PRCOX vs. ^GSPC

Last updated Jun 6, 2026

PRCOX (T. Rowe Price U.S. Equity Research Fund) is Large Cap Blend Equities fund managed by T. Rowe Price, while ^GSPC (S&P 500 Index) is an index. With a 0.97 correlation, they move nearly in lockstep.

Performance

PRCOX vs. ^GSPC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price U.S. Equity Research Fund (PRCOX) and S&P 500 Index (^GSPC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PRCOX achieves a 11.76% return, which is significantly higher than ^GSPC's 7.86% return.

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%

^GSPC

• 1D: -2.64%
• 1M: 0.25%
• YTD: 7.86%
• 6M: 7.47%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

PRCOX vs. ^GSPC - Yearly Performance Comparison

	2026 (YTD)	2025
PRCOX T. Rowe Price U.S. Equity Research Fund	11.76%	14.00%
^GSPC S&P 500 Index	7.86%	14.08%

Correlation

The correlation between PRCOX and ^GSPC is 0.97 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jun 9, 2025	0.97

Return for Risk

PRCOX vs. ^GSPC — Risk / Return Rank

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

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.

PRCOX vs. ^GSPC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price U.S. Equity Research Fund (PRCOX) and S&P 500 Index (^GSPC). 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.

	PRCOX	^GSPC	Difference
Sharpe ratio: Return per unit of total volatility	2.37	—	—
Sortino ratio: Return per unit of downside risk	3.29	—	—
Omega ratio: Gain probability vs. loss probability	1.42	—	—
Calmar ratio: Return relative to maximum drawdown	3.03	—	—
Martin ratio: Return relative to average drawdown	14.14	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	PRCOX	^GSPC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.37	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.84	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.88	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.57	1.91	-1.34

Drawdowns

PRCOX vs. ^GSPC - Drawdown Comparison

The maximum PRCOX drawdown since its inception was -53.96%, which is greater than ^GSPC's maximum drawdown of -9.10%. Use the drawdown chart below to compare losses from any high point for PRCOX and ^GSPC.

Drawdown Indicators

	PRCOX	^GSPC	Difference
Max Drawdown Largest peak-to-trough decline	-53.96%	-9.10%	-44.86%
Max Drawdown (1Y) Largest decline over 1 year	-9.32%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-19.39%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-24.94%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-34.42%	—	—
Current Drawdown Current decline from peak	-0.28%	-2.97%	+2.69%
Average Drawdown Average peak-to-trough decline	-9.18%	-1.13%	-8.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.99%	—	—

Volatility

Volatility by Period

	PRCOX	^GSPC	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.07%	—	—
Volatility (6M) Calculated over the trailing 6-month period	9.41%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	11.95%	12.19%	-0.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.34%	12.19%	+5.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.35%	12.19%	+6.16%

Frequently Asked Questions

Can I hold both PRCOX and ^GSPC in my portfolio?

With a correlation of 0.97, PRCOX and ^GSPC 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.