ADX vs. CET

Last updated Apr 2, 2026

Compare and contrast key facts about Adams Diversified Equity Fund, Inc. (ADX) and Central Securities Corp. (CET).

ADX is managed by Adams Funds. It was launched on Jan 2, 1990.

Performance

ADX vs. CET - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Adams Diversified Equity Fund, Inc. (ADX) and Central Securities Corp. (CET). The values are adjusted to include any dividend payments, if applicable.

ADX vs. CET - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
CET Central Securities Corp.	-1.58%	17.20%	26.82%	19.17%	-19.68%	49.00%	4.99%	38.61%	-4.49%	30.61%

Returns By Period

In the year-to-date period, ADX achieves a -2.00% return, which is significantly lower than CET's -1.58% return. Both investments have delivered pretty close results over the past 10 years, with ADX having a 16.68% annualized return and CET not far behind at 16.25%.

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%

CET

• 1D: 0.50%
• 1M: -5.56%
• YTD: -1.58%
• 6M: 2.24%
• 1Y: 16.81%
• 3Y*: 18.73%
• 5Y*: 12.27%
• 10Y*: 16.25%

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

Return for Risk

ADX vs. CET — Risk / Return Rank

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

ADX

ADX Risk / Return Rank: 85
ADX Sharpe Ratio Rank: 79
ADX Sortino Ratio Rank: 83
ADX Omega Ratio Rank: 78
ADX Calmar Ratio Rank: 90
ADX Martin Ratio Rank: 93

CET

CET Risk / Return Rank: 75
CET Sharpe Ratio Rank: 77
CET Sortino Ratio Rank: 70
CET Omega Ratio Rank: 73
CET Calmar Ratio Rank: 74
CET Martin Ratio Rank: 84

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.

ADX vs. CET - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Adams Diversified Equity Fund, Inc. (ADX) and Central Securities Corp. (CET). 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.

	ADX	CET	Difference
Sharpe ratio Return per unit of total volatility	1.47	1.13	+0.34
Sortino ratio Return per unit of downside risk	2.18	1.64	+0.54
Omega ratio Gain probability vs. loss probability	1.31	1.24	+0.07
Calmar ratio Return relative to maximum drawdown	2.56	1.77	+0.79
Martin ratio Return relative to average drawdown	11.81	7.35	+4.46
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ADX vs. CET - Sharpe Ratio Comparison

The current ADX Sharpe Ratio is 1.47, which is higher than the CET Sharpe Ratio of 1.13. The chart below compares the historical Sharpe Ratios of ADX and CET, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ADX	CET	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.47	1.13	+0.34
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.89	0.85	+0.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.93	0.98	-0.05
Sharpe Ratio (All Time) Calculated using the full available price history	0.09	0.59	-0.50

Correlation

The correlation between ADX and CET is 0.56, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

ADX vs. CET - Dividend Comparison

ADX's dividend yield for the trailing twelve months is around 8.26%, more than CET's 5.41% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
CET Central Securities Corp.	5.41%	5.32%	4.92%	4.90%	7.34%	8.41%	5.68%	3.78%	5.84%	3.65%	4.50%	10.41%

Drawdowns

ADX vs. CET - Drawdown Comparison

The maximum ADX drawdown since its inception was -71.60%, which is greater than CET's maximum drawdown of -56.69%. Use the drawdown chart below to compare losses from any high point for ADX and CET.

Drawdown Indicators

	ADX	CET	Difference
Max Drawdown Largest peak-to-trough decline	-71.60%	-56.69%	-14.91%
Max Drawdown (1Y) Largest decline over 1 year	-11.12%	-9.57%	-1.55%
Max Drawdown (5Y) Largest decline over 5 years	-25.07%	-24.89%	-0.18%
Max Drawdown (10Y) Largest decline over 10 years	-37.17%	-39.91%	+2.74%
Current Drawdown Current decline from peak	-4.36%	-5.56%	+1.20%
Average Drawdown Average peak-to-trough decline	-23.22%	-10.21%	-13.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.41%	2.34%	+0.07%

Volatility

ADX vs. CET - Volatility Comparison

Adams Diversified Equity Fund, Inc. (ADX) has a higher volatility of 6.64% compared to Central Securities Corp. (CET) at 4.66%. This indicates that ADX's price experiences larger fluctuations and is considered to be riskier than CET based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ADX	CET	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.64%	4.66%	+1.98%
Volatility (6M) Calculated over the trailing 6-month period	10.77%	8.78%	+1.99%
Volatility (1Y) Calculated over the trailing 1-year period	18.76%	14.95%	+3.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.23%	14.50%	+2.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.96%	16.61%	+1.35%