TRLAX vs. NDARX

Last updated Jun 25, 2026

TRLAX (T. Rowe Price Retirement Income 2020 Fund) and NDARX (American Funds Retirement Income Portfolio - Enhanced) are both mutual funds - TRLAX is a Target Retirement Date fund managed by T. Rowe Price, while NDARX is a Diversified Portfolio fund managed by American Funds. Over the past 5 years, TRLAX returned 4.09%/yr vs 7.77%/yr for NDARX. Their correlation of 0.92 suggests significant overlap in exposure. TRLAX charges 0.53%/yr vs 0.34%/yr for NDARX.

Performance

TRLAX vs. NDARX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Retirement Income 2020 Fund (TRLAX) and American Funds Retirement Income Portfolio - Enhanced (NDARX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TRLAX achieves a 4.81% return, which is significantly lower than NDARX's 5.81% return.

TRLAX

• 1D: -0.84%
• 1M: 0.10%
• YTD: 4.81%
• 6M: 4.35%
• 1Y: 12.19%
• 3Y*: 10.30%
• 5Y*: 4.09%
• 10Y*: —

NDARX

• 1D: -0.56%
• 1M: 0.00%
• YTD: 5.81%
• 6M: 5.39%
• 1Y: 14.90%
• 3Y*: 14.19%
• 5Y*: 7.77%
• 10Y*: 8.54%

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

TRLAX vs. NDARX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TRLAX T. Rowe Price Retirement Income 2020 Fund	4.81%	10.92%	8.74%	12.89%	-16.59%	10.45%	13.48%	19.08%	-4.95%	5.22%
NDARX American Funds Retirement Income Portfolio - Enhanced	5.81%	17.21%	11.68%	12.03%	-10.98%	15.09%	7.10%	17.88%	-4.99%	5.94%

Correlation

The correlation between TRLAX and NDARX is 0.81, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.81
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.91
Correlation (All Time) Calculated using the full available price history since Jun 6, 2017	0.92

The correlation between TRLAX and NDARX shifts across timeframes, from 0.81 (1 year) to 0.92 (all time), reflecting how their relationship changes across market environments.

Return for Risk

TRLAX vs. NDARX — Risk / Return Rank

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

TRLAX

TRLAX Risk / Return Rank: 62
TRLAX Sharpe Ratio Rank: 59
TRLAX Sortino Ratio Rank: 64
TRLAX Omega Ratio Rank: 61
TRLAX Calmar Ratio Rank: 56
TRLAX Martin Ratio Rank: 71

NDARX

NDARX Risk / Return Rank: 53
NDARX Sharpe Ratio Rank: 56
NDARX Sortino Ratio Rank: 55
NDARX Omega Ratio Rank: 57
NDARX Calmar Ratio Rank: 42
NDARX Martin Ratio Rank: 54

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.

TRLAX vs. NDARX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Retirement Income 2020 Fund (TRLAX) and American Funds Retirement Income Portfolio - Enhanced (NDARX). 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.

	TRLAX	NDARX	Difference
Sharpe ratio: Return per unit of total volatility	2.00	1.99	+0.01
Sortino ratio: Return per unit of downside risk	2.95	2.80	+0.15
Omega ratio: Gain probability vs. loss probability	1.38	1.37	+0.01
Calmar ratio: Return relative to maximum drawdown	2.63	2.31	+0.33
Martin ratio: Return relative to average drawdown	12.20	10.29	+1.91

TRLAX vs. NDARX - Sharpe Ratio Comparison

The current TRLAX Sharpe Ratio is 2.00, which is comparable to the NDARX Sharpe Ratio of 1.99. The chart below compares the historical Sharpe Ratios of TRLAX and NDARX, 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

TRLAX vs. NDARX - Drawdown Comparison

The maximum TRLAX drawdown since its inception was -23.82%, roughly equal to the maximum NDARX drawdown of -23.62%. Use the drawdown chart below to compare losses from any high point for TRLAX and NDARX.

Drawdown Indicators

	TRLAX	NDARX	Difference
Max Drawdown Largest peak-to-trough decline	-23.82%	-23.62%	-0.20%
Max Drawdown (1Y) Largest decline over 1 year	-5.70%	-6.86%	+1.16%
Max Drawdown (3Y) Largest decline over 3 years	-8.86%	-9.18%	+0.32%
Max Drawdown (5Y) Largest decline over 5 years	-22.46%	-18.37%	-4.09%
Max Drawdown (10Y) Largest decline over 10 years	—	-23.62%	—
Current Drawdown Current decline from peak	-1.25%	-1.17%	-0.08%
Average Drawdown Average peak-to-trough decline	-4.55%	-3.08%	-1.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.16%	1.54%	-0.38%

Volatility

TRLAX vs. NDARX - Volatility Comparison

T. Rowe Price Retirement Income 2020 Fund (TRLAX) has a higher volatility of 2.93% compared to American Funds Retirement Income Portfolio - Enhanced (NDARX) at 2.74%. This indicates that TRLAX's price experiences larger fluctuations and is considered to be riskier than NDARX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TRLAX	NDARX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.93%	2.74%	+0.19%
Volatility (6M) Calculated over the trailing 6-month period	6.25%	6.51%	-0.26%
Volatility (1Y) Calculated over the trailing 1-year period	7.52%	7.98%	-0.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.88%	9.54%	-0.66%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.76%	10.19%	-0.43%

TRLAX vs. NDARX - Expense Ratio Comparison

TRLAX has a 0.53% expense ratio, which is higher than NDARX's 0.34% expense ratio.

Dividends

TRLAX vs. NDARX - Dividend Comparison

TRLAX's dividend yield for the trailing twelve months is around 8.70%, more than NDARX's 4.95% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
NDARX American Funds Retirement Income Portfolio - Enhanced	4.95%	5.78%	3.07%	3.37%	5.60%	4.29%	2.91%	4.03%	4.29%	2.68%	2.86%
TRLAX T. Rowe Price Retirement Income 2020 Fund	8.70%	8.08%	8.38%	6.52%	7.29%	7.77%	7.93%	5.80%	7.83%	2.84%	0.00%

Frequently Asked Questions

Can I hold both TRLAX and NDARX in my portfolio?

TRLAX and NDARX have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TRLAX or NDARX?

TRLAX has higher volatility (2.93%) compared to NDARX (2.74%). In terms of maximum drawdown, TRLAX dropped -23.82% vs NDARX's -23.62%.

Which has better risk-adjusted returns?

TRLAX currently has the higher Sharpe Ratio (2.00 vs 1.99), 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.