MURLX vs. PDDDX

Last updated Jun 4, 2026

MURLX (Mutual of America 2040 Retirement Fund) and PDDDX (Prudential Day One 2020 Fund) are both Target Retirement Date funds. Over the past 5 years, MURLX returned 7.64%/yr vs 10.94%/yr for PDDDX. A 0.77 correlation means they provide meaningful diversification when combined. MURLX charges 0.08%/yr vs 0.76%/yr for PDDDX.

Performance

MURLX vs. PDDDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Mutual of America 2040 Retirement Fund (MURLX) and Prudential Day One 2020 Fund (PDDDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MURLX achieves a 8.57% return, which is significantly higher than PDDDX's 5.76% return.

MURLX

• 1D: 0.30%
• 1M: 3.75%
• YTD: 8.57%
• 6M: 9.09%
• 1Y: 21.57%
• 3Y*: 15.43%
• 5Y*: 7.64%
• 10Y*: —

PDDDX

• 1D: 0.09%
• 1M: 1.38%
• YTD: 5.76%
• 6M: 5.67%
• 1Y: 12.97%
• 3Y*: 12.66%
• 5Y*: 10.94%
• 10Y*: —

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

MURLX vs. PDDDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
MURLX Mutual of America 2040 Retirement Fund	8.57%	17.01%	13.28%	14.86%	-15.95%	16.84%	889.04%
PDDDX Prudential Day One 2020 Fund	5.76%	10.40%	15.97%	9.52%	-12.63%	36.80%	7.75%

Correlation

The correlation between MURLX and PDDDX 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	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.76
Correlation (All Time) Calculated using the full available price history since Jan 3, 2020	0.77

The correlation between MURLX and PDDDX has been stable across timeframes, ranging from 0.76 to 0.82 - a consistent structural relationship.

Return for Risk

MURLX vs. PDDDX — Risk / Return Rank

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

MURLX

MURLX Risk / Return Rank: 67
MURLX Sharpe Ratio Rank: 63
MURLX Sortino Ratio Rank: 68
MURLX Omega Ratio Rank: 59
MURLX Calmar Ratio Rank: 68
MURLX Martin Ratio Rank: 79

PDDDX

PDDDX Risk / Return Rank: 81
PDDDX Sharpe Ratio Rank: 83
PDDDX Sortino Ratio Rank: 83
PDDDX Omega Ratio Rank: 80
PDDDX Calmar Ratio Rank: 75
PDDDX Martin Ratio Rank: 84

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.

MURLX vs. PDDDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Mutual of America 2040 Retirement Fund (MURLX) and Prudential Day One 2020 Fund (PDDDX). 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.

	MURLX	PDDDX	Difference
Sharpe ratio: Return per unit of total volatility	2.34	2.70	-0.36
Sortino ratio: Return per unit of downside risk	3.47	3.94	-0.47
Omega ratio: Gain probability vs. loss probability	1.43	1.53	-0.10
Calmar ratio: Return relative to maximum drawdown	3.17	3.37	-0.20
Martin ratio: Return relative to average drawdown	14.86	15.78	-0.92
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MURLX vs. PDDDX - Sharpe Ratio Comparison

The current MURLX Sharpe Ratio is 2.34, which is comparable to the PDDDX Sharpe Ratio of 2.70. The chart below compares the historical Sharpe Ratios of MURLX and PDDDX, 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

	MURLX	PDDDX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.34	2.70	-0.36
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.54	0.80	-0.26
Sharpe Ratio (All Time) Calculated using the full available price history	0.16	0.82	-0.66

Drawdowns

MURLX vs. PDDDX - Drawdown Comparison

The maximum MURLX drawdown since its inception was -31.54%, which is greater than PDDDX's maximum drawdown of -18.88%. Use the drawdown chart below to compare losses from any high point for MURLX and PDDDX.

Drawdown Indicators

	MURLX	PDDDX	Difference
Max Drawdown Largest peak-to-trough decline	-31.54%	-18.88%	-12.66%
Max Drawdown (1Y) Largest decline over 1 year	-7.75%	-3.90%	-3.85%
Max Drawdown (3Y) Largest decline over 3 years	-13.69%	-6.09%	-7.60%
Max Drawdown (5Y) Largest decline over 5 years	-23.06%	-16.64%	-6.42%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-5.41%	-3.01%	-2.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.58%	0.83%	+0.75%

Volatility

MURLX vs. PDDDX - Volatility Comparison

Mutual of America 2040 Retirement Fund (MURLX) has a higher volatility of 2.98% compared to Prudential Day One 2020 Fund (PDDDX) at 1.59%. This indicates that MURLX's price experiences larger fluctuations and is considered to be riskier than PDDDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MURLX	PDDDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.98%	1.59%	+1.39%
Volatility (6M) Calculated over the trailing 6-month period	8.46%	3.91%	+4.55%
Volatility (1Y) Calculated over the trailing 1-year period	10.51%	4.87%	+5.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.02%	13.75%	+2.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	382.12%	11.37%	+370.75%

MURLX vs. PDDDX - Expense Ratio Comparison

MURLX has a 0.08% expense ratio, which is lower than PDDDX's 0.76% expense ratio.

Dividends

MURLX vs. PDDDX - Dividend Comparison

MURLX's dividend yield for the trailing twelve months is around 7.94%, more than PDDDX's 3.83% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
MURLX Mutual of America 2040 Retirement Fund	7.94%	8.62%	8.02%	3.04%	11.39%	4.17%	0.00%	0.00%	0.00%	0.00%
PDDDX Prudential Day One 2020 Fund	3.83%	4.05%	19.73%	3.22%	8.41%	28.05%	1.91%	3.76%	3.05%	0.86%

Frequently Asked Questions

Can I hold both MURLX and PDDDX in my portfolio?

MURLX and PDDDX 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, MURLX or PDDDX?

MURLX has higher volatility (2.98%) compared to PDDDX (1.59%). In terms of maximum drawdown, MURLX dropped -31.54% vs PDDDX's -18.88%.

Which has better risk-adjusted returns?

PDDDX currently has the higher Sharpe Ratio (2.70 vs 2.34), 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.