.33. The chart below compares the historical Sharpe Ratios of FFGZX and MURNX, 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

	FFGZX	MURNX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.64	2.33	+0.31
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.65	0.55	+0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.97	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.93	0.17	+0.76

Drawdowns

FFGZX vs. MURNX - Drawdown Comparison

The maximum FFGZX drawdown since its inception was -14.94%, smaller than the maximum MURNX drawdown of -32.96%. Use the drawdown chart below to compare losses from any high point for FFGZX and MURNX.

Drawdown Indicators

	FFGZX	MURNX	Difference
Max Drawdown Largest peak-to-trough decline	-14.94%	-32.96%	+18.02%
Max Drawdown (1Y) Largest decline over 1 year	-3.33%	-8.50%	+5.17%
Max Drawdown (3Y) Largest decline over 3 years	-4.76%	-15.36%	+10.60%
Max Drawdown (5Y) Largest decline over 5 years	-14.94%	-23.75%	+8.81%
Max Drawdown (10Y) Largest decline over 10 years	-14.94%	—	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-2.26%	-5.50%	+3.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.74%	1.72%	-0.98%

Volatility

FFGZX vs. MURNX - Volatility Comparison

The current volatility for Fidelity Freedom Index Income Fund Institutional Premium Class (FFGZX) is 1.49%, while Mutual of America Investment Corporation - 2050 Retirement Fund (MURNX) has a volatility of 3.27%. This indicates that FFGZX experiences smaller price fluctuations and is considered to be less risky than MURNX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FFGZX	MURNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.49%	3.27%	-1.78%
Volatility (6M) Calculated over the trailing 6-month period	3.34%	9.43%	-6.09%
Volatility (1Y) Calculated over the trailing 1-year period	4.01%	11.70%	-7.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.08%	17.22%	-12.14%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.43%	381.80%	-377.37%

FFGZX vs. MURNX - Expense Ratio Comparison

Both FFGZX and MURNX have an expense ratio of 0.08%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

FFGZX vs. MURNX - Dividend Comparison

FFGZX's dividend yield for the trailing twelve months is around 3.21%, less than MURNX's 8.47% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FFGZX Fidelity Freedom Index Income Fund Institutional Premium Class	3.21%	3.30%	3.18%	2.88%	3.11%	2.10%	2.22%	7.35%	3.00%	1.95%	1.56%	1.06%
MURNX Mutual of America Investment Corporation - 2050 Retirement Fund	8.47%	9.30%	6.49%	3.56%	11.26%	3.72%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FFGZX and MURNX in my portfolio?

FFGZX and MURNX have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FFGZX or MURNX?

MURNX has higher volatility (3.27%) compared to FFGZX (1.49%). In terms of maximum drawdown, FFGZX dropped -14.94% vs MURNX's -32.96%.

Which has better risk-adjusted returns?

FFGZX currently has the higher Sharpe Ratio (2.64 vs 2.33), 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.