PortfoliosLab logoPortfoliosLab logo
ISIN
US7795524054
CUSIP
779552405
Inception Date
Aug 28, 2015
Min. Investment
$500,000
Index Tracked
S&P 500 Index
Distribution Policy
Distributing
Asset Class
Equity
Asset Class Size
Large-Cap
Asset Class Style
Blend

Share Price Chart


Loading charts...

Compare stocks, funds, or ETFs

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


Performance

PRUIX Performance Chart

T. Rowe Price Equity Index 500 Fund - I Class (PRUIX) is up 9.3% since the beginning of the year. PRUIX is currently trading at $193 per share. Investors who bought $1,000 worth of PRUIX shares 5 years ago would now be looking at an investment worth $1,813.


Loading charts...

Benchmark

Compare this symbol against anything

Returns By Period

T. Rowe Price Equity Index 500 Fund - I Class (PRUIX) has returned 9.31% so far this year and 20.57% over the past 12 months. Looking at the last ten years, PRUIX has achieved an annualized return of 14.91%, outperforming the S&P 500 Index benchmark, which averaged 13.26% per year.


T. Rowe Price Equity Index 500 Fund - I Class

1D
1.66%
1M
-0.56%
6M
7.76%
YTD
9.31%
1Y
20.57%
3Y*
18.98%
5Y*
12.64%
10Y*
14.91%
ALL TIME*
15.00%

Benchmark (S&P 500 Index)

1D
0.70%
1M
0.09%
6M
7.94%
YTD
9.41%
1Y
20.07%
3Y*
17.84%
5Y*
11.25%
10Y*
13.26%
ALL TIME*
8.09%
*Multi-year figures are annualized to reflect compound growth (CAGR)

PRUIX Monthly Returns History

Based on dividend-adjusted daily data since Jan 4, 2016, PRUIX's average daily return is +0.06%, while the average monthly return is +1.26%. At this rate, an investment would double in approximately 4.6 years.

Historically, 70% of months were positive and 30% were negative. The best month was Apr 2020 with a return of +12.8%, while the worst month was Mar 2020 at -12.4%. The longest winning streak lasted 15 consecutive months, and the longest losing streak was 3 months.

On a daily basis, PRUIX closed higher 55% of trading days. The best single day was Apr 9, 2025 with a return of +9.5%, while the worst single day was Mar 16, 2020 at -12.0%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20261.44%-0.77%-4.99%10.49%5.26%-0.95%-0.77%9.31%
20252.77%-1.31%-5.64%-0.68%6.28%5.09%2.24%2.02%3.65%2.34%0.24%0.06%17.82%
20241.67%5.33%3.21%-4.09%4.95%3.59%1.21%2.42%2.13%-0.91%5.87%-2.38%24.95%
20236.28%-2.44%3.68%1.55%0.43%6.60%3.20%-1.59%-4.78%-2.10%9.12%4.55%26.24%
2022-5.18%-3.00%3.72%-8.73%0.17%-8.27%9.21%-4.08%-9.21%8.10%5.59%-5.76%-18.14%
2021-1.01%2.75%4.37%5.33%0.70%2.33%2.37%3.04%-4.66%7.00%-0.70%4.48%28.62%

Benchmark Metrics

T. Rowe Price Equity Index 500 Fund - I Class has an annualized alpha of 1.84%, beta of 1.00, and R2 of 0.99 versus S&P 500 Index. Calculated based on daily prices since January 04, 2016.

  • This fund captured 104.83% of S&P 500 Index gains but only 96.36% of its losses - a favorable profile for investors.
  • With beta of 1.00 and R2 of 0.99, this fund moves broadly in line with S&P 500 Index - much of its variation is explained by market exposure rather than independent behavior.

Alpha
1.84%
Beta
1.00
0.99
Upside Capture
104.83%
Downside Capture
96.36%

Expense Ratio

PRUIX has an expense ratio of 0.05%, which is considered low.


Return for Risk

Risk / Return Rank

PRUIX ranks 52 for risk / return — above 52% of mutual funds peers on PortfoliosLab. Its historical combined result is near the middle of the peer group.


