TRMSX vs. PRCOX
Compare and contrast key facts about T. Rowe Price Mid-Cap Index Fund (TRMSX) and T. Rowe Price U.S. Equity Research Fund (PRCOX).
TRMSX is managed by T. Rowe Price. It was launched on Dec 8, 2015. PRCOX is managed by T. Rowe Price. It was launched on Nov 30, 1994.
Performance
TRMSX vs. PRCOX - Performance Comparison
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TRMSX vs. PRCOX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
TRMSX T. Rowe Price Mid-Cap Index Fund | -2.45% | 12.61% | 19.98% | 29.90% | -28.56% | 7.68% |
PRCOX T. Rowe Price U.S. Equity Research Fund | -4.40% | 16.97% | 26.41% | 29.82% | -18.80% | 16.62% |
Returns By Period
In the year-to-date period, TRMSX achieves a -2.45% return, which is significantly higher than PRCOX's -4.40% return.
TRMSX
- 1D
- 3.41%
- 1M
- -5.44%
- YTD
- -2.45%
- 6M
- -3.15%
- 1Y
- 18.13%
- 3Y*
- 16.63%
- 5Y*
- —
- 10Y*
- —
PRCOX
- 1D
- 3.03%
- 1M
- -5.43%
- YTD
- -4.40%
- 6M
- -1.63%
- 1Y
- 17.03%
- 3Y*
- 19.27%
- 5Y*
- 12.31%
- 10Y*
- 14.64%
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TRMSX vs. PRCOX - Expense Ratio Comparison
TRMSX has a 0.14% expense ratio, which is lower than PRCOX's 0.42% expense ratio.
Return for Risk
TRMSX vs. PRCOX — Risk / Return Rank
TRMSX
PRCOX
TRMSX vs. PRCOX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Mid-Cap Index Fund (TRMSX) 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.
| TRMSX | PRCOX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.88 | 0.97 | -0.08 |
Sortino ratioReturn per unit of downside risk | 1.41 | 1.49 | -0.08 |
Omega ratioGain probability vs. loss probability | 1.20 | 1.22 | -0.03 |
Calmar ratioReturn relative to maximum drawdown | 0.09 | 1.29 | -1.20 |
Martin ratioReturn relative to average drawdown | 0.32 | 6.07 | -5.75 |
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
| TRMSX | PRCOX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.88 | 0.97 | -0.08 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.72 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.80 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.26 | 0.55 | -0.29 |
Correlation
The correlation between TRMSX and PRCOX is 0.83, 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
TRMSX vs. PRCOX - Dividend Comparison
TRMSX's dividend yield for the trailing twelve months is around 6.65%, more than PRCOX's 1.80% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TRMSX T. Rowe Price Mid-Cap Index Fund | 6.65% | 6.49% | 1.98% | 0.86% | 1.92% | 4.01% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
PRCOX T. Rowe Price U.S. Equity Research Fund | 1.80% | 1.72% | 0.64% | 1.17% | 1.28% | 3.71% | 1.04% | 1.39% | 5.60% | 7.02% | 7.28% | 8.76% |
Drawdowns
TRMSX vs. PRCOX - Drawdown Comparison
The maximum TRMSX drawdown since its inception was -37.34%, smaller than the maximum PRCOX drawdown of -53.96%. Use the drawdown chart below to compare losses from any high point for TRMSX and PRCOX.
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Drawdown Indicators
| TRMSX | PRCOX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -37.34% | -53.96% | +16.62% |
Max Drawdown (1Y)Largest decline over 1 year | -14.85% | -12.19% | -2.66% |
Max Drawdown (5Y)Largest decline over 5 years | — | -24.94% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -34.42% | — |
Current DrawdownCurrent decline from peak | -6.43% | -6.57% | +0.14% |
Average DrawdownAverage peak-to-trough decline | -14.34% | -9.22% | -5.12% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.31% | 2.59% | +4.72% |
Volatility
TRMSX vs. PRCOX - Volatility Comparison
T. Rowe Price Mid-Cap Index Fund (TRMSX) has a higher volatility of 6.71% compared to T. Rowe Price U.S. Equity Research Fund (PRCOX) at 5.63%. This indicates that TRMSX's price experiences larger fluctuations and is considered to be riskier than PRCOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TRMSX | PRCOX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.71% | 5.63% | +1.08% |
Volatility (6M)Calculated over the trailing 6-month period | 13.35% | 9.35% | +4.00% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.34% | 18.35% | +6.99% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.16% | 17.33% | +5.83% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.16% | 18.33% | +4.83% |