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PREIX vs. FXAIX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between PREIX and FXAIX is 1.00, 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.


-0.50.00.51.01.0

Performance

PREIX vs. FXAIX - Performance Comparison

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

0.00%5.00%10.00%AugustSeptemberOctoberNovemberDecember2025
13.33%
13.48%
PREIX
FXAIX

Key characteristics

Sharpe Ratio

PREIX:

2.12

FXAIX:

2.14

Sortino Ratio

PREIX:

2.81

FXAIX:

2.84

Omega Ratio

PREIX:

1.39

FXAIX:

1.39

Calmar Ratio

PREIX:

3.22

FXAIX:

3.25

Martin Ratio

PREIX:

13.35

FXAIX:

13.56

Ulcer Index

PREIX:

2.04%

FXAIX:

2.03%

Daily Std Dev

PREIX:

12.86%

FXAIX:

12.86%

Max Drawdown

PREIX:

-55.00%

FXAIX:

-33.79%

Current Drawdown

PREIX:

0.00%

FXAIX:

0.00%

Returns By Period

As of year-to-date, both investments have demonstrated similar returns, with PREIX at 3.54% and FXAIX at 3.54%. Both investments have delivered pretty close results over the past 10 years, with PREIX having a 13.10% annualized return and FXAIX not far ahead at 13.54%.


PREIX

YTD

3.54%

1M

1.96%

6M

12.75%

1Y

26.55%

5Y*

14.50%

10Y*

13.10%

FXAIX

YTD

3.54%

1M

1.97%

6M

12.89%

1Y

26.84%

5Y*

14.90%

10Y*

13.54%

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


PREIX vs. FXAIX - Expense Ratio Comparison

PREIX has a 0.15% expense ratio, which is higher than FXAIX's 0.02% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.


PREIX
T. Rowe Price Equity Index 500 Fund
Expense ratio chart for PREIX: current value at 0.15% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.15%
Expense ratio chart for FXAIX: current value at 0.02% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.02%

Risk-Adjusted Performance

PREIX vs. FXAIX — Risk-Adjusted Performance Rank

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

PREIX
The Risk-Adjusted Performance Rank of PREIX is 8989
Overall Rank
The Sharpe Ratio Rank of PREIX is 8989
Sharpe Ratio Rank
The Sortino Ratio Rank of PREIX is 8787
Sortino Ratio Rank
The Omega Ratio Rank of PREIX is 8787
Omega Ratio Rank
The Calmar Ratio Rank of PREIX is 9090
Calmar Ratio Rank
The Martin Ratio Rank of PREIX is 9191
Martin Ratio Rank

FXAIX
The Risk-Adjusted Performance Rank of FXAIX is 8989
Overall Rank
The Sharpe Ratio Rank of FXAIX is 8989
Sharpe Ratio Rank
The Sortino Ratio Rank of FXAIX is 8787
Sortino Ratio Rank
The Omega Ratio Rank of FXAIX is 8787
Omega Ratio Rank
The Calmar Ratio Rank of FXAIX is 9090
Calmar Ratio Rank
The Martin Ratio Rank of FXAIX is 9191
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

PREIX vs. FXAIX - Risk-Adjusted Performance Comparison

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


Sharpe ratio
The chart of Sharpe ratio for PREIX, currently valued at 2.12, compared to the broader market-1.000.001.002.003.004.002.122.14
The chart of Sortino ratio for PREIX, currently valued at 2.81, compared to the broader market0.005.0010.002.812.84
The chart of Omega ratio for PREIX, currently valued at 1.39, compared to the broader market1.002.003.004.001.391.39
The chart of Calmar ratio for PREIX, currently valued at 3.22, compared to the broader market0.005.0010.0015.0020.003.223.25
The chart of Martin ratio for PREIX, currently valued at 13.35, compared to the broader market0.0020.0040.0060.0080.00100.0013.3513.56
PREIX
FXAIX

The current PREIX Sharpe Ratio is 2.12, which is comparable to the FXAIX Sharpe Ratio of 2.14. The chart below compares the historical Sharpe Ratios of PREIX and FXAIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio1.502.002.503.003.50AugustSeptemberOctoberNovemberDecember2025
2.12
2.14
PREIX
FXAIX

Dividends

PREIX vs. FXAIX - Dividend Comparison

PREIX's dividend yield for the trailing twelve months is around 1.09%, less than FXAIX's 1.20% yield.


TTM20242023202220212020201920182017201620152014
PREIX
T. Rowe Price Equity Index 500 Fund
1.09%1.13%1.33%1.50%1.15%1.56%1.78%1.95%1.65%1.83%2.02%1.69%
FXAIX
Fidelity 500 Index Fund
1.20%1.25%1.45%1.69%1.22%1.60%1.95%2.07%1.81%2.01%4.15%3.95%

Drawdowns

PREIX vs. FXAIX - Drawdown Comparison

The maximum PREIX drawdown since its inception was -55.00%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for PREIX and FXAIX. For additional features, visit the drawdowns tool.


-8.00%-6.00%-4.00%-2.00%0.00%AugustSeptemberOctoberNovemberDecember202500
PREIX
FXAIX

Volatility

PREIX vs. FXAIX - Volatility Comparison

T. Rowe Price Equity Index 500 Fund (PREIX) and Fidelity 500 Index Fund (FXAIX) have volatilities of 4.09% and 4.10%, 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.


2.00%3.00%4.00%5.00%6.00%AugustSeptemberOctoberNovemberDecember2025
4.09%
4.10%
PREIX
FXAIX
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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