PREFX vs. ADX
Compare and contrast key facts about T. Rowe Price Tax-Efficient Equity Fund (PREFX) and Adams Diversified Equity Fund, Inc. (ADX).
PREFX is managed by T. Rowe Price. It was launched on Dec 29, 2000. ADX is managed by Adams Funds. It was launched on Jan 2, 1990.
Performance
PREFX vs. ADX - Performance Comparison
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PREFX vs. ADX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PREFX T. Rowe Price Tax-Efficient Equity Fund | -12.80% | 16.30% | 32.37% | 36.98% | -30.52% | 22.19% | 35.32% | 36.59% | -0.46% | 28.80% |
ADX Adams Diversified Equity Fund, Inc. | -2.00% | 26.03% | 28.31% | 31.49% | -19.82% | 29.69% | 17.28% | 36.75% | -3.58% | 29.61% |
Returns By Period
In the year-to-date period, PREFX achieves a -12.80% return, which is significantly lower than ADX's -2.00% return. Over the past 10 years, PREFX has underperformed ADX with an annualized return of 14.55%, while ADX has yielded a comparatively higher 16.68% annualized return.
PREFX
- 1D
- -0.59%
- 1M
- -9.22%
- YTD
- -12.80%
- 6M
- -12.63%
- 1Y
- 11.00%
- 3Y*
- 17.95%
- 5Y*
- 9.15%
- 10Y*
- 14.55%
ADX
- 1D
- 2.33%
- 1M
- -3.70%
- YTD
- -2.00%
- 6M
- 3.99%
- 1Y
- 27.40%
- 3Y*
- 24.77%
- 5Y*
- 15.18%
- 10Y*
- 16.68%
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PREFX vs. ADX - Expense Ratio Comparison
PREFX has a 0.76% expense ratio, which is higher than ADX's 0.59% expense ratio.
Return for Risk
PREFX vs. ADX — Risk / Return Rank
PREFX
ADX
PREFX vs. ADX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Tax-Efficient Equity Fund (PREFX) and Adams Diversified Equity Fund, Inc. (ADX). 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.
| PREFX | ADX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.57 | 1.47 | -0.90 |
Sortino ratioReturn per unit of downside risk | 0.98 | 2.18 | -1.20 |
Omega ratioGain probability vs. loss probability | 1.14 | 1.31 | -0.17 |
Calmar ratioReturn relative to maximum drawdown | 0.69 | 2.56 | -1.87 |
Martin ratioReturn relative to average drawdown | 2.30 | 11.81 | -9.51 |
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
| PREFX | ADX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.57 | 1.47 | -0.90 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.43 | 0.89 | -0.46 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.69 | 0.93 | -0.24 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.44 | 0.09 | +0.34 |
Correlation
The correlation between PREFX and ADX 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
PREFX vs. ADX - Dividend Comparison
PREFX has not paid dividends to shareholders, while ADX's dividend yield for the trailing twelve months is around 8.26%.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PREFX T. Rowe Price Tax-Efficient Equity Fund | 0.00% | 0.00% | 0.85% | 0.61% | 0.88% | 2.09% | 1.98% | 0.94% | 1.36% | 2.82% | 0.22% | 0.55% |
ADX Adams Diversified Equity Fund, Inc. | 8.26% | 7.93% | 12.38% | 7.34% | 7.36% | 15.35% | 6.54% | 9.00% | 15.85% | 9.18% | 7.79% | 7.17% |
Drawdowns
PREFX vs. ADX - Drawdown Comparison
The maximum PREFX drawdown since its inception was -56.70%, smaller than the maximum ADX drawdown of -71.60%. Use the drawdown chart below to compare losses from any high point for PREFX and ADX.
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Drawdown Indicators
| PREFX | ADX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -56.70% | -71.60% | +14.90% |
Max Drawdown (1Y)Largest decline over 1 year | -16.18% | -11.12% | -5.06% |
Max Drawdown (5Y)Largest decline over 5 years | -35.95% | -25.07% | -10.88% |
Max Drawdown (10Y)Largest decline over 10 years | -35.95% | -37.17% | +1.22% |
Current DrawdownCurrent decline from peak | -16.18% | -4.36% | -11.82% |
Average DrawdownAverage peak-to-trough decline | -10.31% | -23.22% | +12.91% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.88% | 2.41% | +2.47% |
Volatility
PREFX vs. ADX - Volatility Comparison
The current volatility for T. Rowe Price Tax-Efficient Equity Fund (PREFX) is 5.44%, while Adams Diversified Equity Fund, Inc. (ADX) has a volatility of 6.64%. This indicates that PREFX experiences smaller price fluctuations and is considered to be less risky than ADX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PREFX | ADX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.44% | 6.64% | -1.20% |
Volatility (6M)Calculated over the trailing 6-month period | 11.78% | 10.77% | +1.01% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.00% | 18.76% | +3.24% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.63% | 17.23% | +4.40% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.18% | 17.96% | +3.22% |