PCCOX vs. VIIIX
Compare and contrast key facts about T. Rowe Price U.S. Equity Research Fund I Class (PCCOX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX).
PCCOX is a passively managed fund by T. Rowe Price that tracks the performance of the S&P 500 Index. It was launched on Nov 29, 2016. VIIIX is managed by Vanguard. It was launched on Jul 7, 1997.
Performance
PCCOX vs. VIIIX - Performance Comparison
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PCCOX vs. VIIIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PCCOX T. Rowe Price U.S. Equity Research Fund I Class | -7.20% | 17.12% | 26.56% | 29.93% | -18.71% | 28.17% | 19.96% | 33.13% | -4.55% | 23.01% |
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares | -7.06% | 17.87% | 26.29% | 25.79% | -18.14% | 28.69% | 18.41% | 31.48% | -4.41% | 20.79% |
Returns By Period
The year-to-date returns for both investments are quite close, with PCCOX having a -7.20% return and VIIIX slightly higher at -7.06%.
PCCOX
- 1D
- -0.43%
- 1M
- -8.17%
- YTD
- -7.20%
- 6M
- -4.20%
- 1Y
- 14.21%
- 3Y*
- 18.22%
- 5Y*
- 12.03%
- 10Y*
- —
VIIIX
- 1D
- -0.39%
- 1M
- -7.68%
- YTD
- -7.06%
- 6M
- -4.59%
- 1Y
- 14.44%
- 3Y*
- 17.57%
- 5Y*
- 11.54%
- 10Y*
- 13.82%
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PCCOX vs. VIIIX - Expense Ratio Comparison
PCCOX has a 0.34% expense ratio, which is higher than VIIIX's 0.02% expense ratio.
Return for Risk
PCCOX vs. VIIIX — Risk / Return Rank
PCCOX
VIIIX
PCCOX vs. VIIIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price U.S. Equity Research Fund I Class (PCCOX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). 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.
| PCCOX | VIIIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.82 | 0.84 | -0.01 |
Sortino ratioReturn per unit of downside risk | 1.28 | 1.30 | -0.01 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.20 | 0.00 |
Calmar ratioReturn relative to maximum drawdown | 0.96 | 1.06 | -0.10 |
Martin ratioReturn relative to average drawdown | 4.60 | 5.14 | -0.54 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| PCCOX | VIIIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.82 | 0.84 | -0.01 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.70 | 0.69 | +0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.77 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.77 | 0.46 | +0.31 |
Correlation
The correlation between PCCOX and VIIIX is 0.98, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
PCCOX vs. VIIIX - Dividend Comparison
PCCOX's dividend yield for the trailing twelve months is around 1.91%, less than VIIIX's 2.90% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PCCOX T. Rowe Price U.S. Equity Research Fund I Class | 1.91% | 1.77% | 0.71% | 1.22% | 1.38% | 3.78% | 1.12% | 1.45% | 5.77% | 7.18% | 0.00% | 0.00% |
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares | 2.90% | 2.11% | 3.66% | 2.66% | 3.39% | 4.79% | 3.07% | 2.86% | 2.45% | 1.84% | 2.38% | 2.47% |
Drawdowns
PCCOX vs. VIIIX - Drawdown Comparison
The maximum PCCOX drawdown since its inception was -34.42%, smaller than the maximum VIIIX drawdown of -55.18%. Use the drawdown chart below to compare losses from any high point for PCCOX and VIIIX.
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Drawdown Indicators
| PCCOX | VIIIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.42% | -55.18% | +20.76% |
Max Drawdown (1Y)Largest decline over 1 year | -12.19% | -12.12% | -0.07% |
Max Drawdown (5Y)Largest decline over 5 years | -24.90% | -24.50% | -0.40% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.79% | — |
Current DrawdownCurrent decline from peak | -9.30% | -8.90% | -0.40% |
Average DrawdownAverage peak-to-trough decline | -4.57% | -10.07% | +5.50% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.63% | 2.49% | +0.14% |
Volatility
PCCOX vs. VIIIX - Volatility Comparison
T. Rowe Price U.S. Equity Research Fund I Class (PCCOX) has a higher volatility of 4.50% compared to Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) at 4.24%. This indicates that PCCOX's price experiences larger fluctuations and is considered to be riskier than VIIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PCCOX | VIIIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.50% | 4.24% | +0.26% |
Volatility (6M)Calculated over the trailing 6-month period | 8.86% | 9.08% | -0.22% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.14% | 18.13% | +0.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.26% | 16.85% | +0.41% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.78% | 18.02% | +0.76% |