PRGFX vs. RSP

Last updated Jun 23, 2026

PRGFX (T. Rowe Price Growth Stock Fund) and RSP (Invesco S&P 500 Equal Weight ETF) are both funds - PRGFX is a Large Cap Growth Equities fund managed by T. Rowe Price, while RSP is a S&P 500 fund tracking the S&P 500 Equal Weight Index. Over the past 10 years, PRGFX returned 15.92%/yr vs 12.27%/yr for RSP. Their correlation of 0.82 suggests significant overlap in exposure. PRGFX charges 0.63%/yr vs 0.20%/yr for RSP.

Performance

PRGFX vs. RSP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Growth Stock Fund (PRGFX) and Invesco S&P 500 Equal Weight ETF (RSP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PRGFX achieves a 3.52% return, which is significantly lower than RSP's 10.32% return. Over the past 10 years, PRGFX has outperformed RSP with an annualized return of 15.92%, while RSP has yielded a comparatively lower 12.27% annualized return.

PRGFX

• 1D: 1.71%
• 1M: -0.72%
• YTD: 3.52%
• 6M: 2.95%
• 1Y: 19.83%
• 3Y*: 22.66%
• 5Y*: 8.90%
• 10Y*: 15.92%

RSP

• 1D: 0.22%
• 1M: 1.86%
• YTD: 10.32%
• 6M: 9.19%
• 1Y: 20.44%
• 3Y*: 15.00%
• 5Y*: 8.85%
• 10Y*: 12.27%

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

PRGFX vs. RSP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PRGFX T. Rowe Price Growth Stock Fund	3.52%	15.64%	38.36%	45.33%	-40.12%	19.86%	36.92%	30.83%	-1.04%	33.57%
RSP Invesco S&P 500 Equal Weight ETF	10.32%	11.21%	12.79%	13.70%	-11.62%	29.41%	12.66%	28.91%	-7.84%	18.52%

Correlation

The correlation between PRGFX and RSP is 0.46, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.46
Correlation (3Y) Calculated over the trailing 3-year period	0.53
Correlation (5Y) Calculated over the trailing 5-year period	0.68
Correlation (10Y) Calculated over the trailing 10-year period	0.70
Correlation (All Time) Calculated using the full available price history since Apr 30, 2003	0.83

Over the past year, the correlation between PRGFX and RSP has dropped to 0.46 - well below their long-term average of 0.82, suggesting their price drivers have been diverging.

Return for Risk

PRGFX vs. RSP — Risk / Return Rank

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

PRGFX

PRGFX Risk / Return Rank: 16
PRGFX Sharpe Ratio Rank: 19
PRGFX Sortino Ratio Rank: 17
PRGFX Omega Ratio Rank: 17
PRGFX Calmar Ratio Rank: 12
PRGFX Martin Ratio Rank: 12

RSP

RSP Risk / Return Rank: 53
RSP Sharpe Ratio Rank: 53
RSP Sortino Ratio Rank: 53
RSP Omega Ratio Rank: 49
RSP Calmar Ratio Rank: 54
RSP Martin Ratio Rank: 58

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.

PRGFX vs. RSP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Growth Stock Fund (PRGFX) and Invesco S&P 500 Equal Weight ETF (RSP). 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.

	PRGFX	RSP	Difference
Sharpe ratio: Return per unit of total volatility	1.15	1.74	-0.59
Sortino ratio: Return per unit of downside risk	1.63	2.50	-0.87
Omega ratio: Gain probability vs. loss probability	1.21	1.30	-0.10
Calmar ratio: Return relative to maximum drawdown	1.07	2.61	-1.55
Martin ratio: Return relative to average drawdown	3.36	9.88	-6.53

PRGFX vs. RSP - Sharpe Ratio Comparison

The current PRGFX Sharpe Ratio is 1.15, which is lower than the RSP Sharpe Ratio of 1.74. The chart below compares the historical Sharpe Ratios of PRGFX and RSP, 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

PRGFX vs. RSP - Drawdown Comparison

The maximum PRGFX drawdown since its inception was -54.01%, smaller than the maximum RSP drawdown of -59.92%. Use the drawdown chart below to compare losses from any high point for PRGFX and RSP.

Drawdown Indicators

	PRGFX	RSP	Difference
Max Drawdown Largest peak-to-trough decline	-54.01%	-59.92%	+5.91%
Max Drawdown (1Y) Largest decline over 1 year	-18.02%	-7.85%	-10.17%
Max Drawdown (3Y) Largest decline over 3 years	-22.69%	-17.81%	-4.88%
Max Drawdown (5Y) Largest decline over 5 years	-46.44%	-21.38%	-25.06%
Max Drawdown (10Y) Largest decline over 10 years	-46.44%	-39.04%	-7.40%
Current Drawdown Current decline from peak	-3.65%	-1.15%	-2.50%
Average Drawdown Average peak-to-trough decline	-10.67%	-6.64%	-4.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.72%	2.07%	+3.65%

Volatility

PRGFX vs. RSP - Volatility Comparison

T. Rowe Price Growth Stock Fund (PRGFX) has a higher volatility of 6.30% compared to Invesco S&P 500 Equal Weight ETF (RSP) at 3.61%. This indicates that PRGFX's price experiences larger fluctuations and is considered to be riskier than RSP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PRGFX	RSP	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.30%	3.61%	+2.69%
Volatility (6M) Calculated over the trailing 6-month period	13.08%	8.67%	+4.41%
Volatility (1Y) Calculated over the trailing 1-year period	16.69%	11.83%	+4.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.18%	16.20%	+6.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.16%	18.37%	+3.79%

PRGFX vs. RSP - Expense Ratio Comparison

PRGFX has a 0.63% expense ratio, which is higher than RSP's 0.20% expense ratio.

Dividends

PRGFX vs. RSP - Dividend Comparison

PRGFX's dividend yield for the trailing twelve months is around 13.12%, more than RSP's 1.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PRGFX T. Rowe Price Growth Stock Fund	13.12%	13.58%	13.26%	3.34%	3.55%	9.34%	3.51%	1.81%	9.09%	13.57%	2.22%	7.23%
RSP Invesco S&P 500 Equal Weight ETF	1.87%	1.64%	1.52%	1.64%	1.82%	1.28%	1.64%	1.69%	2.02%	1.52%	1.20%	1.70%

Frequently Asked Questions

Can I hold both PRGFX and RSP in my portfolio?

PRGFX and RSP have a correlation of 0.46, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PRGFX or RSP?

PRGFX has higher volatility (6.30%) compared to RSP (3.61%). In terms of maximum drawdown, PRGFX dropped -54.01% vs RSP's -59.92%.

Which has better risk-adjusted returns?

RSP currently has the higher Sharpe Ratio (1.74 vs 1.15), 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.