TRTGX vs. PREIX

Last updated Jun 24, 2026

TRTGX (T. Rowe Price Target 2060 Fund) and PREIX (T. Rowe Price Equity Index 500 Fund) are both mutual funds - TRTGX is a Target Retirement Date fund managed by T. Rowe Price, while PREIX is a Large Cap Blend Equities fund tracking the S&P 500 Index. Over the past 10 years, TRTGX returned 11.56%/yr vs 15.55%/yr for PREIX. Their correlation of 0.94 suggests significant overlap in exposure. TRTGX charges 0.90%/yr vs 0.15%/yr for PREIX.

Performance

TRTGX vs. PREIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Target 2060 Fund (TRTGX) and T. Rowe Price Equity Index 500 Fund (PREIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TRTGX achieves a 11.11% return, which is significantly higher than PREIX's 9.68% return. Over the past 10 years, TRTGX has underperformed PREIX with an annualized return of 11.56%, while PREIX has yielded a comparatively higher 15.55% annualized return.

TRTGX

• 1D: -0.10%
• 1M: 1.25%
• YTD: 11.11%
• 6M: 10.38%
• 1Y: 24.95%
• 3Y*: 18.06%
• 5Y*: 8.74%
• 10Y*: 11.56%

PREIX

• 1D: -0.37%
• 1M: 0.08%
• YTD: 9.68%
• 6M: 8.67%
• 1Y: 25.27%
• 3Y*: 21.17%
• 5Y*: 13.41%
• 10Y*: 15.55%

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

TRTGX vs. PREIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TRTGX T. Rowe Price Target 2060 Fund	11.11%	18.65%	14.02%	20.48%	-19.56%	17.04%	16.62%	25.06%	-7.86%	20.84%
PREIX T. Rowe Price Equity Index 500 Fund	9.68%	17.66%	24.78%	26.07%	-18.27%	28.48%	18.17%	31.47%	-4.59%	21.01%

Correlation

The correlation between TRTGX and PREIX is 0.91, 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	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.90
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 Jun 24, 2014	0.94

The correlation between TRTGX and PREIX has been stable across timeframes, ranging from 0.90 to 0.94 - a consistent structural relationship.

Return for Risk

TRTGX vs. PREIX — Risk / Return Rank

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

TRTGX

TRTGX Risk / Return Rank: 58
TRTGX Sharpe Ratio Rank: 57
TRTGX Sortino Ratio Rank: 55
TRTGX Omega Ratio Rank: 58
TRTGX Calmar Ratio Rank: 55
TRTGX Martin Ratio Rank: 64

PREIX

PREIX Risk / Return Rank: 64
PREIX Sharpe Ratio Rank: 62
PREIX Sortino Ratio Rank: 56
PREIX Omega Ratio Rank: 58
PREIX Calmar Ratio Rank: 66
PREIX Martin Ratio Rank: 77

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.

TRTGX vs. PREIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Target 2060 Fund (TRTGX) and T. Rowe Price Equity Index 500 Fund (PREIX). 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.

	TRTGX	PREIX	Difference
Sharpe ratio: Return per unit of total volatility	2.05	2.13	-0.08
Sortino ratio: Return per unit of downside risk	2.86	2.88	-0.02
Omega ratio: Gain probability vs. loss probability	1.38	1.39	0.00
Calmar ratio: Return relative to maximum drawdown	2.73	2.98	-0.25
Martin ratio: Return relative to average drawdown	11.72	13.43	-1.71

TRTGX vs. PREIX - Sharpe Ratio Comparison

The current TRTGX Sharpe Ratio is 2.05, which is comparable to the PREIX Sharpe Ratio of 2.13. The chart below compares the historical Sharpe Ratios of TRTGX and PREIX, 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

TRTGX vs. PREIX - Drawdown Comparison

The maximum TRTGX drawdown since its inception was -32.56%, smaller than the maximum PREIX drawdown of -55.32%. Use the drawdown chart below to compare losses from any high point for TRTGX and PREIX.

Drawdown Indicators

	TRTGX	PREIX	Difference
Max Drawdown Largest peak-to-trough decline	-32.56%	-55.32%	+22.76%
Max Drawdown (1Y) Largest decline over 1 year	-9.79%	-8.93%	-0.86%
Max Drawdown (3Y) Largest decline over 3 years	-16.06%	-18.78%	+2.72%
Max Drawdown (5Y) Largest decline over 5 years	-28.34%	-24.60%	-3.74%
Max Drawdown (10Y) Largest decline over 10 years	-32.56%	-33.81%	+1.25%
Current Drawdown Current decline from peak	-0.59%	-1.73%	+1.14%
Average Drawdown Average peak-to-trough decline	-5.27%	-8.71%	+3.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.25%	1.98%	+0.27%

Volatility

TRTGX vs. PREIX - Volatility Comparison

T. Rowe Price Target 2060 Fund (TRTGX) and T. Rowe Price Equity Index 500 Fund (PREIX) have volatilities of 4.85% and 4.68%, 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

	TRTGX	PREIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.85%	4.68%	+0.17%
Volatility (6M) Calculated over the trailing 6-month period	10.84%	9.84%	+1.00%
Volatility (1Y) Calculated over the trailing 1-year period	13.04%	12.51%	+0.53%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.40%	17.09%	-1.69%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.61%	18.15%	-2.54%

TRTGX vs. PREIX - Expense Ratio Comparison

TRTGX has a 0.90% expense ratio, which is higher than PREIX's 0.15% expense ratio.

Dividends

TRTGX vs. PREIX - Dividend Comparison

TRTGX's dividend yield for the trailing twelve months is around 3.77%, more than PREIX's 2.14% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PREIX T. Rowe Price Equity Index 500 Fund	2.14%	2.32%	1.17%	1.32%	1.50%	1.56%	1.97%	2.13%	2.60%	1.30%	2.03%	2.02%
TRTGX T. Rowe Price Target 2060 Fund	3.77%	4.19%	2.23%	2.72%	4.90%	3.23%	0.78%	4.03%	5.44%	2.90%	2.54%	2.63%

Frequently Asked Questions

Can I hold both TRTGX and PREIX in my portfolio?

With a correlation of 0.91, TRTGX and PREIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, TRTGX or PREIX?

TRTGX has higher volatility (4.85%) compared to PREIX (4.68%). In terms of maximum drawdown, TRTGX dropped -32.56% vs PREIX's -55.32%.

Which has better risk-adjusted returns?

PREIX currently has the higher Sharpe Ratio (2.13 vs 2.05), 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.