COPLX vs. NEIMX

Last updated Jun 4, 2026

COPLX (Copley Fund) and NEIMX (Neiman Large Cap Value Fund) are both Large Cap Value Equities funds. Over the past 10 years, COPLX returned 11.20%/yr vs 10.34%/yr for NEIMX. A 0.79 correlation means they provide meaningful diversification when combined. COPLX charges 2.37%/yr vs 1.46%/yr for NEIMX.

Performance

COPLX vs. NEIMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Copley Fund (COPLX) and Neiman Large Cap Value Fund (NEIMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COPLX achieves a 7.34% return, which is significantly lower than NEIMX's 17.29% return. Over the past 10 years, COPLX has outperformed NEIMX with an annualized return of 11.20%, while NEIMX has yielded a comparatively lower 10.34% annualized return.

COPLX

• 1D: -0.21%
• 1M: 6.42%
• YTD: 7.34%
• 6M: 8.77%
• 1Y: 22.05%
• 3Y*: 17.68%
• 5Y*: 9.47%
• 10Y*: 11.20%

NEIMX

• 1D: 1.26%
• 1M: 4.85%
• YTD: 17.29%
• 6M: 17.10%
• 1Y: 34.32%
• 3Y*: 19.56%
• 5Y*: 12.08%
• 10Y*: 10.34%

*Multi-year figures are annualized to reflect compound growth (CAGR)

COPLX vs. NEIMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COPLX Copley Fund	7.34%	16.24%	18.18%	17.33%	-15.21%	18.39%	1.09%	25.59%	15.65%	9.49%
NEIMX Neiman Large Cap Value Fund	17.29%	18.68%	13.50%	6.15%	-5.16%	23.85%	-5.97%	23.49%	-9.76%	19.00%

Correlation

The correlation between COPLX and NEIMX is 0.71, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.71
Correlation (3Y) Calculated over the trailing 3-year period	0.79
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.77
Correlation (All Time) Calculated using the full available price history since Apr 1, 2003	0.79

The correlation between COPLX and NEIMX shifts across timeframes, from 0.71 (1 year) to 0.84 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

COPLX vs. NEIMX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

COPLX

COPLX Risk / Return Rank: 53
COPLX Sharpe Ratio Rank: 55
COPLX Sortino Ratio Rank: 52
COPLX Omega Ratio Rank: 52
COPLX Calmar Ratio Rank: 57
COPLX Martin Ratio Rank: 48

NEIMX

NEIMX Risk / Return Rank: 94
NEIMX Sharpe Ratio Rank: 95
NEIMX Sortino Ratio Rank: 93
NEIMX Omega Ratio Rank: 89
NEIMX Calmar Ratio Rank: 96
NEIMX Martin Ratio Rank: 97

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

COPLX vs. NEIMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Copley Fund (COPLX) and Neiman Large Cap Value Fund (NEIMX). 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	NEIMX	Difference
Sharpe ratio Return per unit of total volatility	2.19	3.45	-1.26
Sortino ratio Return per unit of downside risk	3.04	4.78	-1.74
Omega ratio Gain probability vs. loss probability	1.39	1.63	-0.24
Calmar ratio Return relative to maximum drawdown	2.89	6.10	-3.21
Martin ratio Return relative to average drawdown	9.90	25.48	-15.58
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

COPLX vs. NEIMX - Sharpe Ratio Comparison

The current COPLX Sharpe Ratio is 2.19, which is lower than the NEIMX Sharpe Ratio of 3.45. The chart below compares the historical Sharpe Ratios of COPLX and NEIMX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	COPLX	NEIMX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.19	3.45	-1.26
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.68	0.02	+0.66
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.68	0.03	+0.65
Sharpe Ratio (All Time) Calculated using the full available price history	0.51	0.03	+0.48

Drawdowns

COPLX vs. NEIMX - Drawdown Comparison

The maximum COPLX drawdown since its inception was -44.70%, smaller than the maximum NEIMX drawdown of -92.94%. Use the drawdown chart below to compare losses from any high point for COPLX and NEIMX.

Drawdown Indicators

	COPLX	NEIMX	Difference
Max Drawdown Largest peak-to-trough decline	-44.70%	-92.94%	+48.24%
Max Drawdown (1Y) Largest decline over 1 year	-7.88%	-5.75%	-2.13%
Max Drawdown (3Y) Largest decline over 3 years	-18.21%	-92.94%	+74.73%
Max Drawdown (5Y) Largest decline over 5 years	-20.23%	-92.94%	+72.71%
Max Drawdown (10Y) Largest decline over 10 years	-36.61%	-92.94%	+56.33%
Current Drawdown Current decline from peak	-0.21%	-88.99%	+88.78%
Average Drawdown Average peak-to-trough decline	-8.96%	-10.51%	+1.55%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.29%	1.37%	+0.92%

Volatility

COPLX vs. NEIMX - Volatility Comparison

Copley Fund (COPLX) has a higher volatility of 3.08% compared to Neiman Large Cap Value Fund (NEIMX) at 2.72%. This indicates that COPLX's price experiences larger fluctuations and is considered to be riskier than NEIMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COPLX	NEIMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.08%	2.72%	+0.36%
Volatility (6M) Calculated over the trailing 6-month period	7.82%	7.81%	+0.01%
Volatility (1Y) Calculated over the trailing 1-year period	10.41%	10.18%	+0.23%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.04%	576.30%	-562.26%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.61%	407.70%	-391.09%

COPLX vs. NEIMX - Expense Ratio Comparison

COPLX has a 2.37% expense ratio, which is higher than NEIMX's 1.46% expense ratio.

Dividends

COPLX vs. NEIMX - Dividend Comparison

COPLX has not paid dividends to shareholders, while NEIMX's dividend yield for the trailing twelve months is around 0.65%.

Position	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%
NEIMX Neiman Large Cap Value Fund	0.65%	0.76%	1.10%	1.36%	3.60%	17.65%	1.20%	2.26%	1.20%	6.64%	10.20%	4.19%

Frequently Asked Questions

Can I hold both COPLX and NEIMX in my portfolio?

COPLX and NEIMX have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, COPLX or NEIMX?

COPLX has higher volatility (3.08%) compared to NEIMX (2.72%). In terms of maximum drawdown, COPLX dropped -44.70% vs NEIMX's -92.94%.

Which has better risk-adjusted returns?

NEIMX currently has the higher Sharpe Ratio (3.45 vs 2.19), 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.