TRRDX vs. PRCOX

Last updated Jun 6, 2026

TRRDX (T. Rowe Price Retirement 2040 Fund) and PRCOX (T. Rowe Price U.S. Equity Research Fund) are both mutual funds - TRRDX is a Target Retirement Date fund managed by T. Rowe Price, while PRCOX is a Large Cap Blend Equities fund managed by T. Rowe Price. Over the past 10 years, TRRDX returned 10.54%/yr vs 16.09%/yr for PRCOX. Their correlation of 0.94 suggests significant overlap in exposure. TRRDX charges 0.61%/yr vs 0.42%/yr for PRCOX.

Performance

TRRDX vs. PRCOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Retirement 2040 Fund (TRRDX) and T. Rowe Price U.S. Equity Research Fund (PRCOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TRRDX achieves a 10.15% return, which is significantly lower than PRCOX's 11.76% return. Over the past 10 years, TRRDX has underperformed PRCOX with an annualized return of 10.54%, while PRCOX has yielded a comparatively higher 16.09% annualized return.

TRRDX

• 1D: 0.34%
• 1M: 1.36%
• YTD: 10.15%
• 6M: 5.84%
• 1Y: 17.89%
• 3Y*: 15.61%
• 5Y*: 7.31%
• 10Y*: 10.54%

PRCOX

• 1D: 0.39%
• 1M: 2.87%
• YTD: 11.76%
• 6M: 11.48%
• 1Y: 28.64%
• 3Y*: 23.15%
• 5Y*: 14.47%
• 10Y*: 16.09%

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

TRRDX vs. PRCOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TRRDX T. Rowe Price Retirement 2040 Fund	10.15%	12.53%	13.15%	19.60%	-18.77%	16.52%	18.10%	24.71%	-7.41%	22.03%
PRCOX T. Rowe Price U.S. Equity Research Fund	11.76%	16.34%	26.41%	29.82%	-18.80%	28.06%	19.82%	33.04%	-4.73%	23.80%

Correlation

The correlation between TRRDX and PRCOX is 0.86, 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	0.86
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.93
Correlation (All Time) Calculated using the full available price history since Oct 1, 2002	0.94

The correlation between TRRDX and PRCOX has been stable across timeframes, ranging from 0.86 to 0.94 - a consistent structural relationship.

Return for Risk

TRRDX vs. PRCOX — Risk / Return Rank

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

TRRDX

TRRDX Risk / Return Rank: 35
TRRDX Sharpe Ratio Rank: 34
TRRDX Sortino Ratio Rank: 32
TRRDX Omega Ratio Rank: 37
TRRDX Calmar Ratio Rank: 33
TRRDX Martin Ratio Rank: 40

PRCOX

PRCOX Risk / Return Rank: 69
PRCOX Sharpe Ratio Rank: 70
PRCOX Sortino Ratio Rank: 66
PRCOX Omega Ratio Rank: 62
PRCOX Calmar Ratio Rank: 67
PRCOX Martin Ratio Rank: 79

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.

TRRDX vs. PRCOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Retirement 2040 Fund (TRRDX) and T. Rowe Price U.S. Equity Research Fund (PRCOX). 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.

	TRRDX	PRCOX	Difference
Sharpe ratio: Return per unit of total volatility	1.61	2.37	-0.75
Sortino ratio: Return per unit of downside risk	2.25	3.29	-1.04
Omega ratio: Gain probability vs. loss probability	1.31	1.42	-0.11
Calmar ratio: Return relative to maximum drawdown	2.07	3.03	-0.96
Martin ratio: Return relative to average drawdown	8.33	14.14	-5.82
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TRRDX vs. PRCOX - Sharpe Ratio Comparison

The current TRRDX Sharpe Ratio is 1.61, which is lower than the PRCOX Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of TRRDX and PRCOX, 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

	TRRDX	PRCOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.61	2.37	-0.75
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.52	0.84	-0.32
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.72	0.88	-0.16
Sharpe Ratio (All Time) Calculated using the full available price history	0.59	0.57	+0.02

Drawdowns

TRRDX vs. PRCOX - Drawdown Comparison

The maximum TRRDX drawdown since its inception was -53.50%, roughly equal to the maximum PRCOX drawdown of -53.96%. Use the drawdown chart below to compare losses from any high point for TRRDX and PRCOX.

Drawdown Indicators

	TRRDX	PRCOX	Difference
Max Drawdown Largest peak-to-trough decline	-53.50%	-53.96%	+0.46%
Max Drawdown (1Y) Largest decline over 1 year	-8.88%	-9.32%	+0.44%
Max Drawdown (3Y) Largest decline over 3 years	-14.03%	-19.39%	+5.36%
Max Drawdown (5Y) Largest decline over 5 years	-27.26%	-24.94%	-2.32%
Max Drawdown (10Y) Largest decline over 10 years	-31.46%	-34.42%	+2.96%
Current Drawdown Current decline from peak	-0.29%	-0.28%	-0.01%
Average Drawdown Average peak-to-trough decline	-6.54%	-9.18%	+2.64%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.18%	1.99%	+0.19%

Volatility

TRRDX vs. PRCOX - Volatility Comparison

T. Rowe Price Retirement 2040 Fund (TRRDX) and T. Rowe Price U.S. Equity Research Fund (PRCOX) have volatilities of 3.20% and 3.07%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TRRDX	PRCOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.20%	3.07%	+0.13%
Volatility (6M) Calculated over the trailing 6-month period	9.47%	9.41%	+0.06%
Volatility (1Y) Calculated over the trailing 1-year period	11.40%	11.95%	-0.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.14%	17.34%	-3.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.62%	18.35%	-3.73%

TRRDX vs. PRCOX - Expense Ratio Comparison

TRRDX has a 0.61% expense ratio, which is higher than PRCOX's 0.42% expense ratio.

Dividends

TRRDX vs. PRCOX - Dividend Comparison

TRRDX has not paid dividends to shareholders, while PRCOX's dividend yield for the trailing twelve months is around 1.05%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PRCOX T. Rowe Price U.S. Equity Research Fund	1.05%	1.17%	0.64%	1.17%	1.28%	3.71%	1.04%	1.39%	5.60%	7.02%	7.28%	8.76%
TRRDX T. Rowe Price Retirement 2040 Fund	0.00%	0.00%	2.26%	5.60%	8.92%	7.92%	4.96%	6.10%	9.51%	3.96%	3.36%	4.61%

Frequently Asked Questions

Can I hold both TRRDX and PRCOX in my portfolio?

TRRDX and PRCOX have a correlation of 0.86, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TRRDX or PRCOX?

TRRDX has higher volatility (3.20%) compared to PRCOX (3.07%). In terms of maximum drawdown, TRRDX dropped -53.50% vs PRCOX's -53.96%.

Which has better risk-adjusted returns?

PRCOX currently has the higher Sharpe Ratio (2.37 vs 1.61), 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.