PNAIX vs. POMIX
PNAIX (T. Rowe Price All-Cap Opportunities Fund I Class) and POMIX (T. Rowe Price Total Equity Market Index Fund) are both mutual funds - PNAIX is a Large Cap Growth Equities fund tracking the Russell 3000 Index, while POMIX is a Large Cap Blend Equities fund tracking the S&P Total Market Index. Both are passively managed. Over the past 10 years, PNAIX returned 14.93%/yr vs 14.12%/yr for POMIX. Their correlation of 0.94 means they have usually moved in the same direction. PNAIX charges 0.66%/yr vs 0.19%/yr for POMIX.
Performance
PNAIX vs. POMIX - Performance Comparison
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Returns By Period
In the year-to-date period, PNAIX achieves a -1.01% return, which is significantly lower than POMIX's 10.01% return. Over the past 10 years, PNAIX has outperformed POMIX with an annualized return of 14.93%, while POMIX has yielded a comparatively lower 14.12% annualized return.
PNAIX
- 1D
- 1.76%
- 1M
- -1.38%
- 6M
- -0.10%
- YTD
- -1.01%
- 1Y
- 7.71%
- 3Y*
- 14.96%
- 5Y*
- 8.68%
- 10Y*
- 14.93%
- ALL TIME*
- 14.47%
POMIX
- 1D
- 1.61%
- 1M
- -0.76%
- 6M
- 7.71%
- YTD
- 10.01%
- 1Y
- 21.38%
- 3Y*
- 18.58%
- 5Y*
- 11.60%
- 10Y*
- 14.12%
- ALL TIME*
- 8.65%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
PNAIX vs. POMIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PNAIX T. Rowe Price All-Cap Opportunities Fund I Class | -1.01% | 16.53% | 25.43% | 29.18% | -21.25% | 20.76% | 44.92% | 35.66% | 1.40% | 20.15% |
POMIX T. Rowe Price Total Equity Market Index Fund | 10.01% | 17.09% | 23.48% | 26.38% | -19.64% | 25.39% | 19.82% | 30.95% | -5.57% | 19.09% |
Correlation
The correlation between PNAIX and POMIX is 0.94, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.94 |
Correlation (3Y) Balances recent behavior with more history. | 0.94 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.96 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.94 |
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016 | 0.94 |
The correlation between PNAIX and POMIX has been stable across timeframes, ranging from 0.94 to 0.96 - a consistent structural relationship.
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Return for Risk
PNAIX vs. POMIX — Risk / Return Rank
PNAIX
POMIX
PNAIX vs. POMIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price All-Cap Opportunities Fund I Class (PNAIX) and T. Rowe Price Total Equity Market Index Fund (POMIX). 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.
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.
| PNAIX | POMIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.10 | ||
| Sortino ratioReturn per unit of downside risk | -1.49 | ||
| Omega ratioGain probability vs. loss probability | 1.08 | 1.27 | -0.19 |
| Calmar ratioReturn relative to maximum drawdown | 0.41 | 2.22 | -1.81 |
| Martin ratioReturn relative to average drawdown | 1.41 | 9.63 | -8.22 |
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Drawdowns
PNAIX vs. POMIX - Drawdown Comparison
The maximum PNAIX drawdown since its inception was -30.49%, smaller than the maximum POMIX drawdown of -55.54%. Use the drawdown chart below to compare losses from any high point for PNAIX and POMIX.
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Drawdown Indicators
| PNAIX | POMIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -30.49% | -55.54% | +25.05% |
Max Drawdown (1Y)Largest decline over 1 year | -14.02% | -8.83% | -5.19% |
Max Drawdown (3Y)Largest decline over 3 years | -19.05% | -19.67% | +0.62% |
Max Drawdown (5Y)Largest decline over 5 years | -29.29% | -25.56% | -3.73% |
Max Drawdown (10Y)Largest decline over 10 years | -30.49% | -35.05% | +4.56% |
Current DrawdownCurrent decline from peak | -2.93% | -1.78% | -1.15% |
Average DrawdownAverage peak-to-trough decline | -5.48% | -10.59% | +5.11% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.09% | 2.01% | +2.08% |
Volatility
PNAIX vs. POMIX - Volatility Comparison
T. Rowe Price All-Cap Opportunities Fund I Class (PNAIX) has a higher volatility of 4.17% compared to T. Rowe Price Total Equity Market Index Fund (POMIX) at 3.38%. This indicates that PNAIX's price experiences larger fluctuations and is considered to be riskier than POMIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PNAIX | POMIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.17% | 3.38% | +0.79% |
Volatility (6M)Calculated over the trailing 6-month period | 11.97% | 10.31% | +1.66% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.62% | 13.05% | +1.57% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.77% | 17.65% | +0.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.18% | 18.51% | +0.67% |
PNAIX vs. POMIX - Expense Ratio Comparison
PNAIX has a 0.66% expense ratio, which is higher than POMIX's 0.19% expense ratio.
Dividends
PNAIX vs. POMIX - Dividend Comparison
PNAIX's dividend yield for the trailing twelve months is around 8.62%, more than POMIX's 1.93% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PNAIX T. Rowe Price All-Cap Opportunities Fund I Class | 8.62% | 8.53% | 9.37% | 5.23% | 3.31% | 20.62% | 15.56% | 7.43% | 12.75% | 0.29% | 0.00% | 0.00% |
POMIX T. Rowe Price Total Equity Market Index Fund | 1.93% | 2.13% | 1.76% | 1.46% | 1.49% | 1.53% | 1.55% | 1.91% | 2.89% | 0.20% | 2.41% | 2.08% |
Frequently Asked Questions
With a correlation of 0.94, PNAIX and POMIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
PNAIX has higher volatility (4.17%) compared to POMIX (3.38%). In terms of maximum drawdown, PNAIX dropped -30.49% vs POMIX's -55.54%.
POMIX currently has the higher Sharpe Ratio (1.50 vs 0.40), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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