- ISIN
- US7795524054
- CUSIP
- 779552405
- Issuer
- T. Rowe Price
- Inception Date
- Aug 28, 2015
- Category
- Large Cap Blend Equities
- 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 10.2% since the beginning of the year. PRUIX is currently trading at $195 per share. Investors who bought $1,000 worth of PRUIX shares 5 years ago would now be looking at an investment worth $1,930.
Loading charts...
Returns By Period
T. Rowe Price Equity Index 500 Fund - I Class (PRUIX) has returned 10.15% so far this year and 27.12% over the past 12 months. Looking at the last ten years, PRUIX has achieved an annualized return of 15.49%, outperforming the S&P 500 Index benchmark, which averaged 13.88% per year.
T. Rowe Price Equity Index 500 Fund - I Class
- 1D
- 1.08%
- 1M
- 0.46%
- YTD
- 10.15%
- 6M
- 9.64%
- 1Y
- 27.12%
- 3Y*
- 20.93%
- 5Y*
- 14.05%
- 10Y*
- 15.49%
Benchmark (S&P 500 Index)
- 1D
- -0.37%
- 1M
- -0.01%
- YTD
- 9.16%
- 6M
- 8.64%
- 1Y
- 25.22%
- 3Y*
- 19.78%
- 5Y*
- 11.99%
- 10Y*
- 13.88%
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 +1.28%. At this rate, an investment would double in approximately 4.5 years.
Historically, 71% of months were positive and 29% 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%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1.44% | -0.77% | -4.99% | 10.49% | 5.26% | -0.96% | 10.15% | ||||||
| 2025 | 2.77% | -1.31% | -5.64% | -0.68% | 6.28% | 5.09% | 2.24% | 2.02% | 3.65% | 2.34% | 0.24% | 0.06% | 17.82% |
| 2024 | 1.67% | 5.33% | 3.21% | -4.09% | 4.95% | 3.59% | 1.21% | 2.42% | 2.13% | -0.91% | 5.87% | -2.38% | 24.95% |
| 2023 | 6.28% | -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 1.85%, 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 96.39% 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
- 1.85%
- Beta
- 1.00
- R²
- 0.99
- Upside Capture
- 104.83%
- Downside Capture
- 96.39%
Expense Ratio
PRUIX has an expense ratio of 0.05%, which is considered low.
Return for Risk
Risk / Return Rank
PRUIX ranks 66 for risk / return — better than 66% of mutual funds on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.
Return / Risk — by 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.
| PRUIX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.13 | ||
| Sortino ratioReturn per unit of downside risk | +0.17 | ||
| Omega ratioGain probability vs. loss probability | 1.39 | 1.37 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | 3.03 | 2.78 | +0.24 |
| Martin ratioReturn relative to average drawdown | 13.69 | 12.44 | +1.25 |
Dividends
Dividend History
T. Rowe Price Equity Index 500 Fund - I Class provided a 2.24% dividend yield over the last twelve months, with an annual payout of $4.38 per share. The fund has been increasing its distributions for 3 consecutive years.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $4.38 | $4.34 | $1.98 | $1.81 | $1.71 | $2.06 | $2.07 | $1.93 | $1.85 | $1.00 | $1.30 |
Dividend yield | 2.24% | 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.48 | $0.00 | $0.00 | $0.00 | $0.48 | ||||||
| 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 1.36%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
COVID crash2020 | -33.80%Mar 2020 | 1mo 2d | 4mo 20d | 5mo 22dFeb 2020 - Aug 2020 |
Bear market2022 | -24.52%Oct 2022 | 9mo 11d | 1y 2mo | 1y 11moJan 2022 - Dec 2023 |
Rate-hike selloffLate 2018 | -19.37%Dec 2018 | 3mo 4d | 3mo 19d | 6mo 23dSep 2018 - Apr 2019 |
2025 selloff2025 | -18.76%Apr 2025 | 1mo 17d | 2mo 19d | 4mo 6dFeb 2025 - Jun 2025 |
2018 correction2018 | -10.10%Feb 2018 | 10d | 5mo 29d | 6mo 9dJan 2018 - Aug 2018 |
Drawdown Indicators
| PRUIX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest 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 DrawdownCurrent decline from peak | -1.36% | -1.80% | +0.44% |
Average DrawdownAverage peak-to-trough decline | -4.22% | -10.71% | +6.49% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.97% | 2.03% | -0.06% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
Loading charts...
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