COPLX vs. ACIIX
Compare and contrast key facts about Copley Fund (COPLX) and American Century Equity Income Fund Class I (ACIIX).
COPLX is managed by Copley. It was launched on Sep 1, 1978. ACIIX is managed by American Century. It was launched on Jul 8, 1998.
Performance
COPLX vs. ACIIX - Performance Comparison
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COPLX vs. ACIIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
COPLX Copley Fund | -6.58% | 16.24% | 18.18% | 17.33% | -15.21% | 18.39% | 1.09% | 25.59% | 15.65% | 9.49% |
ACIIX American Century Equity Income Fund Class I | 2.73% | 12.05% | 10.58% | 4.25% | -2.96% | 17.16% | 1.19% | 24.50% | -3.53% | 13.69% |
Returns By Period
In the year-to-date period, COPLX achieves a -6.58% return, which is significantly lower than ACIIX's 2.73% return. Over the past 10 years, COPLX has outperformed ACIIX with an annualized return of 9.91%, while ACIIX has yielded a comparatively lower 8.89% annualized return.
COPLX
- 1D
- 0.14%
- 1M
- -4.86%
- YTD
- -6.58%
- 6M
- -5.86%
- 1Y
- 11.30%
- 3Y*
- 13.44%
- 5Y*
- 7.40%
- 10Y*
- 9.91%
ACIIX
- 1D
- 0.00%
- 1M
- -5.73%
- YTD
- 2.73%
- 6M
- 4.62%
- 1Y
- 9.92%
- 3Y*
- 9.70%
- 5Y*
- 7.47%
- 10Y*
- 8.89%
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COPLX vs. ACIIX - Expense Ratio Comparison
COPLX has a 2.37% expense ratio, which is higher than ACIIX's 0.72% expense ratio.
Return for Risk
COPLX vs. ACIIX — Risk / Return Rank
COPLX
ACIIX
COPLX vs. ACIIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Copley Fund (COPLX) and American Century Equity Income Fund Class I (ACIIX). 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.
| COPLX | ACIIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.74 | 0.93 | -0.18 |
Sortino ratioReturn per unit of downside risk | 1.11 | 1.35 | -0.23 |
Omega ratioGain probability vs. loss probability | 1.18 | 1.19 | -0.01 |
Calmar ratioReturn relative to maximum drawdown | 0.83 | 1.11 | -0.28 |
Martin ratioReturn relative to average drawdown | 3.37 | 4.37 | -0.99 |
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
| COPLX | ACIIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.74 | 0.93 | -0.18 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.53 | 0.70 | -0.17 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.60 | 0.67 | -0.07 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.48 | 0.53 | -0.05 |
Correlation
The correlation between COPLX and ACIIX is 0.78, 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
COPLX vs. ACIIX - Dividend Comparison
COPLX has not paid dividends to shareholders, while ACIIX's dividend yield for the trailing twelve months is around 10.28%.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COPLX Copley Fund | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
ACIIX American Century Equity Income Fund Class I | 10.28% | 10.55% | 11.71% | 8.21% | 8.96% | 7.02% | 2.18% | 7.57% | 9.05% | 12.14% | 8.08% | 10.72% |
Drawdowns
COPLX vs. ACIIX - Drawdown Comparison
The maximum COPLX drawdown since its inception was -44.70%, which is greater than ACIIX's maximum drawdown of -39.16%. Use the drawdown chart below to compare losses from any high point for COPLX and ACIIX.
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Drawdown Indicators
| COPLX | ACIIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -44.70% | -39.16% | -5.54% |
Max Drawdown (1Y)Largest decline over 1 year | -11.84% | -8.96% | -2.88% |
Max Drawdown (5Y)Largest decline over 5 years | -20.23% | -13.49% | -6.74% |
Max Drawdown (10Y)Largest decline over 10 years | -36.61% | -32.76% | -3.85% |
Current DrawdownCurrent decline from peak | -7.75% | -5.73% | -2.02% |
Average DrawdownAverage peak-to-trough decline | -9.00% | -5.26% | -3.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.92% | 2.30% | +0.62% |
Volatility
COPLX vs. ACIIX - Volatility Comparison
Copley Fund (COPLX) has a higher volatility of 3.10% compared to American Century Equity Income Fund Class I (ACIIX) at 2.76%. This indicates that COPLX's price experiences larger fluctuations and is considered to be riskier than ACIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| COPLX | ACIIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.10% | 2.76% | +0.34% |
Volatility (6M)Calculated over the trailing 6-month period | 7.72% | 6.05% | +1.67% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.31% | 11.61% | +4.70% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.10% | 10.74% | +3.36% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.58% | 13.37% | +3.21% |