PRUIX Risk / Return Rank: 5252
Overall Rank
PRUIX Sharpe Ratio Rank: 4848
Sharpe Ratio Rank
PRUIX Sortino Ratio Rank: 4545
Sortino Ratio Rank
PRUIX Omega Ratio Rank: 4545
Omega Ratio Rank
PRUIX Calmar Ratio Rank: 5353
Calmar Ratio Rank
PRUIX Martin Ratio Rank: 6666
Martin Ratio Rank
The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

Risk / Return Metrics

The table below present risk-adjusted performance metrics for T. Rowe Price Equity Index 500 Fund - I Class (PRUIX) and compare them to S&P 500 Index.

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.


PRUIXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

+0.01

Sortino ratioReturn per unit of downside risk

+0.01

Omega ratioGain probability vs. loss probability

1.26

1.25

0.00

Calmar ratioReturn relative to maximum drawdown

2.05

2.00

+0.05

Martin ratioReturn relative to average drawdown

8.81

8.49

+0.32

Dividends

Dividend History

T. Rowe Price Equity Index 500 Fund - I Class provided a 2.28% dividend yield over the last twelve months, with an annual payout of $4.40 per share. The fund has been increasing its distributions for 3 consecutive years.


1.50%2.00%2.50%$0.00$1.00$2.00$3.00$4.002016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM2025202420232022202120202019201820172016
Dividend$4.40$4.34$1.98$1.81$1.71$2.06$2.07$1.93$1.85$1.00$1.30

Dividend yield

2.28%2.44%1.28%1.44%1.69%1.64%2.09%2.25%2.77%1.39%2.16%

Monthly Dividends

The table displays the monthly dividend distributions for T. Rowe Price Equity Index 500 Fund - I Class. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$0.48$0.00$0.00$0.51$0.00$1.00
2025$0.00$0.00$0.45$0.00$0.00$0.49$0.00$0.00$0.51$0.00$0.00$2.89$4.34
2024$0.00$0.00$0.44$0.00$0.00$0.47$0.00$0.00$0.47$0.00$0.00$0.60$1.98
2023$0.00$0.00$0.42$0.00$0.00$0.45$0.00$0.00$0.43$0.00$0.00$0.50$1.81
2022$0.00$0.00$0.38$0.00$0.00$0.45$0.00$0.00$0.43$0.00$0.00$0.45$1.71
2021$0.00$0.00$0.33$0.00$0.00$0.38$0.00$0.00$0.39$0.00$0.00$0.96$2.06

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


Loading charts...

Worst Drawdowns

The table below displays the maximum drawdowns of the T. Rowe Price Equity Index 500 Fund - I Class. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the T. Rowe Price Equity Index 500 Fund - I Class was 33.80%, occurring on Mar 23, 2020. Recovery took 97 trading sessions.

The current T. Rowe Price Equity Index 500 Fund - I Class drawdown is 2.11%.


Drawdown

Fall

Recovery

Underwater

Related event

-33.80%Mar 2020
1mo 2d4mo 20d
5mo 22dFeb 2020 - Aug 2020
COVID crash2020
-24.52%Oct 2022
9mo 11d1y 2mo
1y 11moJan 2022 - Dec 2023
Bear market2022
-19.37%Dec 2018
3mo 4d3mo 19d
6mo 23dSep 2018 - Apr 2019
Rate-hike selloffLate 2018
-18.76%Apr 2025
1mo 17d2mo 19d
4mo 6dFeb 2025 - Jun 2025
2025 selloff2025
-10.10%Feb 2018
10d5mo 29d
6mo 9dJan 2018 - Aug 2018

Drawdown Indicators


PRUIXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-33.80%

-56.78%

+22.98%

Max Drawdown (1Y)

Largest decline over 1 year

-8.91%

-9.10%

+0.19%

Max Drawdown (3Y)

Largest decline over 3 years

-18.76%

-18.90%

+0.14%

Max Drawdown (5Y)

Largest decline over 5 years

-24.52%

-25.43%

+0.91%

Max Drawdown (10Y)

Largest decline over 10 years

-33.80%

-33.92%

+0.12%

Current Drawdown

Current decline from peak

-2.11%

-1.58%

-0.53%

Average Drawdown

Average peak-to-trough decline

-4.19%

-10.70%

+6.51%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.07%

2.14%

-0.07%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


Loading charts...

Portfolio Analyzer

Build a portfolio with PRUIX

Add T. Rowe Price Equity Index 500 Fund - I Class to a portfolio and analyze allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

Open Portfolio Analyzer with PRUIX